Doctor insights on:
Downside To Wearing Sunglasses
Probably: You wear sunglasses to block out bright sunlight and this is more likely in a convertible with the top down. They might also help keep stuff from blowing into your eyes. By all means if they help you, wear them. ...Read more
No: While wearing sunglasses on sunny days to protect your eyes is an excellent idea and will protect your eyes from uv rays, it will not actually "improve" your night vision. Protecting your eyes on sunny days may help with adapting to low light situations, but after 15-30 minutes you vision will have adapted sunglasses or not. Over the long term, not wearing sunglasses can cause some eye damage. ...Read moreSee 2 more doctor answers
Light input: Wearing the sunglasses in creases the pupillary size and can alter the focus a little due to this fact. Contacts can provide excellent correction and there can be a slight improvement or decrease with the sunglasses. Not a big effect and not harmful. ...Read more
100% UV-A and UV-B: Look for the label that says it protects 100%. If needed get ones that wrap-around. ...Read more
Is there somewhere I can take regular sunglasses from any store and get perscription lenses for them?
Optometrist: Your optometrist or ophthalmologist should be able to make lenses for any frames you might have. Keep in mind that, unless you are buying expensive ones, sunglasses these days tend to be rather flimsy and somewhat disposable. Better to get a high quality (and stylish) set of frames from your eye care provider. ...Read moreSee 1 more doctor answer
I use 400uv sunglasses every time I go out in sun.I'm kinda dependent on it. At night others car headlight beam is causing me discomfort.is it OK?
I don't know why: ...you have such sensitivity to light. You would need a thorough eye exam by a licensed practitioner to find out. Cataracts are a common cause of light sensitivity but, unless the person is born with them, they seldom cause problems to anyone less than 40 years of age. I urge you to get an eye exam. ...Read more
I looked at the eclipse through a pair of sunglasses and a colored cup for about three seconds. My vision seems back to normal. Did it do any damage?
Without an exam?: probably not. But none of us can reassure you without an exam. In person. We do not just guess. ...Read more
No harm: These are to provide comfort with the dilated iris. If you do not wear them you might have some discomfort from the light but no harm will be done. ...Read more
Sunglasses & UV: The best sunglasses should block 99% to 100% of uva & uvb radiation. Always check the label before you buy. Labels that say “uv absorption up to 400 nm” or “meets ansi uv requirements” mean the glasses block at least 99% of uv rays. Those labeled “cosmetic” block about 70% of uv rays. If there is no label, don’t assume the sunglasses provide any uv protection. Dark "sunglasses" may not block uv. ...Read more