Sunglasses & UV Rating - Need To Protect Your Eyes Against UV Rays
Buy Sunglasses that gives 100% UV protection.
When you buy sunglasses, it is important to know if the selected pair offer maximum or 100% UV protection. Ideally, your sunglasses should be capable of fulfilling the following features;
Its lenses should block 100% of UVA (long-wave) rays and UVB (short-wave) rays
Lenses meet ANSI Z80.3 blocking requirements, as per the American National Standards Institute
UV 400 protection, it blocks even the smallest UV rays.
Go for bigger shades; it protects the maximum area around your eyes.
The lens color also matters; darker lenses aren’t necessarily the most protective. Know your requirements and accordingly select the lens color.
Remember, polarized lenses cut glare, not UV
The harmful UV rays emitted from the sun can damage our eyelids, cornea, and skin around our eyes. These problems can further lead to macular degeneration and cataracts. Therefore, you must select 100% UV protected lenses against both UVA & UVB rays.
It is advisable to avoid buying sunglasses that don’t provide details about the UV protection rating.
Various eye problems caused due to sun rays includes;
Cancer of the eye membrane
Sunburn of the cornea
Inability to look at bright objects
Cloudiness of the cornea
Too much blinking
Skin Cancer of the eyelids
The growth of the conjunctiva on the cornea
There are different types of lenses that can effectively help you protect your eyes.
Blue-light blocking lenses
The blue-light blocking lenses make it easier to see distant objects and help in preventing excessive light which is why they are so famous with skiers and hunter.
This type of lens reduces glare from the sunlight by making images appear sharper and brighter. They are available in both prescription sunglasses and non-prescription sunglasses so that you can it can be worn indoors by light-sensitivity people. Most polarized lenses provide UV protection, which is essential to maintain healthy eyesight.
Photochromic lenses automatically darken when exposed to bright sunlight. These lenses eliminate the need for carrying a separate pair of sunglasses. These lenses are available in bifocal, high-index lenses, and photochromic lenses.
These are high-impact resistance lenses are a good choice if you have an active work life or if you are an athlete, where your glasses could be easily damaged. These lenses have a built-in UV protection.
Mirror-coated Lenses or reflectors
Mirror lens coating are lenses with a reflective optical coating on the outer side of the lens to that makes them appear like mirrors. They are helpful in reducing visible light.
Not all sunglasses are capable of blocking the harmful UV rays.
Ask your doctor for recommendations about lenses that block UV rays.