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கிட்டப்பார்வை தூரப்பார்வை கண் கண்ணாடி வகைகள் | Eye glasses for Myopia presbyopia hypermetropia | dr karthikeyan tamil
#கண் || #கிட்டப்பார்வை || #கண்ணாடி || #eye || #glass || #myopia || #presbyopia || #hypermetropia ||#drkarthikeyan
What is Astigmatism? How does corneal astigmatism affect vision? Can you get LASIK with astigmatism? Learn how to pick the best prescription glasses lenses for you! - Check out our full series showing what you need to know about buying prescription glasses. Purchasing prescription glasses can be a challenge and often confusing when you do not know all the lens options. In this video, I walk you through different eyeglasses lens types (such as bifocals vs trifocals vs progressive lenses), as well as showing different glasses lens materials and the pros and cons of each.
If possible, it is always best to consult your local optician or glasses shop for more information and details about what is best for you and your glasses prescription.
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
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
No matter where you buy your eyeglasses it is always best to have them professionally adjusted to improve their fit and comfort. It will help you see better too.
If you are looking to purchase prescription glasses online, it is important to continue seeing your eye doctor yearly for eye health evaluations. Although you may be seeing well, many eye diseases may creep up without affecting your eyesight until it's too late.
Disclaimer:
Dr Karthikeyan received his Doctor of Medicine in Community Medicine from Kasturba Medical College, Manipal in 2006. This video is for general informational purposes only. It should not be used to self-diagnose and it is not a substitute for a medical exam, cure, treatment, diagnosis, and prescription or recommendation. It does not create a doctor-patient relationship between Dr Karthikeyan and you. You should not make any change in your health regimen or diet before first consulting a physician and obtaining a medical exam, diagnosis, and recommendation. Always seek the advice of a physician or other qualified health provider with any questions you may have regarding a medical condition.
கிட்டப்பார்வை தூரப்பார்வை கண் கண்ணாடி வகைகள் | Eye glasses for Myopia presbyopia hypermetropia | dr karthikeyan tamil
#கண் || #கிட்டப்பார்வை || #கண்ணாடி || #eye || #glass || #myopia || #presbyopia || #hypermetropia ||#drkarthikeyan