Astigmatism Explained

What is Astigmatism? How does corneal astigmatism affect vision? Can you get LASIK with astigmatism? 🔴SUBSCRIBE🔴 / doctoreyehealth
In this video I cover:
- the basic cause of astigmatism
- how astigmatism is calculated
- how astigmatism can be corrected
- how to read the astigmatism correction on a glasses prescription
- what vision looks like when you have astigmatism
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Quick Facts about astigmatism
===============================================================
Astigmatism can cause blurred vision at ALL distances (near, intermediate and far).
Astigmatism is not considered a disease except in extreme cases.
It is normal for astigmatism to change as we age.
At high powers, a small change in astigmatism correction can make a huge difference to visual performance.
LASIK can correct up to 5-6 Diopters of astigmatism
✅ Recommended playlists:
Learn more about contacts for Astigmatism:
• Best Contact Lenses fo...
Considering LASIK? Check out my playlist!
• PRK vs LASIK Eye Surge...
How to Put in Contact Lenses - Contacts for Beginners
• Contact Lenses for Beg...
Dry Eyes and Dry Eye Treatment: • Dry Eyes Natural Remed...
💡 Videos for frequently asked questions:
How to Clean Your Glasses: • How to Clean Eyeglasse...
My PRO Tips to relieve Eye Strain! • 5 Tips and Eye Exercis...
===============================================================
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Website: www.doctoreyehealth.com
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1239 2nd St N # 741, Sauk Rapids, MN 56379
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For Collaborations please email me: [e-mail]
--------Cameras and Gear Used To Shoot This Video ------
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Attribution
Eye Anatomy photo-National Eye Institute
DISCLAIMER: All content in this video and description including: infor­ma­tion, opinions, con­tent, ref­er­ences and links is for infor­ma­tional pur­poses only. The Author does not pro­vide any med­ical advice on the site. Noth­ing con­tained in this video or it’s description is intended to estab­lish a physician-patient rela­tion­ship, to replace the ser­vices of a trained physi­cian or health care pro­fes­sional, or oth­er­wise to be a sub­sti­tute for pro­fes­sional med­ical advice, diag­no­sis, or treatment. You should con­sult a licensed physi­cian or appropriately-credentialed health care worker in your com­mu­nity in all mat­ters relat­ing to your health. Also, some of the links in this post may be affiliate links, meaning, at no cost to you, I will earn a small commission if you click through and make a purchase. All non-licensed clips used for fair use commentary, criticism, and educational purposes.
About This Video:
In this video Joseph J. Allen, O.D discusses corneal astigmatism and its effect on vision. If you are researching how astigmatism can affect the eyes, check out this video. The subject of astigmatism can be very complex and many people don’t understand how it affects the eyes, vision, and glasses prescriptions. In this video, you’ll learn about how astigmatism is measured, corrected, and what vision may look like through uncorrected astigmatism.
#Doctoreyehealth #Astigmatism #eyehealth

[@funforsameer1769]

22 years later, I've found out that it's not normal to see lines or lights looking like stars at night

[@TWSBofficial]

😂

[@r.i.t.randominterestingthi4031]

😂

[@ramzay876]

It's not?

[@vishal-yl8bv]

what causes this nd treatment for this?

[@r.i.t.randominterestingthi4031]

@@vishal-yl8bvrubbing eyes, toomuch pressure, watch tv and phone without proper lightning, to stupidly pressing your own eyes aka traumatic injuries. So aprreciate it while you still have it

[@rjg3876]

A lot of useful information that most doctors don't have the time to tell You.

[@DoctorEyeHealth]

Happy to hear your found the video helpful!

[@alisabah4658]

777777877777777787077887777777787

[@tigertechelectronics7400]

My doctor didn't say anything to me at all just the normal routine didn't check for nothing.

[@kateajurors8640]

Even if they have the time I don't have the money to pay them for that time LOL especially with how expensive it already is

[@birtecarlsen7963]

@@alisabah4658l

[@Vale-nh6ey]

At 21 I’ve just been diagnosed with 0,75 astigmatism lol, and now I have to wear glasses. I thought I saw fine, and it wasn’t severe enough to be noticed, but now that i have glasses it’s crazy! I see so much better now!

[@dios.9586]

I have the same situation. I think I’m going to get laser eye surgery.

[@Vale-nh6ey]

@@dios.9586 i imagine yours is worse than mine? Because I can see enough to get by without glasses, but it does make a difference when reading

[@dios.9586]

@@Vale-nh6ey I have bad eye sight for more reasons than just astigmatism, I also have pretty bad eye sight in general. For things like driving I cant’t do it without glasses/contacts. So yeah, mine are probably a little worse than yours. I wouldn’t wish eye problems on anybody, it’s awful.

