Is it polite/ socially acceptable to wear sunglasses indoors? | Yahoo Answers
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In childhood the pupil is larger and the lens inside the eye is completely clear so more UV gets through to the retina. People with blue eyes are more at risk as they have less protective melanin pigment in their iris. This makes them slightly more susceptible to damage. Evidence from a recent study on mice is compelling.
It showed that mice exposed to UV light daily for a week had damaged corneas and a decline in vision but mice given glasses with UV protection — similar to levels UK standards require — had much sharper vision, healthier corneas and less cell death. As Susan Blakeney, a clinical adviser for the College of Optometrists explains: In the UK summertime, there may be up to three times higher levels of UV-rays than other times of the year Exposure to the sun in the UK can be just as risky as leaving your eyes unprotected during a holiday somewhere hot, she adds.
As a general rule, when the sun is out for prolonged periods including in the winter you should be wearing sunglasses. Clouds are thought to only reduce the amount of UV by around 10 per cent. Not all car windows have UV filters, so wearing sunglasses — if you are a driver or passenger — is advisable. Light is measured in nanometeres, and UV rays measure between to nm. A rating of UV means the sunglasses allow no more than 5 per cent of rays below nm. Under British and European guidelines, sunglasses must block up to nm of UV light essentially a rating of UV exceeds the guidelines and glasses sold in the UK must abide by these standards.
As a general rule. For this reason, they may be more comfortable in a darker lens. UK guidelines say tints must allow 8 per cent of light through the lens to be permitted for daytime driving, and at least 75 per cent for night time driving an optometrist can check the level for you.
The tint of the lens, regardless of its colour, will not affect the UV protection, but light protection will vary But tint does matter if you buy glasses without adequate UV filters — it could pose a greater risk than wearing no glasses at all. Unlike old sunscreen, which can become less effective, there is no need to replace your old sunglasses after a certain time. Studies show that indirect UV rays may be a major factor in causing UVR-associated eye damage, a study in the journal Clinical Ophthalmology reported.
To fit correctly they should block rays from all angles, including from the sides, so wraparounds are ideal. In future, sunglasses may have a rating to reflect how much light they allow in at the sides — a so-called ESPF eye-sun protection factor. And in the long-term, this exposure may contribute to cataracts, corneal ulcers and retinal burns.
Rabbits exposed to infrared for five or ten minutes showed signs of eye damage, according to a study in the Indian Journal of Ophthalmology, in Sunglasses rarely have infrared protection, those that do should say on the packaging.
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They come in all shapes and colors, and you can mix and match based on your mood or outfit. However, wearing glasses is not always effortless. In fact, they can be a pain. Swimming without your glasses You cannot swim in a pool, lake, or ocean with your glasses.
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Unless you are okay with breaking them, or losing them forever. You have to leave them behind on your towel and swim very, very blindly. Having to pee in the middle of the night And subsequently tripping on clothes and stubbing our toes on books in the process. No more brighter-than-thou sun in your eyes!
You can hang out in broad daylight without cowering away like a vampire. However, now you need to transition between your outdoor and indoor glasses.
Sometimes you forget your indoor glasses, so you end up wearing sunglasses inside. Glasses essentially water down any makeup you may be wearing, so if you want to go for a bolder look, heavier eyeliner, eyeshadow, and mascara are needed.
When I was in the 6th grade, I would have to dump buckets of glitter on my face in order for anyone to even notice I was wearing glitter.
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And I wanted everyone to notice I was wearing glitter, obviously. Shaving in the shower Razors and bad vision do not mix. Trimming your bangs I am so envious of people with bangs who can just trim them in the time it takes to wash their hands. You end up readjusting your glasses every five seconds and it drives you to the brink of insanity.
Wearing a headband is painful All that pressure behind your ears is the worst.