UV radiations are one of the primary causes of eye disorders throughout the world, but most often eye disorders occur gradually that’s why people are unable to identify the cause of their eye disorders. Among the different types of eye disorders, cataract and skin cancer are some major eye disorders that can become severe if left unchecked. Most often UV rays reflected back from sand, water and snow are responsible for affecting the soft tissues and internal region of the eye. According to World Health Organization (WHO), overexposure to UVB rays is a major risk factor for cataract development.
Even a short exposure to UV rays can be painful and cause acute effects including photokeratitis and photoconjunctivitis. Therefore, it is important to secure the eyes using sunglasses that are specifically designed using high quality lenses that are able to block the harmful radiations effectively. Usually, there are five different types of lenses that are manufactured for specific eye disorders. Lenses are responsible for the absorption of ultra violet radiations. So, if you are planning to buy sunglasses you need to check out their lenses properly to ensure their UV blocking ability.
Lenses that are used in sunglasses are listed below:
Polarized lenses:
These lenses are specifically designed to reduce glare and improve visual clarify. Polarized lenses are most often used during outdoor activities to reduce the intensity of sunlight rays. Remember, polarized lenses are not effective n blocking UV rays unless they are treated with UV coating.
Blue-blocking lenses:
Blue-blocking lenses are manufactured to increase the visibility of distant objects during low light. But, all the blue-blocking lenses are not effective in blocking UV rays. So, you need to check out its UV blocking ability before buying one.
Mirror-coated lenses:
These lenses are designed to block visible light but are not effective in blocking UV radiations.
Photochromic lenses:
Photochromic lenses are effective in reducing glare like polarized lenses, but it requires more time to adjust to different light environments. You must also check its product label to determine its UV blocking ability, because all the photochromic lenses are not effective blocking ultra violet radiations.
Polycarbonate lenses:
These lenses are specifically designed to secure eyes from external injuries and UV rays. During outdoor activities, sunglasses with polycarbonate lenses can be a perfect shield for your eyes.
Before, choosing the sunglasses check out the lenses feature to avoid unnecessary regrets later. Apart from securing the eyes, sunglasses are also renowned as a stylish accessory throughout the world. Now, people have even started to purchase wholesale sunglasses in packages that might consist of 12 different styles of sunglasses to enhance their outlook.
Domenic Masiello is the President of Mass Vision Wholesale Sunglasses. All information provided is based on Domenic’s personal and business experience.