[@Vale-nh6ey]

@@dios.9586 me acabo de dar cuenta que tu usuario es dios jajajaj, pero claro, en ese caso entiendo, yo los tendría que usar más seguido de lo que los uso pero muchas veces no tengo ganas de ir a buscarlos, y si me acerco a la pantalla puedo leer más o menos bien, después me duele la cabeza, pero bueno jajaja

[@makeupbyalexisfuentes]

Same here

[@djscotthenry]

Two words… YOU ROCK! After being a patient of one of the top cornea specialists in the world at Johns Hopkins, you have done a better job of explaining astigmatism to me in 10 minutes, than she has been able to in 12 years. You have a bright future ahead of you. Never lose that enthusiastic spirit nor allow the rigors of medicine to make you become jaded. Thank you!

[@benjaminperez5303]

Because when you here someone says here in the US that one doctor is one of the top of the world, that is not always true there are many better doctors out there and some other countries too

[@djscotthenry]

@@benjaminperez5303 with all due respect, I wrote that she is ONE of the top cornea specialists the world. You write, “Because when you [here] in the US someone [says] here in the US…” I did not state that in my comment. I agree that there are amazing ophthalmologists located all over the world. I’m not going to list my doctor’s credentials, education, research, peer-reviewed papers, or academic teaching. However, you can probably use Google to get that info. There’s a good chance that she has lectured in your country.

[@danielandlukeplaygames8329]

that was a little more than 2 words

[@chavale2]

As long as he mentions Lasik surgeries he still has no brains dude BJ

[@itsmidtrib1569]

Driving at night is the worst when you have astigmatism 😅

[@FukaiKokoro]

Faith agreed, everythig turns into a blurry mess without glasses.

[@itsmidtrib1569]

Fukai Kokoro yes but for me even with glasses or contacts, driving at night is the worst because all the car lights from the oncoming traffic just ✨🌟✨🤩✨🌟

[@pamelaneibuhr6959]

Faith ...yep me too. My dad was a eye doc. No help there lol

[@romannamor2276]

Oof

[@pixiedarvill3940]

I've been struggling so bad with driving in the dark and today found out I have astigmatism!

[@annanexton4682]

I always thought they were saying “you have a stigmatism.” Not “You have astigmatism.” Lolol 😂

[@pariswilson670]

Anna Nexton yup me too I got kinda offended cause she said my eyes were football shaped because I have astigmatism so I looked it up.

[@leahraealexis1]

Same

[@tyler-jj7ys]

Same

[@m.m7732]

Anna Nexton same

[@m.m7732]

Paris Wilson lmfao

[@MrForensics74]

This was the best explanation I've ever encountered on what an Astigmatism is and how it impacts people who have them. I have it in both eyes, one is worse than the other and while it sucks, I can deal with anything in life as long as I can understand it fully in order to adapt properly. Great video!

[@FrancescoQuibranza]

I'm an optometry student currently learning mid-pandemic/online, your videos help so much in keeping me inspired and keeping me well informed! Love all your videos!

[@Stargirlbeck]

i’m nearly 23 years old. had my first eye test today ever, i’ve been noticing i have to strain a lot more than ever lately. turns out i’ve had astigmatism for nearly 23 years and never knew😂😂 he put those lenses on me today and it was a whole new world i felt like lol

[@aznfriedrice415]

Same, happened to me 1.5 years ago.

[@gamingotaku1703]

More like world just started appearing in High definition

[@christiannwodo2151]

I think astigmatism in a way causes reading disorder - not in the sense that you can’t see what you read, but even when you eventually see, you don’t understand. When I got my glasses, I felt like I had a boost of my IQ

[@shadowthrunight5911]

@@christiannwodo2151 this actually true. Not correcting your eyesight is associated with a lowering of your IQ. As soon as you fix it, your IQ becomes higher. But thats obvious, you cant be at full potential if you dont see well. The brain is too stressed and needs more power to guide the eyes and you cannot see everything properly.

[@Zyrock]

You must’ve had very low or subtle astigmatism, I also noticed it later in life. I was surprised how not good my vision was lol

[@ricksmith561]

lol I think it's kinda ironic how he is an eye doctor and he has literally the most aesthetic, beautiful eyes I have ever seen XD. It's like he had plastic eye surgery

[@DoctorEyeHealth]

Well I did have jaw surgery in high school for a bad underbite. That's technically cosmetic surgery

[@wernerdanler2742]

@@DoctorEyeHealth they did a good job. Perfect jaw!

[@eddakulle7301]

I swear his eye color changes throughout the video

[@welderella]

Doctor Eye Health I thought your jaw looked rather sculptured. It looks nice on you.

