Do you know with the exception of harmful diseases there are radiations in the world that can be extremely lethal for your eyes? Well, those harmful radiations are UV rays. Scientist most raptly uses the word “epidemic” to signify the importance of this deadly rays. In simpler terms, UV rays can be considered as the component of solar radiation. Interestingly, the month of May is commended as UV awareness month throughout the world. Different forms of eye cancer happen as a result of UV rays. Children eyes are exceptionally delicate and they have a higher risk of becoming prone to lethal ailments caused by UV rays. For understanding more about the UV radiation let us look into the types of UV rays first.
TYPES OF UV RAYS
There are mainly three types of UV rays.
- UV-A rays: This type of ray is extremely harmful to central vision and it damages macula of the eye.
- UV-B rays: UV-B rays are the primary source for causing the cataract in the eyes. They are the most harmful rays in all of the three types.
- UV-C rays: It does not cause any harm to the eyes.
The ozone layer has become thin due to human’s anti-earth activities and as a result of depletion of ozone layer, it provides the passage to the harmful UV rays to pass into the earth and result in eye ailments.
EFFECTS OF UV RAYS
Amid peak hours of the sun that is from 10 am to 3 pm, UV rays are at their dangerous level and can cause more damage to the eyes. According to a research by WHO, until the age of 18, an individual has received 80% of lifetime exposure to UV rays. The infections that result from UV rays are as follow:
PTERYGIUM: A pink layer tends to form on the white part of your eye. It is non-malignant but often exploits your outlook and can obscure your vision.
CORNEAL SUNBURN: It is basically inflammation of the cornea and is fundamentally alluded as photokeratitis. It is the excruciating condition which results from extended hours of skiing and long exposure to the sun without wearing protected eyewear. Its worst form can result in being snow blind. The main type of UV rays behind this infection is UV-B rays.
PHOTOCONJUNCTIVITS: It is the painful condition of the eyes which results in inflammation of the conjunctiva. It results due to a few hours of exposure to the harmful UV-B rays.
CATARACT: Cataract, mainly known as clouding of the eye occurs as a result of the exposure to the UV-B radiation. According to the report by WHO, 20% of the cataract in the world occurs due to exposure to UV radiation.
EYE CANCER: Melanoma, the cancer of the eyeball primarily occurs in the eyeball and predominately occurs due to the prolonged exposure to the UV radiation. Melanoma often requires surgery for evacuation.
MACULAR DEGENERATION: It is related to age-related blindness and can result in damage to the retina. Divulgence to the UV radiation can result in macular degeneration.
Nobody is spared from UV radiation. They are completely imperceptible but can do colossal damage to your eyes. UV rays are noteworthy in the places which are near the equator. The intake of birth control pills and tetracycline can increase sensitivity to UV rays. Staying indoors during peak hours is the best solution for shielding yourself from these fatal rays. But if you have to spend time outdoor make sure your wear glasses online that have special capability of protecting your eyes from UV-A and UV-B rays. For purchasing these glasses frames you can visit EYEWEB. You can also protect your eyes with hats and sunglasses.