大部分中老年人对眼睛保健的关注度不够,随便买副老花镜凑合着用。而普通老花镜在光学原理上存在严重缺陷,只能近距离阅读,不能中远距离同时兼顾,长时间佩戴有眼睛酸胀、干涩、流泪、头痛等症状,长此以往还会加深老花眼的度数。“看近戴看远摘”的老花镜,让人觉得很不方便,而双光眼镜,则因存在像跳现象和明显区别普通眼镜的外观让人深感尴尬,很多中年人从形象上和心理上不愿意接受。近几年,很多人了解接受并使用渐进多焦点镜片。渐进多焦点镜片是一种 Most of the elderly in the eyes of the health care is not enough attention, just buy a pair of reading glasses make do with. Ordinary reading glasses in the optical principle there are serious flaws, only close reading, can not take into account the long-distance, long time to wear eye soreness, dryness, tearing, headache and other symptoms, the long run will deepen the degree of presbyopia. “Look close to see far picks,” the reading glasses, people find it very inconvenient, and bifocal glasses, because of the phenomenon of jumping and obviously distinguish the appearance of ordinary glasses makes people deeply embarrassed, many middle-aged Image and psychological do not want to accept. In recent years, many people know to accept and use progressive multifocal lenses. Progressive multifocal lenses are one type