[@bobshaw4063]

@@DoctorEyeHealth Was the jaw surgery you had in high school for a bad under bite called Orthognathic Jaw surgery ? If so do you still have any numbness & before the surgery did have to go to an Orthodontist to have braces put on your teeth? Were both jaws cut off & realigned & your jaw was wired shut for awhile & plates & screws were put on your jaws ?

[@andrewns9141]

I love this doctor - knowledgeable and informative without being condescending. Friendly and professional - Thanks Joseph, keep up the splendid work. I'm learning something everytime I watch your channel. Love the evidence-based research facts.

[@Asimo-lh6zu]

I can see computer screen crisply without glasses but farther away I see double edges of objects. what type of astimatism is this

[@simobonev4511]

Thank you very much for creating this video. I have had astigmatism my whole life and wanted to understand what it is and how it works for so long. You explained the phenomenon and the prescriptions so well. Your content is so valuable.

[@--Paws--]

8:55 If eye tests were in equivalent to pixel density, 4k being 20/20, I have 240p

[@DoctorEyeHealth]

👍Nice!

[@firefightingtexan5860]

Without contacts I have 144p or lower lol.

[@pokemaster1234567899]

@@DoctorEyeHealth that's not nice, tf? lmao.

[@piia1917]

Mr. Doctor seems to not understand what pixel density is ;w;

[@phoenixwillington7329]

_Paws_ 4K would be better than 2020

[@444lilou5]

This man's face stripped off my astigmatism

[@DoctorEyeHealth]

👍😃

[@pawsnotclaws2772]

Ser Darby Coombs lol

[@weenmaster8000]

He cute asf ngl-

[@talvr1924]

😂

[@ryusuga_3684]

lmao

[@laceyl.3823]

This was so helpful! I just called an optical center at Costco and they honestly made me feel really dumb when they asked for my prescription and types of lenses, etc. bc I didn't know how to read it. I've never gotten any of this explained to me before. Thank you!

[@brandonlovelady8659]

I was Dx'd with an astigmatism today and prescribed my first pair of glasses, age 20. Watching this helped me understand the Rx page I was given. Thanks Doc!

[@desiraec4330]

My astigmatism effects my eyes light refraction abilities really bad I have fairy lights on my bedroom ceiling and if I’m not wearing my glasses each bulb looks like a star burst // firework of like 20 different light sources sooo that’s fun 😂

[@kokohjohn]

lol same here look like a star

[@shielamaesiglos6830]

Samee halos all around and large starburst everg where and my eye sight looks like 200p

[@FukaiKokoro]

I can’t drive without my glasses at night because this effect. It’s almost like I’ve had too much to drink.. even though I’m dead sober.

[@saraperrigo6946]

Each bulb looks like a lighted Christmas Tree to me!

[@inhawaii4941]

Damn. The dr says i have it but lights don't do that to me

[@PaintmanJohn]

His shirt is PART OF THE EYE TEST !!! Seriously. This is the most descriptive and easily understood explanation I have ever seen.

[@jeffreymatthes6921]

I really appreciate the way you explain things relatively simply for the masses. I’ve had Keratoconus since high school, managed the disease to the best of my ability for over 30 years, and now understand the astigmatism angle. Your channel has been very helpful with my eye challenges. Thank you.

[@DoctorEyeHealth]

Thanks so much Jeffrey! Glad you found the channel. I appreciate the comment.

[@cranbers]

One word of advice on someone who got Lasik, wait until your older not early / mid 20's. I had lasik at 21, had 20/2100 vision or -6 in prescription strength, and by 25 I was wearing glasses again with -.50, then .75 then 1.0 and now 1.25 by 35. While I still have 20/60 vision without correction, saving the thousands on lasik and waited another 5 - 10 years would of been good. And my eyes were bad enough they had to take some much material away from my eye, they can't do lasik again to do a "top up" to fix it again. So one thing to keep in mind.

[@bsboy773]

TIL astigmatism is one word, not like "I have a stigmatism."

[@DoctorEyeHealth]

😂🤣💯

[@noahmarlee6871]

bsboy773 me too LMAO

[@lovingatlanta]

bsboy773 - 😆😂🤣👍

[@chrisd9248]

This was incredibly helpful. When I had my eye exam, they didn't explain any of this to me. They just said I had some mild astigmatism. Thank you!

[@sidhartha4397]

this doctor is a brilliant teacher. this is one of the best health-related videos i have ever seen.

[@pappanalab]

I was four when I found out that needed glasses and I distinctly remember the terror I felt. My two younger siblings also ended up needing glasses but they were super excited to get new glasses. Fast-forward to the present and, ironically enough, I wear my glasses all the time and they avoid their's like the plague.

[@Genuinely_Vague]

Thank you so much for making this video. I’m 27, I’ve had glasses since I was 14 and had no clue about almost any of this. They process you through, but never really inform you or teach you anything.

