What is 2020 vision? (It's not what you think)

An in depth look at what it means to have 20/20 vision.
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Textbook definition of 20/20 vision:
The ability to distinguish an image that subtends 5 minutes of arc at a 20 foot distance.
The numerator of 20/20 defines the testing distance of the person being tested and the denominator defines the testing distance that a person with “20/20” vision would have to stand in order to see the same sized letters.
Definition of legal blindness in the US:
If someone has 20/200 vision or less in the better seeing eye (with a corrective lens) or has less than 20 degrees of visual field, then they are considered legally blind.
Question of the Day: When was your last eye exam? How good are your eyes? Can you see 20/20? Let me know in the comments!
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About this video: When was the last time you checked your visual acuity or had an eyesight test? At your last eye exam, an optometrist or another eye care professional likely completed an eye test where they measured your visual acuity by completing the snellen test or reading the snellen chart. If you were fortunate enough, your vision corrected to at least the 20/20 line. But what is 20/20 vision? What does 20/20 vision mean? Check out this video to find out.

[@DoctorEyeHealth]

💥 Eye Health QOTD: When was your last eye exam? Did you have 20/20 vision? Better? Worse?

[@EANNE1000]

Not sure. What I can say is when I hold my hand up, 6 to 8 inches from my face, I can see it clearly. After that it starts to get fuzzy. I've had glasses since end of Grade 2.

[@itzpurplegirl]

Doctor Eye Health I got glasses in 5th grade... my life sucks... will eye excersises improve my vision?

[@heroambaleng8609]

Doctor Eye Health what is the meaning of visual acuity of 6/3.8.?

[@amberkatsims]

My vision is 20/400. Got glasses at 4th grade.

[@Midnight_Falls]

We used the metric system over here in Australia, & my last eye exam recorded a 6/30. 😂

[@DinarAndFriends]

"Illegal blindness" is when someone fakes the test to get a disability allowance.

[@DoctorEyeHealth]

I hate to say it but people do it....(they train us in school how to spot it)

[@harrykhan9672]

@@DoctorEyeHealth use the retinoscope :D

[@وليد-ع6ظ]

Doctor Eye Health how do you spot that lol

[@manasashastry404]

@@DoctorEyeHealth *hi! could you PLEASE do a detailed video on Cornea transplant- explaining it's types, when it is necessary, is it a one-time surgery, are eyedrops compulsory after surgery n for how long, etc..* (I was diagnosed as having 'keratoconus'(both eye) some 8months ago after a detailed eye checkup by our family-friend at his eye hospital, n I'm still yet to get 'Corneal Pentacam' analysis done, as prescribed by him, but my eyesight seem to have gone from-bad-to-worse :/ too blurry vision(despite wearing glasses), I'm experiencing difficulty in performing day-to-day activities as well, have to struggle my eyes, can't drive my two-wheeler that comfortably as I used to, specially during night times..) PLEASE HELP!

[@Dan-oj4iq]

@@DoctorEyeHealth Yes it would be very interesting to know how an eye specilist knows when someone is faking an exam. Maybe a video on that?

[@tessalia87]

Before cataract surgery two days ago on my left eye: 20/400. After surgery: 20/150. Vision is improving by the day as the swelling goes down!

[@DoctorEyeHealth]

That's great! I am wishing the best for you!

[@Thedreamzone11]

@@DoctorEyeHealth my power -11 -10 be myopia So how to improve My eye vision

[@ibainesy]

Update? I'm about to have cataract surgery in 3 days time myself.

[@scg7442]

You're lucky, mine has come back again.

[@almond3963]

Update??

