Doctor insights on:
Bad Wearing Sunglasses At Night
Brown or grey: To block the uv light most effectively, sunglasses of brown or grey are the best. These always have incorporated in them uv blockage. Other colors are mostly cosmetic and a few for special circumstances. None are bad for the eyes although some are not effective. ...Read moreSee 2 more doctor answers
No. Feel free to: Wear them...Even indoors.Get a more detailed answer ›
Can sunglasses be bad for my eyes? Is it better to have darker-colored lenses or higher uv protection (or both)? I heard that darker sunglasses cause the pupil to dilate more, which makes your eyes more vulnerable to uv rays. Is this true? Should I get li
Ultraviolet: Ultraviolet (uv) light is harmful to the eyes, especially large amounts over long periods of time. In the United States, all sunglasses are required to block a very large percentage of the uv rays. The darkness of the sunglasses does not affect the uv filtering ability, since uv light is invisible and the uv blockers are clear. It is true that darker the sunglasses will open the pupil more and thus let in more uv light, but since almost all of it is being filtered by the sunglasses, this is not something to worry about. The exception would be specific eye diseases such as retinitis pigmentosa, in which extra high uv protection is a good idea. ...Read moreSee 1 more doctor answer
I found orange tubes that looked a bit like plastic in my stool. Is this bad, I assure you I am a very healthy eater. I chew the tips of my sunglasses?
? Plastic, see doc.: Perhaps What you are seeing is small particles of plastic. However please see your physician to have it checked out. ...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
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
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
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 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
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