[@DoctorEyeHealth]

Glad I could help!

[@sidvicious9744]

They do that in med school.

[@internaldoom10]

You explained it so perfectly and in much simpler terms! I am 100% grateful for this video 🙏🙏🙏

[@benjamindkadoch8993]

We just can’t have enough of you, Doc. The best channel with all mertits.

[@chavale2]

He talked about Laser eye surgeries Suicidals or people...No F good; STOP LASER EYES surgeries topics...then you are Hero DR

[@MicheleLeeMD]

I LOVE this explanation. I have the hardest time explaining astigmatism to patients. I try using the football and basketball analogy but it doesn't really click sometimes. Thanks for this video!!!

[@SuperManning11]

I have never really understood this before. Your explanation, along with the visuals, made perfect sense. Thank you! I'm sure I bug the crap out of my optometrist with all the questions I ask, so I'd better subscribe to your channel to try to learn some stuff on my own! :) Thanks for posting great material. It is appreciated!

[@DoctorEyeHealth]

Hey Stephen thanks for the great feedback! Always happy to try and answer any questions you may have. -Joe

[@aboclab6524]

@@DoctorEyeHealth so, i only see the lines when i squirt my eyes, IS that good?

[@Scribblescrabbly]

Thank you! I just had an eye exam and was curious as to what the numbers meant. This presentation was masterful and fun to watch.

[@DoctorEyeHealth]

Yeah what numbers? Your glasses prescription?

[@tanyamelnichuk2652]

This is so helpful

[@emill2119]

As someone studying ophthalmology, I am so grateful for your uploads!

[@jacquelinemugerwa5951]

I recently had my first eye appointment and apparently I have astigmatism. My whole life I thought my vision was normal, but now that I have glasses, there is a big difference.

[@DoctorEyeHealth]

Hopefully for the better?

[@jacquelinemugerwa5951]

@@DoctorEyeHealth yess!!

[@ohnvl]

My eye doctor told me that I have an astigmatism and I didnt understand what that meant till now😅 Thank you so much for explaining all the different types of them and what the causes are. I'm very glad that I found this channel

[@premsinghsharma5774]

Sir this chanel is very good for everyone ....

[@iPlayOnSpica]

I know the comment is old, but doctors are people, too. They like conversations as much as we patients do. If you don't know what they're saying, chances are, they're willing to answer questions, especially if you sound interested in the topic (which is about your own health, so I hope you are).

[@DarkAurora90]

Thank you for this video. My 2 year old, almost 3, has glasses. She’s been wearing them for a year now. She was diagnosed with astigmatism last year and I never really understood what she saw. I knew she would tilt her head to the sides or to the back or forward. I also knew she kept bumping into things. This makes so much sense!

[@IamGroot786]

Yours is one of the better channels I've come across on KZbin!!!

[@Jacob_._Roberts]

Your illustrations and simulations make your explanations crystal clear. 🏆

[@ruben980]

I’m studying for my ABO and this definitely helps understand how astigmatism works and corrects vision. Thanks a lot! 😁

[@DoctorEyeHealth]

Happy to help! Best of luck studying for the ABO1

[@jenniedraws406]

I work at an ophthalmologist office and the majority of our patients have a positive cylinder. So I was very surprised to hear that the negative is more common than the positive. You learn something new everyday.

[@burnedstriker1366]

Wow, this was so easy to understand. Very informative and precise. I understood much better than reading or trying to understand it by myself. Thank you for the amazing video.

[@karimglover4217]

"Doctor Eye Health" Your channel is the first channel that I have ever subscribed to! I have watched a few of your video and recommended them to others, I have been working in the optical industry for 20+ years and I'm often tasked with educating new associates to the industry. I find you explanations simple & sweet but very accurate. Thanks (I will definitely refer people to your channel in the future)

[@DoctorEyeHealth]

Wow that means so so much! Thank you for all the support! Maybe we will run into each other at a trade show some day!

[@ravensrolltop]

Thank you so much for putting out this video. My child has an astigmatism, but cannot verbalize what is happening to her vision. Thanks to you, I now know. Keep up the great work.

[@DoctorEyeHealth]

SO happy to help! Thank you for the great feedback!

[@RozalindaUhlWeb]

finally someone explained astigmatism in a way i can understand too! thank you!

[@KeepLearing]

I've been in the eye industry for so long - though I am not an optometrist - so I know a lot about eyes and if anyone wish to understand the stigma then I'd say this is the best video for understanding how astigmatism work. 10/10 - hit the nail on the head

[@elliemarshall766]

I have astigmatism and you did a great job explaining it! Well done!

[@brandytoupard1682]

You did a great job on this video. Thanks!