[@no1fanofthepals]

2020 vision: good 2020: bad

[@DoctorEyeHealth]

💯

[@namelesschannel4103]

20/20 vision: good 2020 vision: bad

[@alexlee8639]

😂

[@stickfigureanimations7530]

@@namelesschannel4103 me as 20/60 or 20/50 of my vision I see everything like a camera unlike other people that have 20/50 to see 20 feet miles me I see a 20 and 30 all over miles or all over 150 feets

[@bloxdemention1991]

bro i got 9/11 vision

[@Bbelblelo]

illegal blindness is when I forget to put my glasses on before I hit the road I'm pretty sure. I mean I can see large objects like cars but I don't think thats the standard test at the DMV I failed

[@rosepinkskyblue]

Makes sense

[@alzoron]

My corrected vision is at least 20/10, probably a little bit better because the very bottom line is perfectly clear with glasses. People with "perfect" vision are often surprised when I can read things they can't see.

[@lolerie]

That is because they do not have perfect vision. Most refractometers only have 0.25 resolution, so anything below 0.25 is not visable. For example I have -4.12 sphere and -4.87 cylender om my right eye which is further rounded on those meters. Also glasses cannot be done with this in mind. There is also keratometers that allow to see the astigmatism components.

[@dusscode]

@@lolerie how do you get the precise measurements?

[@zheen9653]

Ahhh of topic but now i want to be an eye doctor when i grow up

[@DoctorEyeHealth]

That's awesome!!!!

[@BxCortez2050]

actually your are right on the mark

[@saikoushik5005]

To destroy people's vision with minus lenses?

[@mathiaskennedy2836]

I had a TBI February 2020 and my eyes got tested yesterday and I got 20/15 in my left eye and 20/60 in my right eye. My depth perception is terrible. Getting glasses on the 20th. Love your videos and information you provide, thank you!

[@luckdragongirl]

I had a lazy eye as a kid, and I remember when I would go to the eye doctor at age 3-5, they always used those pictures instead of letters or the e that I had to hold my fingers up and show which way it pointed. My last vision check was in August, and my glasses made my vision better than 20/20.

[@diani748]

20/80 right eye 20/15 left with Rgp contacts. The poor vision in right eye due to amblyopia. The left may be better than 20/15 as that was the smallest line they had me read and it was quite easy. RGP contacts are amazing for clarity.

[@AliP1970]

My 30 year old son is legally blind in 1 eye. We were told by an optometrist that it was because he was given an extremely high level of oxygen when he was born. Have you ever heard of this? When his children were born, he was practically breathing down the nurses necks making sure they weren't given too much oxygen. I've always wondered about that whole ordeal.

[@L3THALXFOX]

Yeah to much oxygen can be a bad thing. Very common, few people know about it even in the medical field

[@canislatrans8285]

This is like what happened to my mom as a newborn, in an incubator, but it may have been heat rather than too much oxygen, or was both. She has that on top of genetic eye issues. I seem to have inherited genetic issues. My mom is vague on what her actual eye issues are, like if severe myopia, if bad floaters, and so on. She had cataract surgery and still has issues. She had a retinal detachment about 10-11 years ago. I had one 2 years ago.

[@ZombieBarbieOfficial]

That's very scary

[@petert1595]

The frickin title confuses me to thinking the “2020” is the year instead of the “20/20”

[@1stdaughterofcain]

when i was 8 years old, i faked an eye exam cause i really wanted to wear eyeglasses. now i can't fucking see

[@learnwithlife7981]

Stupidity

[@KhalilAbuthiyab]

Man, one of my lens is +6.00, and I have lived with this eyesight happily for 7 years You can live with it too.

[@abhikdebnath876]

did you do lasik or something

[@KhalilAbuthiyab]

@@abhikdebnath876 nah, I'm 17.. just wearing glasses.

[@RussoSimon]

I see 2020 👀

[@DoctorEyeHealth]

👍🎉Nice!

[@ssssSTopmotion]

Did you predict how awful it would be?

[@FA18_Driver]

Had lasik on Tuesday checked eyes today can read 20/15!!! Amazing!

[@DoctorEyeHealth]

Amazing!

[@Heather-gn5hl]

Aw the E's I remember those as a kid. It was great when they started to just look like rectangles.

[@DoctorEyeHealth]

Because they got so small?

[@Heather-gn5hl]

@@DoctorEyeHealth yup.

