Doctor insights on:
Downside To Sunglasses Inside
Nope: You need special goggles for that, like for acetylene torch. ...Read more
Optometry: what are polarized sunglasses and is it the same or better than a 100% uv protection sunglasses?
Does wearing sunglasses in direct sunlight ruin vision? Some light from sun gets into eye from side and above angles.
They make sunglasses that block ultraviolet rays. Would you buy a screen to tan under that blocked ultra?
No: If such a screen really blocks all the ultraviolet then you wouldn't tan! tanning is a reaction of your skin to the damage that ultraviolet radiation causes. The cells of the skin put up little screens that try to shield the nucleus from further injury. Around 20 minutes of sun exposure a day can make your vitamin d ration. Otherwise, try to limit your exposure. ...Read more
Is it possible for UV rays to hurt your eyes through a vehicle windshield? Light reflected off of water on road, no sunglasses, sore eyes.
All new cars have UV: protection in the past 10 years. So you need to look up the make and model of your vehicle to find out. If so you should be protected. Most prescription glasses, you can buy the UV protective shield. It will fade over time. Always a good idea to protect your eyes in snow, water, or wherever there's high reflectivity of sun rays, even in pools! Avoid sunburn for skin, and protect your eyes too! ...Read more
Can the sun damage your eyes when they're closed? Let's say you're lying out in the sun and your eyes are closed with no sunglasses. Are your eye lids enough to protect your eyes from the sun's harmful uv rays? Or is it necessary to put sunscreen on your
Be cautious: Applying a tinting material such as is used on car windows would be difficult due to the curvature of the lens. If you were to use a chemical to tint the glass or plastic lenses, you may damage the glasses and you wouldn't know if the chemical was safe to have near your eyes. May not be worth the risk. ...Read moreSee 1 more doctor answer
Window Tinting: From talking to many window tinting companies, that offer several competing product lines, the final opinion is that llumar, formula1, and sun-gard (by madico) offer the best value for your money. ...Read more
Save your money: Expensive and cheap sunglasses are pretty much the same in terms of health to your eyes. They nothin block uv light which is their purpose. Save your money! ...Read more
No: The redness you get from computer use is in no way related to ultra-violet light exposure. It is most likely related to dryness. When we use a computer, read or do anything that requires visual attention, we blink less often. This results in a drying of the eye. Dryness results in inflammation and redness. See your eye doctor for the best methods to treat the dryness. ...Read more
Optometry #: what is the best sunglass clip-ons that will protect the eyes from the very strong sunglare in south florida? Are they all the same?
Difficult choice: There are no enforceable standards in this field. While most sun shield (clip-ons and/or glasses) do block uv, and many say this on their merchandise, they do not have an agency that monitors them nor establishes the level in each piece. So the best you can do is to rely on the literature provided. ...Read moreSee 1 more doctor answer
Only when: Worn and used as prescribed , just as with normal contact lenses. ...Read more
Maybe: If you are protecting them fro flying objects, yes. If you wish to protect them from flying dust, yes. If your goal is to protect them from radio and light waves, yes. However the waves are pretty safe. I would not recommend them unless you feel more comfortable wearing them. ...Read moreSee 3 more doctor answers
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
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