[@emmicah7720]

So funny story: I saw one of your old vids (the Halloween one for contacts) a few months back when I was almost done finishing school for medical assisting. I found what you talked about really interesting. Flash forward to now and I've graduated school and now work for an Ophthalmologist and am working on getting certified as an Ophthalmic Assistant! Thank you so much for inspiring that in me with your videos!!!

[@DoctorEyeHealth]

This makes me so happy! Good for you!

[@emmicah7720]

@@DoctorEyeHealth thank you sir! I find it truly fascinating!! The eyes are so much more amazing than we give them credit for

[@ronr6951]

Great info. I've been wearing glasses since kindergarten, 23 years and I just learned all of this for the first time thanks!

[@chaplainand1]

Best explanation I have heard. Thank you. I guess the folks I've been seeing did not go to the same school you did. Blessings to you and yours.

[@loralove182]

watching this w my mam and I said aw look my eye is curved and 'not perfect' and she said 'youre perfect in my eye' little legend

[@jackhammer1021]

20th like

[@lordplatinum2846]

Your shirt is already an astigmatism test ;-) I am still trying to correct myopia and astigmatism, they can't figure out my correct grades

[@DoctorEyeHealth]

💖💖🤣💯

[@MrPAULONEAL]

Have you been to Lenscrafters?

[@MadMax-us9ih]

I have that exact same thing too! I got my eye sight checked and I had really bad myopia and astigmatism and my eye doctor said I would see much clearer with my contacts but because my eyesight is so bad, some letters were still gona be blurry just not as much as if I didn't have contacts or glasses that's only for one eye though so I only use one contact

[@melonmd7056]

Mad Max what’s your eye grade?

[@hutchyyy6444]

Thank you for those examples of vision with astigmatism, they were very accurate and I can finally show my boyfriend what I see without glasses

[@chs_christa]

I just got an eye test yesterday and im curious about it. This really helped me, thanks!

[@ruthiek5340]

Thank you SO much for making this video. I just came across it today and you do an amazing job at explaining things in clear layman's terms so anyone can understand. I learned so much from you! Thank you again!!!

[@DoctorEyeHealth]

Thank you! Happy to help. Glad you found the channel! Please let me know if there's ever a topic you would like me to cover!

[@ruthiek5340]

@@DoctorEyeHealth there is actually a topic I'm interested in hearing about. I haven't looked back to see if you've covered it or not, but it's wet macular degeneration. My mother is 80 and suffers from it and is rapidly losing her sight :( It would be nice to hear your take on it so that maybe I can explain to my mom easier to help her cope. She is having a hard time accepting that she's losing her sight. It's really hard to watch her go through it. I do what I can to help her, but she just gets incredibly frustrated sometimes.

[@jamesgormley9440]

Thank you so much, this really helped me get to grips with astigmatism. I am a first year optometry student from Ireland :-)

[@sanjayfernando6587]

My 5 yr old was diagnosed with it and I was freaking out. Thank you for your explanation and visuals to help me understand what it is and what he actually sees.

[@madisonwillis9591]

I was diagnosed at 7, best of luck to him and hope that it doesn't get much worse for him than it is now. 👌🏻

[@janec.kowalczyk5824]

I'm so glad I found you Doctor Allen! Thank you for these videos!

[@jillbean1969]

You do a great job at explaining everything and your videos are quality. You're organized, get right to the point, and speak well at a good speed. A++👍

[@michaeljohn8165]

Agree like the Superman of Communication

[@RemyRAD]

This was extremely helpful. Thank you. I have had my vision problems, since my adolescent years. Noticed at 15 years of age. Partially detached retinas. I personally hadn't noticed any differences. I was accused of looking into the sun. Nope. I knew better. I never realized just how incredible my eyesight actually was. I wasn't just 2020. I had, Superman vision. But then I did start to lose my eyesight. I started losing centralized acuity and brightness overall. I was diagnosed with, multiple sclerosis. And my Outlook was dim. I was now virtually blind. One morning I awoke. Things were not right. I thought I had a stroke in my sleep. They got me to the emergency ward. MRI revealed, not a stroke. A bad case of hydrocephalus. I wasn't supposed to be talking or feeding myself, or nothing. Generally nothing. And required emergency brain surgery. When I awoke, in the dimly lit, recovery room. It was as bright as the sun at the beach. Oh my God. My vision has returned. After my brain surgery. When I was able to look into the mirror. I was horrified. I had these little pig eyes. What happened to my eyes? I was told my eyeballs settled back into their sockets. Since the pressure was relieved from my hydrocephalus. And I asked, so I don't have multiple sclerosis? They said they still believed I have multiple sclerosis. But now in remission. But the brain surgery doesn't fix that. I'm the luckiest person in the world. My last vision test at, 64 years of age, indicated I was, 20/30. But on the big LCD displays. At home. At the bar. I'm still able to read the small type. From across the room. My friends can't. And I complain about my vision not being as good as it once was. Now I know why the ophthalmologist, looked at me cross eyed. When I said, I was having trouble focusing, on the street name sign. From one block away. He told me to get out. RemyRAD

[@HellNoMoreBiden]

I appreciate that story of yours and hope your still clear of ms.

