When choosing sunglasses, you should choose the ones with two filters, ultraviolet and polarized. News.ru ophthalmologist Anastasia Ignatchik.
“The meaning of sun protection is not just that it does not blind. and UV protection. It is harmful: cataracts, age-related macular degeneration, retinal diseases of a different nature develop. First of all, you need to protect yourself from ultraviolet radiation, ”the expert said.
The polarizing filter can remove blinding glare, which is beneficial for drivers, fishermen or skiers. According to him, ordinary dark glasses without filters cause pupil dilation. This makes the eyes more vulnerable to ultraviolet radiation.
“In any private salon there is a device that controls the glasses for protection, they can check you in front of you. It is better to buy there. Solar radiation sector up to 380 nanometers is harmful, above 400 – visible light is not harmful. As a rule, glasses come with protection marks of 350-380-400 nanometers. And dark glasses purchased for only 300 rubles in the pass will not bring any benefit, ”added Ignatchik.
Former ophthalmologist at the clinic of Academician Roitberg Irina Khegay He insisted Wear sunglasses all year round, as the eyes are exposed to UV rays in bright sunlight all seasons.