[@otiebrown9999]

20/20 is when I measure it, using my test lenses, and Snellen.

[@DoreenStOnge]

I just had cataract surgery, both eyes, corneas are not good, Fuchs disease, not having transplant as of yet. I have dry eyes, but now will be going to the optometrist to see about glasses again, and will talk about what kind of dry eyes I have. Thank you for the video. Very informative. Doreen

[@androidaleccc]

Love the channel, been watching since the beginning. Your videos were a great resource as a tech. But now Im an optician so some optical oriented videos would be awesome (progressive designs, frame shape considerations, trifocals, et cetera)!

[@phaenius]

Doctor Eye, I want to ask you something that's been puzzling me on this test. I noticed that this type of test is done in a dark room with a lit screen. But on a dark room the iris of the eye is opening, letting more light in. One's cornea may not be constant in shape and it can distort if the iris is more open, because light is entering the eye on a much wider area through cornea. But if there is a lot of light (like in a sunny day), light enters through a narrower hole in the eye and maybe it doesn't affect the part of the cornea where you may have problems. So, why is the tests concluded in the dark? Will glasses work the same in the dark and in the light?

[@lugardebighe]

Some tests are dark room tests such as Ophthalmoscope examination. Visual Acuity tests are however done with full illumination.

[@polyrhythmia]

In college 40 years ago, I had prescription of -1.00 OD and -1.25 OS. Last month and also two years ago, I was tested to be 0 OD and -0.25 OS. Of course, I have presbyopia at my age.

[@paintingandcraftsss]

What how????

[@Travelguru317]

When I was in my early 20's I had 20/10 vision but now almost 50 I have glasses I need them for distance blah

[@DoctorEyeHealth]

Yeah...that's a pretty common thing to experience

[@Jay16]

How about a video on eyes that haven’t developed properly

[@joja2174]

Congrats on 100k

[@DoctorEyeHealth]

Hey Thanks! ...not quite there yet. But Thank you for your vote of confidence!

[@theycallmeblu1961]

I’m blind 💀💀💀

[@Matt-Adams]

I saw my eye doctor about 6 weeks ago, I was 20/20. Roughly 3-5 days later I was diagnosed with APMPPE and saw my doctor again, my vision was 20/80. Now these 6 weeks later my vision is better but not sure if I'm back to 20/20 or ever will be back to it again, seeing the doctor in a week.

[@iiBlitzful]

Had 20/15 vision as a child until around 13, no idea when it began to change but now as a 22 year old I have to have glasses to legally drive 😂 aging sucks! Please everyone, even if you feel you have good vision, get regular eye exams.

[@PromotedGossiper]

I have 20/20 vision check. A month now but still get dizziness sometimes.

[@otiebrown9999]

20/20 = Is a resolving power of one minute of arc, for the human eye. Or, reading 0.9 cm letters at 6 meters.

[@JasperDD]

I can barely see the E without my glasses. Yeah it’s that bad! And I’m 21!

[@DoctorEyeHealth]

I am the same haha

[@androidvariedades6867]

And what can we do in those cases? Will we be blind?

[@brandonpeay7179]

Thanks to you, I was able to put contacts and and take them out effectively. Thank you.

[@SirFloofy001]

The last time my vision was checked, i was getting a DOT Physical and the doctor asked if i wanted a quick test or if i wanted a proper test. Well turns out i have 20/10 vision.

[@DoctorEyeHealth]

...which did you choose? The quick test or the proper test?😅

[@SirFloofy001]

@@DoctorEyeHealth proper. She didnt stop once i met requirements.

[@dustyroads834]

I had 20/15 until i hit 50 years old. Now i wear 1.00 power readers just to see normal distance and 2.50 for anything closer than an arms reach. Getting old sucks. Lol.

[@otiebrown9999]

20/20 is a myth. Unless you personally confirm - using your own Snellen, and your own Test Lens Set. Works for me.