[@zeake13]

Great video. I learned a lot about my eyes. I’ve only had glasses a couple months. Turns out I’ve needed them for several years.

[@karenconnor6682]

I have quite high astigmatism and I work in a Optician’s - found this video fun and informative 👍🏻

[@electronicsNmore]

You're a natural on camera. :-) My right eye pretty good vision(astigmatism not too bad), left is worse and I get blurry slightly doubled vision. Glasses make it all better, but I want to ditch the glasses. Left eye has one tiny annoying floater. Love to get rid of that, hoping it can be done with a laser, I don't want my vitreous fluid removed for one small floater. Thanks for the video!

[@australium7374]

@@Mwoohmi well the only way for them to effectively get rid of all of it is to remove the vitreous liquid from your eye. vitrectomy

[@notanubhav7933]

I have the same condition and I stopped wearing glasses but then after a couple of months my weak eye started getting lazy and I found out that I'd get a lazy eye. Glasses fixed that pretty well and now I wear them regularly.

[@rickyticky8714]

You are the cutest eye doc! I have a question. I had a stye and It went. Away for the most part for almost a year. Now it's flared up again but it doesn't bother be other then there being a lump. I don't have time to hot rinse it multiple times a day. What should I do?

[@ella2151]

Same with me

[@didyouknow5648]

My double vision becomes more visible if i open my eyes as wide as i can

[@jlbeeen]

That's what the D means on my contacts package! Before I got glasses, I had no idea that a straight line existed, and my first day back at school, I was looking at a math worksheet, and just admiring how beautiful the printer made the lines look! I always thought the printer was just bad and would make smudges or uneven lines, but it was my eyes. I can definitely see what I have now, and that also explains why contacts have to be weighted. It takes me about 10 minutes to get used to them and get them right side up, but hopefully that improves with practice. I always use glasses for computer use because I have a coating on them that helps a lot, and one eye is too weak to get a contact, but I like the options.

[@NeferLioness]

I love the info on how to read my prescription! Now I understand what is going on with my vision.

[@SirenASMR_]

Thank you ! You explained this so well. I need a new Eye Dr . He could not explain anything to me today . So much I had to walk out and find a new dr.

[@haneen9445]

This video is so helpful for me as a medical student studying refractive errors and as an astigmatism patient ❤️ THANK YOU

[@sunil1dahiya]

Thanks Dr. Very informative and easy to understand.

[@karlmbomeyo8589]

I was diagnosed with astigmatism, more so in my left eye. I was prescribed glasses with bifocal lines at the bottom. I find the bifocal lines helpful when I’m looking at my phone and reading smaller print. As for the top part of the glasses, it varies. There is a slight difference. But I feel like I can see better without the glasses.

[@myglassesguy]

thank you for the detailed description of astigmatism! excellent resource 🙌

[@gwendolyntorres978]

Thanks for the information. Unfortunately my eye dr never thought to be this thorough.

[@DoctorEyeHealth]

👍😁

[@Kurazaybo]

First time I hear aabout astigmatism rotating as we age. Thank you!

[@DoctorEyeHealth]

Yeah that is an interesting phenomenon. A couple of different theories to why. Surprisingly I have always had against the rule astigmatism.

[@reubennamo]

Woah, this video was so informative and explained everything so well. Great work!

[@melodyrodriguez3155]

This is the best lesson I've ever had!!

[@lg8019]

Wow, you really explain the material in such a way that is easy to understand and very interesting to listen to!! So I thank you for the great astigmatism lesson!! 😀👀👁

[@dmandman9]

Some people with astigmatism may have good vision when simply reading an eye chart, but could still benefit greatly from corrective lenses . I think the symptoms vary depending on how severe our astigmatism is. My sister failed her vision test for her drivers license and had chronic headaches. Once she got glasses to fix her vision, her headaches disappeared (unless she wasn’t wearing her glasses). In my case, I was always able to pass my vision test. But my eyes got “tired” easily especially when driving at night. I attributed it to needing more sleep. As I noted in another comment, it wasn’t until I needed reading glasses that I found out about my astigmatism. The optometrist asked me if I squinted a lot. I told her I think I did, especially at night when driving. After I got my glasses, in retrospect I realized that I squinted some even during the day because it helped me focus better . Now my eyes are open wider when I’m wearing glasses. So if a person has unexplained headaches, eye strain after driving only a short time, or finds themselves squinting a lot. They may want to get their eyes checked even if they have “good” vision when reading an eye chart.

