The eyes may be irreparably damaged by exposure to harmful UV rays. Sunglasses are a popular fashion item during the Summer and tend to be worn every day. Yet during the Winter, UV rays are as harmful. We have all seen people squinting into the sun, struggling to overcome the temporary blindness caused by the sun’s harsh rays. Over exposure to the sun can result in eye diseases such as Cataracts; Pinguecula and Macular Degeneration.
A good pair of sunglasses should ideally carry 100% UV protection. For those who are used to wearing good quality sunglasses, exposure to strong sunlight becomes uncomfortable and results in reddened eyes.
For children and teenagers, the sunglasses should be reinforced by wearing a hat for additional shade. Sunglasses should be introduced as early as possible and young children should be trained to wear them for eye protection as soon as they are able to understand why. A good pair of quality wraparound sunglasses is ideal for adults too as they filter sunlight from the side and above, as well as head on.
Fashionable sunglasses from designer houses tend to command rather a high price. To keep up with fashion trends, some people compromise quality and invest in sunglasses that offer little or no UV protection. These sunglasses are of no protective value and cause further damage by fooling the wearer that the sun is being effectively filtered. They are made from poor grade plastic and have no effective filtering qualities, so UV rays happily do their worst all through the Summer. These types of sunglasses should be avoided.
It is far better to choose a pair of ‘neutral fashion’ sunglasses that have a chance of holding their fashion for a few seasons, rather than risk damaging your eyes with cheap designer copies that tend to break easily and last only long enough to seriously damage your eyes.
In addition to UV rays, (HEV) radiation, or blue light, has lower energy than UV. They penetrate deep into the eye, causing considerable retinal damage. UV and HEV levels are higher when the sun is strongest, from 10.00 until 14.00. When there is a reflective surface, the rays are even more damaging, for example the reflection of sun on sea or snow and ice; the kind of conditions that are ideal for water sports and skiing.
Wearing protective sunglasses and where necessary with the appropriate prescription, is not only advisable; it is imperative to preserve eye health for both children and adults.
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