[@Vortechtral]

With eye exams, are they always aiming to get 20/20 or higher, or do you simply aim for a certain spot? When switching through the discs in the eye thingie, once it reaches one type of spot. Once the person says yes, they usually stop. Wondering if all examiners go for a generalization, or if you simply know there is nothing more you can do with glasses alone. Thoughts and answers are much appreciated! Thanks.

[@DoctorEyeHealth]

Great question Michael. We do aim to get at least 20/20. IF a person cannot read 20/20 with optical correction alone, we search for a medical reason why (cataracts, retinal disease, corneal disease, neurological problems etc). During the refraction process, it is best to not "overprescribe" so it is generally accepted to give the least amount of minus power needed to read the 20/20 line. However, that is a bit of an oversimplification. There are several endpoints to be considered with a final prescription.

[@emil.jansson]

20/10 vision here!

[@beri4138]

Lucky as fuck

[@deepfriedspace6725]

Had an eye test at the er after I got house paint in my eyes.i skipped to line 13 20/10 even though my eyes were bugging me and I felt my vision was blurry. They kept asking if I had contacts in.

[@xamb7246]

I had my sight tested last year and this year. Last year it was 20/10 (18yo), and this year 20/8 (19 yo), will get it properly tested again as i doubt i actually have 20/8. And yes natural vision. Edit: got tested in europe so the more exact results were in decimals= left 1.75 (6/3.5), right 2.25 (6/2.7 ish) and both 2.5 (6/2.4)

[@livingintongues]

Illigal blindness is.. WINKING

[@yasmine5741]

Me: having 20/20 vision Also me: eyes literally touching the monitor

[@coolnegative]

Legally blind just means "officially" blind by government standards to be eligible for different aids/help/disability.

[@ilovepickle]

Some of the worst criminals dabble in illegal blindness!

[@8543960]

I can't even read the big letter on top without my glasses. 😆

[@Heather-gn5hl]

Oof.

[@ninacardoza2005]

Hello lol

[@brittanywatson7381]

I don't understand why vision would not be correctable to 20/20. Can't the doctor just increase the magnification? You may have done a video on this already, but I just started watching!

[@zen4realfightman426]

I know what my prescription is but I have no clue what over 20 I am

[@DontTakeCrack]

What's the importance of the eye exam these days compared to say, back in the 1980's? A thought in my head is just wondering why we still have to do these tests and not have technology solve some of the problem for us. Has technology improved such that the eye chart is more just a verification process? Or are we still quite lacking in tools to be able to just measure every part of a patient's eyes and determine what they could see on the chart?

[@hnek]

Why did 20/20 become the norm? How many people were tested before they decided that was normal person sight? Also, why isn’t it ok to get a prescription that may not be completely 20/20? maybe it’s like 20/23 but you like things a little softer? I remember being a kid in like 8th grade and the guy was like “I gave you better than 20/20 with these!” And like great I could practically cut myself on how sharp everything was but I didn’t need them to be, and maybe he made my eyes worse in the long run by forcing them? I’ve been as bad as 20/500 though it’s going down, now.

[@sunguy08]

Great vid! 💛

[@Muhammad-xn2ys]

Hey doctor I’m a 14 year old boy so my left eye won’t turn full left and cause of that I see two thing if I look left or if things are far.

[@therizinosaurus214]

mine last checked was 20/800 without correction and 20/40 with correction

[@tinytuzi8167]

My left eye was 20/40 and right eye was 20/30.

[@DoctorEyeHealth]

Was that with or without correction?

[@tinytuzi8167]

Doctor Eye Health, Without correction. I’ve always had 20/20 in both eyes up until recently. I really hope I don’t need glasses.😰

[@samanthaelias4074]

This year of 2020 my vision is better.

[@shifasayed2329]

Thank you so much, you made me feel better ☺️.

[@lyfandeth]

Not to mention, Snellen numbers ignore all the other eye problems can turn vision useless.

[@davidward2634]

I got 20/70 and 20/80. Nearsighted and have a astigmatism

[@jessioliver16]

Can you do a video about online eyeglass sites? Are they a risk? For clarity, I am asking about online sites where you can purchase frames inclusive of lenses.