[@JonatasAdoM]

People don't believe I have poor eyesight because ironically I can see and perceive things really well. I did notice my eyes do not seem to be wide open and I thought maybe my eyelids were tired or something. It just sucks that my Rxs do not seem to stop worsening. It was just annoying but now it is affecting me directly.

[@dmandman9]

@@JonatasAdoM I remember the optometrist saying that I probably had astigmatism most of my life but when I was young I could compensate without noticing. But as I got older I was unable to compensate as well. My eyes gradually got worse as well because when I first got glasses I could still read without them and could still easily pass my driver's license test. But over time it became almost impossible to read without glasses. But that's to be expected even with normal vision. But the last time I got my driver's license renewed in 2020, I had to put on my glasses in order to read the line. A little over a year ago, I lost my glasses and had to use my glasses from I believe my second prescription. They will useless for reading, and nearly useless for driving, especially at night. But the last two prescriptions were Not very different from each other, so I guess that age 58 the changes have slowed down. I hope so anyway. 😅

[@naidaellaga8251]

Me too, my head aches everyday which made me think I have a serious illness in the brain. The ophthalmologist says my astigmatism is high

[@resheeljanayan3749]

@@dmandman9 Y all I'm curious do I have astigmatism? But my vision is clear but I see glare and halo lights at night and I am squinting a lot this days but my vision is clear .. I don't know guys pls help😭

[@dmandman9]

@@resheeljanayan3749 of course I can’t say for certain. But when i was first diagnosed, I still fairly good daytime vision . And I didn’t know that things were somewhat blurry until I got my first set of glasses. I only thought I needed reading glasses. But the person who examined my eyes told me that I probably had astigmatism for most of my life. But when I was younger i could compensate and not really notice.

[@cugang007]

Good explanation doc. I have astigmatism on both eyes. Been wearing glasses for 9 yrs now.

[@okay7061]

Thanks! I recently figured out i had it from a eye scan from school i had trouble knowing how to deal with this so this was very helpful thank you!

[@miaridavis]

I wish I could find a doctor like your where I live. I’ve been told once I don’t have it but I can’t drive at night because the light bothers me so bad it’s blinding. Even during the day time if the sun light is too damn bright it’s blinding. So I know I have always been right. Contacts never really worked for me but now I know I was wearing the wrong kind.

[@kianamason651]

If this guy was my eye doctor , I would be excited not scared he’s hella smart and nice

[@joyatakung1232]

Thank you so much for the explanation it really helped me cuz I've had astigmatism for four years now and none has explained it this much 🙏

[@DoctorEyeHealth]

So glad you found this helpful :)

[@shamila009]

WOW! I am wearing glasses for around 2 decades now and have astigmatism. Never was I soooooo clear on the idea before watching this video! So easily explained, yet so precise!

[@DoctorEyeHealth]

Glad it was helpful!

[@thatalchemistlady]

You are amazing, man! Your videos are very friendly and professionally explained. I'm a glass wearer myself and a biochem student, and also very interested in all your eye-health related info x)

[@DoctorEyeHealth]

Hey thank you! Hows the biochem going this semester?

[@thatalchemistlady]

@@DoctorEyeHealth I'm a bit exhausted, but I'm trying to do my best! Thank you for asking!

[@Kayle1373]

Thank you for these videos, I'm a receptionist for an ocular doctor's office and I've never been in this field so I'm trying to do some homework. Beautifully explained

[@pameladerouen]

Best explanation I’ve seen! Thank you! 🌹

[@kamakshiraman3286]

Excellent presentation. Thank you , Dr.

[@kashfsheikh4840]

this was really cool explanation. thank you doc

[@leidenjun]

his very blue eyes looking straight into mine get me hypnotized like @_@

[@LauraGonz2004]

You've been very helpful. Have watched about 4 videos already. Very educational and learning new things about my eyes. (New contact lens wearer)

[@tinpony9424]

After reading some of the comments here, it saddens me to see how many people feel uninformed, after leaving their doctor or optician's office. I spent 6 years in lens labs, and 11 years as a dispensing optician in ophthalmology offices. Many doctors are so heavily scheduled with exams, treatments and surgeries, they don't take the time to explain conditions and options to their patients, unless asked specific questions. The same holds true for many opticians/sales associates, but usually because they either haven't been taught, or aren't able to communicate clearly and in simple terms. Thank you for taking the time to make these videos. A patient that knows the pros and cons of their options, is an informed customer, and likely to be a repeat customer.

[@gneissnicebaby]

This was super helpful and taught me a lot! I now understand my "slight" astigmatism a lot better. Thanks so much!

