Progressive Lenses | 合法醫療器材資訊網

2020年3月17日—DrawbacksofProgressiveLenses...Ittakestimetoadjusttoprogressives.Youneedtotrainyourselftolookoutofthelowerpartofthelens ...

Youve passed your 40th birthday, and youre having trouble reading or seeing objects up close. Maybe youve tried to carry store-bought readers around with you, but your eye doctor suggests progressive lenses. Should you take the plunge?

Progressive lenses have three prescriptions in one pair of glasses. That allows you to do close-up work (like reading a book), middle-distance work (like checking out a website on a computer), or distance viewing (like driving) without needing to change your glasses. Theyre sometimes called multifocal lenses.

Progressive lenses are an update on bifocal and trifocal lenses. Both of these more traditional types of glasses have telltale lines in the lenses. Progressives have a seamless look. Sometimes theyre called "no-line bifocals," but thats not quite right. It would be more accurate to call progressive lenses "no-line trifocals."

Almost anyone with a vision problem can wear these lenses, but theyre typically needed by people over ag...