[@DoctorEyeHealth]

I am working on that...The biggest thing is making sure the prescriptions are correct and they they are adjusted correctly, its common to see errors with online glasses. Be sure to get a good Pupillary Distance measurement.

[@janetshare7906]

How does flying on planes affect people that have had retinal separation and macula holes?

[@DoctorEyeHealth]

If there is any gas in the eye from the surgery, then it’s recommended not to fly. Talk to your surgeon about if it is safe.

[@janetshare7906]

It was 2017 when I had first surgery, a retina separation, the following year a separation in the other eye, and a macular hole in the eye that had first surgery. I guess I am being paranoid, I have flown a few times since. I get along ok with cheaters for reading and have a pair of driving glasses. I have mono vision cataract lens implants. Not sure of 20/20 or what but close up eye is power of 10 and right distance power of 8.

[@hilarynix]

I'm nearsighted and astigmatism. I have to wear glasses or contacts.

[@beri4138]

Eyyyy me too

[@kbheath76]

Hell I'm over 40, I don't have 20 20 version. I now wearing glasses

[@jimtryon1560]

This is really helpful to know! I have 20/20 vision after LASIK but I wanted to get 20/15 vision. Can you go from 20/20 to 20/15?

[@hilaryweiner893]

Dr. Allen, you do a good job of educating people about general eye health, but on the matter of less than 20/20 vision there is much more nuance to less than standard vision than you represent in your video. As someone with vision that cannot be corrected by optometrists, I would like to provide some insight into this. I fall in a strange netherworld where my vision can be corrected to between 20/40 and 20/50 in my better eye. The other is estimated at 20/800. I'm still able to drive with a restricted license, and this is the case in most states, so implying that 20/20 vision is important for driving is not entirely correct. As my brother-in-law says, cars are large objects, so it doesn't take great vision to avoid running into them! I can read using a Kindle with large font, and I can do most ordinary things. Where I do run into issues is reading sheet music, which requires excellent VA at an intermediate distance, even more so than using computers.. Optometrists like you believe my vision is good enough to use ordinary glasses, but they don't work very well. The low vision docs won't prescribe telescopic lenses for someone with vision as "good" as mine and tell me to memorize my music. The musicians exhort me to learn Braille, which doesn't solve the issue of sight reading in groups because you need both hands to play most musical instruments. Enlarging the music on a copy machine creates other issues. After many years of playing flute in bands and flute choirs, this is an activity I am no longer able to do because of nonstandard vision. I am an amateur, so it doesn't interfere with my profession. But I know at least one individual who has had to consider retiring from his post because of this. So less than standard vision can have serious consequences, especially if the vision loss happens later in life.

[@DoctorEyeHealth]

Very well said. Thank you sharing. I felt the video was already a bit long so I didnt want to get too far into the discussion about low vision and such. That will come in other videos. But I loved your descriptions. thanks again.

[@baronvontollbooth484]

So, instead of saying how many 'minutes' the size of the print one must be able to read at 20 ft. away to have 20/20 vision, can you tell us the actual measurement of the letters? Like, if I can read print that is 1/2 inch or 1 inch or 1 cm or whatever big at 20 feet then I would have 20/20 vision. Thanks.

[@wildrabit4996]

When i was 6 years old my parents took me to the optometrist beacause they realised i realy could't see much. I had +6 in both eyes(thats why my dad remembers it i was 6yo,666). I had a lot of trouble reading then in the year following i learned to see and my vision when to 4 and 4.5 and slowly got better until i got glasses somewhere else and they where't the right prescription. I whent back to my optometrist and the last i whent there my eyes where 3 and 2.5 and my eyes are noe both 2. I am 20,my eyes are now 2.0 in each eyes,thats how im gonna remember it

[@tahjpedersen8800]

What vision would I see if I lost my left eye but I have perfect vision in my right eye?

[@bertiepimplebum5633]

After 60 years, now I know.