[@RABuffat]

You did a great job with this topic that to me would normally be a yawner. Your energy and enthusiasm are contagious. Question: what can be done for intermittent astigmatism? Some days my vision is “perfect” with just my readers, but other days I can’t read signs or see clearly. I believe it is caused by a combination of poor sleep and computer eye strain. But how can I address something that is so unpredictable? Thx!

[@rosemariekury9186]

I’m 78 and this is such a good video. I had astigmatism and as a child hated wearing glasses. Then as an adult I wore contact lenses which was much better. However we moved to Utah which as a dry climate and irritated my eyes so I went back to wearing glasses. Then in my late 50s developed cataracts. I had cataract surgery, and voila what a difference. I only need reading glasses now. I wear sunglasses while I’m driving because I’m so much more sensitive to light now. I bet the LASIK surgery is similar, but never could’ve afforded it. I wasn’t diagnosed with astigmatism until I was in the second grade! The optician told my mother that my right eye was so bad if it got damaged I’d be blind. Later on my optometrist debunked that statement, maybe because of more modern optical instruments.

[@PureBavarian]

35 yrs of life, and today was the first time my doc mentioned it to me. Wasn't sure if this was a scam that he was trying to up-sale me on

[@PureBavarian]

@@BeeLZBeeb This was said to me while I was getting my eyes examed for an updated prescription. He just recommended special contacts that's supposedly helps with this condition

[@BeeLZBeeb]

@@PureBavarian oh I see, glad it helped

[@TheNotSoOrdinaryCarGuy]

I have had astigmatism all my life until last year when I had lasik, and I still feel I learned more about astigmatism. Very informative and easy to understand. The part where you show how the vision looks under the different diopters, looks almost exact how it did when I had an astigmatism. Thank you for putting this together!

[@familyguyclips-4026]

hey, how are your eyes now one year later?

[@TheNotSoOrdinaryCarGuy]

@@familyguyclips-4026 they’re good! Been over two years now.

[@LizetteC45]

I’m terrified of eye surgery. I have astigmatism and my eyesight is pretty bad. I wish I was brave enough to get surgery.

[@Asimo-lh6zu]

when i fous on something up close my distant vision goes wierd like I see double edges of objects like the way he showed diopters i see that kind of vision only when i focus on something up close or if i am watching a show or something when in the show the persons face is clear but the outside vision is like the diopters is this astigmatism

[@TheNotSoOrdinaryCarGuy]

@@LizetteC45 I wouldn't even consider Lasik or PRK (it's close cousin) to being actual eye "surgery". They don't really get further than the upper layer of skin. The entire procedure takes like 30 minutes and you're in and out. I was afraid like you for many years and I finally had it done right before my 40th birthday. What threw me over to getting it done was my 8 year old daughter at the time needed actual eye surgery to correct a lazy eye she had and I was like, well if she was brave enough to go through that, when that's actual cutting of the eye type of surgery, then why am I so afraid of Lasik, which basically just peels back the upper layer of skin, corrects the skin underneath, and then closes it back up. In other words, lasik type of eye surgery really isn't that bad and only scary because of the word "surgery". I have been so happy since having it done. It's so nice to just wake up and be able to see! It does have it's quirks. Especially if you get sick or have allergies, and at night you see "halos" around lights. But it's still a million times better vision than I had before. Do yourself a favor, if you have the money or the means to do it, don't cheat yourself. Just get it done! I wish I had done it sooner in life. With that said, it's not for everyone and there are times (like when I'm sick or have bad alleries) that I start to think maybe I shouldn't have done it. But they usually clear up once that's gone and I hardly even remember it.

[@JuicySteak223]

Just got an eye appointment, getting glasses Monday, turns out my mom said I have an astigmatism I don’t know what it is so thank you

[@NicoleRAINMusic]

This video is very informative and helpful. Thank you Dr. Allen for another amazing video!

[@DoctorEyeHealth]

Thank you, Nicole!

[@scienceislove2014]

This was probably the most amazing explanation here on youtube

[@paultowarnicki5359]

I'd like a video explaining how the lenses are made and how they work to correct the vision.

[@DoctorEyeHealth]

That would be a great idea!

[@vinayendley]

I agree

[@australium7374]

well this is a short explanation: there are 2 types of lenses that bend and refract to adjust to your eye that’s why some are thin and some are thick because they have to make the light reach your eye accurately

[@rachelv4032]

i had an eye appointment today and they told me i have astigmatism in my right eye and i was nervous to ask what it was! it was the first time i’d ever heard the word and you did a great job explaining it

[@rebeccawoods4488]

I am really benefiting so much from your videos. Thank you very much!

[@amandamitchell640]

Very useful information and wonderful video! Thank you!