How can you choose a suitable sunglasses? Nanyang Eye Optometry Hospital staff told reporters that the selection of sunglasses to see the filtering effect of ultraviolet light, pay attention to the UV index on the glasses hanging plate. At present, the UV index of most sunglasses is between 96% and 98%. Dark lenses are better than light lenses.
Old people, office workers, children, drivers, myopia, and so on, different groups of people choose sunglasses are fastidious. For example, the old man had better choose a gray lens. Because the gray can reduce the proportion of red orange, yellow, green, blue and purple, wearing a cloudy day feel. The office worker, the color of the lens is not too deep. Dark lenses make the pupils enlarged naturally and the muscles tense, which is not suitable for long-term eye fatigue workers. In particular, children under 6 years old, it is best not to wear sunglasses, this age, retinal dysplasia, long-term wearing sunglasses can lead to amblyopia. The people of myopia choose discoloration glasses with degrees. It can not only correct eyesight but also prevent strong light. The driver had better choose sunglasses.
The ophthalmologist told reporters that people with some eye diseases can’t wear sunglasses, for example, when people with angle glaucoma wear sunglasses, the light stimulation decreases, the pupil enlargement, the poor excretion of water in the eye may lead to an increase in intraocular pressure, and symptoms such as swelling pain, blurred visual substance, nausea and headache, etc. Patients with neuritis, color blindness and low vision caused by various reasons can not wear sunglasses.