[@amandareed1871]

I have low vision and I use a while cane, I am not legally blind, I can see people blurt it’s like having wax paper over my eyes. Put wax paper over your eyes and look through it that’s how I see. I’m not illegally blind I can see just not very well. Legally blind is when you don’t see at all. 2020 vision I see light. I can’t see in the dark at all I haven’t gone out at night for years and years.

[@dinamagedsalah4912]

Can you pleaseee review the bausch and lomb renu fresh multipurpose solution, since it’s had problems before, do you think it’s safe?

[@lakshsharma1120]

Is there any way to make your vision better

[@stealthhunter6998]

I wish my eyes worked like normal eyes (I’m short sighted and have a lazy eye which gives me double vision (recent development) and then I was told there’s no way of fixing it (when I tried the prism the colours of light were so visable so I don’t wanna use them).

[@DoctorEyeHealth]

That is a major bummer to hear. They cant do surgery to help?

[@stealthhunter6998]

Doctor Eye Health the eye surgeon there said they could but there’s no point because it’s an extremely high chance of just making the double vision worse because it’s not my eyes health it’s something to do with the way my brain has trained itself over the last few months to ignore the image from the left eye and favour the right eye (since it’s also got better vision), so if they did surgery to the eye to realign it, it wouldn’t fix the way my brain still interpreted the images from both eyes and puts them together anyway.

[@conanr.1138]

how to prove the mar =1 min arc mathematically ?

[@Vivaswaan.]

sorry, but I failed to understand what 20/20 vision means, or what this metric means.

[@DoctorEyeHealth]

darn...i will have to get better at explaining it then. The simple answer is that it is a standard. Most human eyes should theoretically be able to see 20/20 under normal development.

[@Vivaswaan.]

@@DoctorEyeHealth May be, you do have to get better at it. If you think like a person who hasn't had a professional education in Optometry and then try to explain, it'll be easier to understand. I look up to you for a lot of advice and information.

[@devonrhoe9086]

Last time I checked it was 20/40 or 20/30. Few years ago.

[@sarajl976]

GREAT VIDEO: I know you guys need to make a profit and probably there's nothing filmed about eyesight better than film or movie vision 2020: from eyesight to insight..... but if the film is so good, and I haven't seen it yet but believed and have heard there's nothing better than that.... couldn't you give it for free? so more people can benefit from it?

[@GlazeBeam]

I cannot see the biggest E from 3 meters. But yet I know there's an E there. It's always there

[@conradcharles7768]

Any i think my doctor said im 20/17, my vision is getting better lol

[@DannissanGTR]

Got 20/11

[@Duuunte]

I love your videos I was wondering could you do a video on sleeping contacts in which u wear them as you sleep and the next day you see clearly? I really wanna know everything I can about them if you could do a video on them please let me know.

[@jameshall5556]

Don't sleep with your contacts in. It allows for infections to manifest. Generally, I recommend following the cleaning instructions provided with your contacts and solution. Hope this cleared things up!

[@Duuunte]

@@jameshall5556 oh guess I didn't word it right I meant that a company in the UK makes contacts that allow you to sleep in them and you can then see the next day after removing them I just assumed he might of known something of this sorry for the confusion.

[@jameshall5556]

@@Duuunte I've asked my doc about this too. He said even the overnight ones pose a risk. It's really up to you there, but my doctor doesn't recommend it.

[@Duuunte]

@@jameshall5556 okay thank you just wanted to be sure thanks

[@6Fiona6_P_6]

I have no idea what my field of vision is without my glasses. I never thought to ask. All I know is I'm short sighted with an astigmatism. But there's one thing that is concerning me. That thing is the lid cleaning regime for blepharitis. I've recently learnt of a condition called Erythema Ab Igne. It's a skin condition caused by chronic exposure to infrared radiation in the form of heat. It can also be caused by everyday use of heat packs. I've heard it can possibly lead to cancer. And one of the steps in blepharitis care is the use of hot compresses or heat packs on the eyes to liquefy the plugged up oils in the meibomian glands. I'm wondering is there anyway to care for eyes that suffer from blepharitis without having to use heat? I'd be grateful for your thoughts on the subject. Is there any new treatments on the horizon for blepharitis? 👀☮️⚛️

[@pizzapizzapizza5]

I want glasses but they said I have 25/20 vision so they said no. I don't know what that means.

