Vision Center

Why do people wear yellow tinted glasses when shootng?

Shooting glasses are used for protecting eyes from UV rays and strong light, and different color tinted glasses has different functions. As for yellow tinted lenses, it can increase vision contrast especially in hazy, foggy and other low-light conditions so it can make things look brighter. So you can find most of people love to wear yellow tinted glasses when shooting since they can see more clearly with them. Besides, it is said that yellow tinted glasses have such an function that can filter out the blue light which would affect the sharper focus.

Can cataract surgery cause blindness?

No, it will not cause the blindness if your cataract surgery fails. Cataract is a common ophthalmopathy that may lead to the blindness. People eyes have an organization called the lens. Under normal circumstances, it is transparent. When the light goes through it and some refractive interstitial reach the retina, it can clearly see the objects in the outside world. Once the lens for some reason occurred cloudy, they will affect retinal imaging which will make the person not see things clearly. That is to say, lens opacity causes vision loss in cataract. If you have got the cataract, you'd better get the timely treatment. At the same time, you should pay attention to some tips to avoid long-term excessive use of eyes. Or else, the eyes may get blurry at vision again after the cataract surgery.

Are the multifocal contacts a good choice to alleviate wearing glasses at all?

There are multifocal contacts. You can buy them in any big eyeglasses stores or optical shops. Many old people choose to wear this kind of contacts. You don't need to bring several pairs of glasses with you anymore. It is very convenient because they work the same as a pair of multifocal glasses and you won't need to put on and take off them from time to time.

How do farsighted glasses work?

If you are farsighted, you may have the problems at seeing things near. Once you wear the farsighted glasses, it may adjust the images on your retinal and make you see near things clearly. You should have the good rest for the eyes, not sitting in front of the computers for a long time. Or else, your eyes nerves will get tired. Your prescription will get higher. Protecting the eyes is very important.

Can heavy computer use cause glaucoma?

Yes, it is possible for you to get glaucoma because of too much computer using because of the strong pressure on eyes. When you sit in front of the computers for a long time, you may find that your eyes will easily get tiredness. Then your eyes pressure will get high. You should control the time of using eyes in front of the computers. You should also prepare the safety goggles which are very necessary now.

Can pink eye cause corneal ulcer?

Well, it seems that you have a lack of knowledge about pink eyes and corneal ulcer. So, let me briefly tell you something about them. So as you can see pink eye is resulted from some improper use of eyes, or exposure to dirty things and bacteria. However, corneal ulcer is quite complicated which could be resulted from a wide variety of reasons, and sometimes acute pink eyes could lead to corneal ulcer. If you do not feel right, you should see a doctor.

Why does my vision get better when looking through a card with lots of holes in it?

I think it is just like how glasses work.The holes force the light to refract and reach the point in the back of your eyes where it should be.

What causes blurred vision in the afternoon?

Hello, in my opinion, your blurry eyes in the afternoon has no exact collection with you myopia. However, sometimes blepharitis cam cause such problem. What's more, some problems of blood in the eye could also do that. You can first go to see an ophthalmologist to see if there are some collections.And also, remember to relax your eyes properly in the day. Good luck!

Where can I test if my sunglasses offers 100% UV protection?

When you go to buy sunglasses, you will see a label saying "100% UV protection" on the sunglasses. As long as the sunglasses have this kind of label, it indicates that they can provide 100% UV protection. Generally speaking, all the sunglasses should have full UV protection, even they are the cheapest sunglasses.

What are the best sunglasses for young men in 2013?

Lots of designer sunglasses wear newly launched. Based on those magazines' analyses. Retro style will continue in fashion these years. However, more modern elements were put in sunglasses. Colorful frame and lenses can help people express their diversities. Young men can choose D&G if they want be more gentle, and FENDI presents more youth atmosphere. So, you can choose different type if you like.