Prescription Sunglasses as a Protective Eyewear against Ultraviolet Ray
Prscription Sunglasses are eye wears with dark tints to protect the eyes from sunlight. If you often travel outside, you should buy a pair of sunglasses. Sunglasses are covered with the ultraviolet coatings to protect the eyes from ultraviolet rays. Ultraviolet ray can cause diseases on your eyes. Examples of diseases that are caused by ultraviolet ray include eye cancer, cataract, and etc. After purchasing sunglasses, make sure you wear it every time you go outside. The sun is especially hot in the afternoon. If you are going out in the afternoon, you must wear the sunglasses.
When shopping for Prscription Sunglasses, you have to choose the lens with the right tint color. The type of activity that you are going to perform in the outdoor determines what kind of sunglasses you should buy. If you plan to go mountain climbing, you need to wear sunglasses that have dark tints so that the ultraviolet rays can be blocked off. It is best that you buy sunglasses that can block 97% of the sunlight. If you want to go sun basking at the beach, you need to wear sunglasses that can block in between 70 – 90% of lights. Sunglasses that only offer 60% of ultraviolet ray protection are not effective. Sunglasses that only offer 60% of ultraviolet ray protections can be used for vanity purposes.
If you want to improve the functionality of your sunglasses, you can add other coatings. Some of the coatings which you can add to the sunglasses include anti reflective, mirror and scratch resistant coatings. Expensive Prscription Sunglasses are polarized so that the light cannot refract horizontally and block the vision of the drivers. The anti reflective coating can help the person to achieve more clarity. Besides, the anti reflective coating is able to offer better protection and contrast for people.
Photochromatic lens is quite popular in the market. It will automatically become darken when exposed to the ultraviolet ray. Ultraviolet ray will not be able to shine directly into your eyes when you wear sunglasses. Photochromatic lens will transform into original state when you are indoor again. Depending on your budget, you should get a pair of sunglasses that suits you. It should cost the same as the market price. You should avoid buying cheap sunglasses. Cheap sunglasses won’t be able to offer adequate protections for your eyes.