[@DMDMDM7]

why is this recommended to me? weird YT AI. and my vision is better than 20/20. can't remember how much better. but it was a lot better. and yeah, my country uses metric. so it's not called 20/20 in here. and that's been a while since i was tested. and my vision is still as good as when it was tested. i guess i'm one of the lucky ones. my younger brother eyesight is a lot worse than mine. he needed to use glasses for reading.

[@TheHatGuy1500]

20/20 eye vision means regular vision

[@BusbysChair17]

I have decent vision out of both eyes invidually but my binocular vision is poor (convergence insufficiency). Would I count as having 20/20 vision?

[@A5d39]

i have 20/15

[@muhammadaamirawan117]

Sir, is there any way we can get rid of wearing eye-sight ? any eye-sight workout or a nutritional diet, etc.Please tell me if there is any because I am tired of constantly changing the number of eyesight glasses and getting rid of the computer and mobile screen is impossible for me because it is a part of my job.

[@sdivine13]

I thought it was minute of angle

[@robnation2475]

In hindsight it's what I used to have.

[@lakshsharma1120]

Can your eye get better

[@wickedest-witch]

It seems to me that the concept of 20/20 vision is far more prevalent in US culture than in my country - I have no idea why. My country does use the metric system but you don't hear anybody talking about 6/6 vision either, generally people might mention diopters, or possibly talk about vision in percentages. I think generally if you would mention 20/20 vision they would understand it, but only because of US media which is very prevalent here, and they would associate the term with being an American thing (not that it is necessarily exclusively American, but people here would be exposed to the term through US media and therefore associate it with the US), and if you said 6/6 vision most people would have no idea what you were talking about. I'm talking about members of the general public, not eye care professionals - I am not an eye care professional so I really don't know what they would use to communicate to each other in a professional setting. I have had eye checks involving a Snellen chart but I was never told "you have x/y vision", only "your vision is good" and later on "you need to get further testing because you probably need glasses", the only numbers I've ever been told relating to my vision have been diopters/degrees of astigmatism.

[@leonlebail]

I wish i had 20/13 vision

[@DoctorEyeHealth]

It is pretty incredible when people can do it.

[@MattStMarie-bm5sq]

Is hindsight better or worse than 20/20??

[@supergame6156]

I have 2020

[@odehojn2822]

I'd Love to see

[@odehojn2822]

all i see are blubs

[@TheFspirit]

Uploaded in 2020. I see what you did there 😉

[@DoctorEyeHealth]

;D

[@Lulu-yepeyo]

My left eye is -1.50 and right - 50..i hve astigmatism in my left..do i need to wear astigmatism contacts? Or can i wear regular contacts..i been wearing daily softs but i noticed that i cant see properly..

[@blacksheepgirl]

HI, today i was reading the eye chart like a digital one and i saw a big e and an h they were both on the same row, there were three letters on the first row, but i could not read all three. They said my vision is 20/100, but i saw more the last time. O_O Can you help? Is this correct?

[@kalijasin]

What if the chart is memorized? 🙊

[@amritcracker7743]

Hey i have lasik recentry i dont think i have 20/20 vision . Can i improve it somehow or it takes time to get max vision quality after lasik

[@onemoretime007]

Sorry Bro I googled what is 2020 vision at 20 seconds and got the answer. I didn't want to waste 7 minutes of my life when I can find the answer in 7 seconds.

[@bencayago731]

hi brother..can i ask you...is there an effect to human eyes when you watch or read by laying down on the bed..what will cause to the eyes.sir thanks...hope u understand.

[@DoctorEyeHealth]

Well if you are constantly looking in a downward position - it could cause some level of eyestrain. Other than that, I have never heard of it causing a problem.