The Eye Nook

What does light transmission mean on sunglasses?

It is very important to choose correct and good sunglasses. Strong sunrays could damage our skin as well as eyes. Sunlight contains UV rays, some of them are visible while others are invisible. The shortest wavelengths are the most dangerous, which is called UVB. The longest wavelengths are less harmful, which is called UVA. Cornea in eyes absorb UV rays, and the lens could be damaged. We can't see the light transmission in sunglasses, which is invisible to us. What we can do is to read the introduction or stamps of the sunglasses. You can find some words like, 100% UV prevention, UV400 and etc. The color of sunglasses lens also means something other than style and fashion. Brown colored lens are very good at preventing 100% UV rays. The tender color reduces glare, makes eyes feel comfortable and not so easy to get fatigue. Gray is a good and popular choice. It could prevent 100% of ultra-red rays and most of the ultraviolet rays. It perceives colors more naturally.

If i went to my optometrist and got prescription sunglasses could i ask for normal lenses too?

Of course you could. You can ask them to give you another pair of the normal lenses which you can replace the prescription sunglasses lenses with them when you wear contacts. I think they would be happy to sell you the normal lenses because it means for money for them.

Why are my eyes red after being in the sun?

It is well-known that exposure skin under the sun, will make our skin red and hurt. So do our eyes. UV radiation can damage eye's surface, cornea and lens. Exposure under the sun for a short term may cause photokeratitis. It is an inflammation of the cornea caused by UV radiation. Symptoms includ tearing, pain, red eyes etc. Long term exposure is more serious. It will increase the possibilities to get cataract and may harmful to people's retina. Still, it is uncertain that UV radiation will cause how much damage, but it is important to wear good quality glasses. So when you go our door, you had better do protection.

Where can I get Non-prescription designer glasses?

Actually all glasses are without prescription initially. The original plastic lenses on the glasses displayed at the optical store can't be used for wearing. Even if you need plano glasses the processor will install plano lenses in the frame to replace the initial plastic lenses. For this reason, you can get non prescription glasses at every store which sells designer glasses.

Do peolpe have Diabetes and macular degeneration still need to have a dilated eye exam?

It is not true . People with diabetes should have annual dilated eye examinations.It is critical for all adults to have regular dilated eye exams because there often are no early warning signs to indicate the development of retinopathy or age-related macular degeneration. It is also a good idea for people with chronic eye diseases to be on the lookout for any new symptoms in their overall health and to talk to their doctor if they have specific concerns about their heart health. source:https://www.sharecare.com/question/when-to-have-eye-exams

Do guys like girls with blue or brown eyes?

Well, as a matter of fact, this is quite a subjective question, different people have various opinions about it. So, personally speaking, as a man, I like brown eyed girls for they are more charming and mysterious, sexy. So, maybe by wearing some colored contact lenses, you appear to be more charming and could have whatever color you want. But you should listen to your heart and do not be affected by others' ideas.

How to care my wraparound Prescription Sunglasses?

Wraparound Prescription Sunglasses, just like normal eyeglasses, are easy to get scratched. So you'd better not use your nails to remove the taint on the surface of your wraparound prescription sunglasses lenses. Another point you should remember that you should not put your wraparound prescription sunglasses in a hot environment, such as in a car or under the sunshine, which will make the sunglasses deformed.

How to tell if spy sunglasses are real or fake?

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Would a small change in eye prescription cause discomfort?

You'd better have an eye exam first.If the change is slightly,you are not supposed to feel much uncomfortable.It is possibly that you are having other eye problems.So visit your doctor first.

Why am I seeing things that aren't there?

As far as I concerned, there are two explanations on your problem. One explanation is that you have got a serious disease. For example, hallucination. Hallucination has many causes, such as being drunk or high, epilepsy, fever etc. The other explanation is you are hunted! ok, Just kidding, but never say never! Anyway, go see a doctor!