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Friday 25 April 2014

Understanding About VLT and UV



Oakley sunglasses online can provide you with great protection from the UV rays and VLT. When you are travelling you should know about the various sunglasses that can really help in protecting your eyes from the various harmful rays. The harmful rays from eyes like UV rays can cause damages to eyes which include growth over eye, macular degeneration , cataracts  etc. All the sunglasses can offer protection with 100 percentage of UV radiation. You should understand about the things to know about lenses of the sunglasses so that you can choose the ones which can protect your eyes. 

UVB Rays 

UVB rays can be of major concern for the eyes. According to American Academy related with ophthalmology, when the eyes are getting exposed to UV radiation for a longer period of time, then it can make the eyes get affected by some eye diseases. UVB rays can even be dangerous to skin. It is required for the individuals to have better understanding about these harmful rays so that the eyes can be protected from the kind of harmful days. There are many Oakley sunglasses online which can protect the eyes from this radiations about 100 percentage. Try to get the sunglasses that can really help in that and never choose anything other than that for the purpose of choosing the kind of the rays suitable. 

UVA Rays 

UVA rays are the kind of harmful rays that can be easily absorbed by eyes. These rays are less harmful than UVB but they are considered as avoidable rays for the eyes. According to the doctors, these rays should also be avoided to get exposed to eyes. Most of the sunglasses even come with the protection from UVB rays so that eyes can be safe guarded from any kind of issues related with it. UVC rays are not something to be considered because they are blocked by atmosphere themselves and need not be protected using sunglasses. You should check whether the Oakley sunglasses online that you are buying have the description that it is meant for UV protection, then only you should buy that. If you are getting tinted glass with least protection from UV rays, then it can make your eyes get very badly harmed. The eyes of kids are more prone to the UV right issues as their eyes do not have the natural ways of protection as in the case of adults.
Sunglasses for All Purpose 

Visible Light  - Transmission is the amount of – light that can reach the eyes through the lens in your eyes. Try to get the sunglasses that have about 15 to 25 percentage of VLT. This is a kind of sunglasses that are more suitable for using regularly and also for various recreational activities. 

Glacier Glasses 

These are sunglasses which can be made used at higher altitudes for protecting the eyes. The VLT for this kind of glasses can be something that comes between 4 to 10 percentage. These glasses can also be helpful in protecting the eyes from kind of light that comes from different sides of lenses. Light transmission is much low in the case of glacier glasses and so they cannot be chosen for driving or for any other kinds of regular activities. 

Photochromic lenses 

These are the ones that are helpful in adjusting according to the intensitities of the light and so are much suitable for protecting your eyes in various conditions. 

The author of this article is Sherly who is much interested in researching about the various rays and eyes. She has been researching in this topic for several years and has understood to benefit of using Oakley sunglasses online.