Sunglasses are a cause harm to the human eye to prevent sunlight intense stimulation of vision care products, with the improvement of people’s material and cultural level , but also as sunglasses reflect the personal style of beauty or special jewelry.
Susceptible to improper eye wear sunglasses , cloudy , indoor light and so there is no need to wear dark sunglasses case. Some people , regardless of the occasion, regardless of sunlight intensity , even at dusk, in the evening and watch a movie , also wearing sunglasses television , which will inevitably increase the burden of adjusting the eye , causing muscle tension and fatigue, vision loss , visual blurring , severe dizziness and other symptoms. For the development of the visual system is not perfect babies and children should not wear sunglasses. In addition to glass sunglasses , others wear sunglasses lens material is not high , the user should always pay attention to surface conditions sunglasses , when worn affect clarity , should be replaced.
Buying advice
1 , anti-UV sunglasses feature a misnomer. Good sunglasses polarized lenses can block more than 99 percent of UV rays. Poor wear UV protection sunglasses , his eyes as if seen in the dark matter , then the pupil becomes large, but will be a lot of residual ultraviolet injection in the eye , the eye hurt.
2 , the rate of failure of sunglasses perspective. After wearing , will generate traffic signal recognition barriers , can easily cause accidents.
3 , Sunglasses category identifies unlabeled. Sunglasses are generally divided into three categories, namely for the sun visor mirror, light mirror for decoration and for anti- plane radiation waterproof snow blindness or special glasses.
4 , the fight against performance does not meet the requirements of sunglasses. When the lens is easily broken by external impact , debris would form a lethal damage to the human eye.
