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Sunglasses have been synonymous with dual features, such as providing protection for eyes and to present a fashion statement. We all know that the sunglasses are manufactured to protect the human eyes against the harmful UV Rays but with time have also become really stylish and they are also touted as the ‘cool’ thing. However, after prolonged usage everything should be changed and sunglasses are also not an exception. Given below are five reasons that would let you know that it’s about time for you to change your sunglasses and get a pair of new ones. The main function of the sunglasses is to protect your eyes and surrounding areas, against harmful UV rays, when you are outdoors during summer. However, in case you are getting hurt by the UV rays even if you are wearing your glasses it just indicates that it’s time for you to change your glasses. The glasses might just get a little scratched and cannot be removed and if such a situation arises you are bound to change that pair of glasses no matter how dear they are to you. The sunglasses that are cracked should never be worn as by chance some of the broken glasses might hurt the eyes severely. The old pair of sunglasses that are damaged and worn after a daily usage should never be worn since they would be totally useless against the sun’s rays. The sunglasses are made of glasses that are amorphous and they are generally pseudo-solid or super cool liquid. With time and with usage the glass starts to ‘flow’ very slowly almost like that of a liquid thus the bottom part of the sunglasses become thicker while the upper portion of the same become brittle and may break anytime.
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