Pros and Cons of Progressive Lenses | 合法醫療器材資訊網

2020年6月27日—Peoplewhodoalotofcomputerworkmaybenefitfromcomputerglasses,asubsetofprogressivesthatdevotemorespaceonthelensto ...

Your eyes change as you age. When you reach your 40s[1], dont be surprised if it becomes difficult to adjust your focus between a book, a website on a computer screen and the conference room whiteboard. Progressive lenses are growing in popularity among people who need help seeing near, far and in-between.

These eyeglasses[2] have seamless increase in magnification from the top to the bottom of the lens, helping you see clearly at all distances with just one pair of glasses. You look through the top portion of the lens to see far-away objects, the middle to focus on intermediate objects and the bottom to see things close-up. The prescription changes little by little across the lens surface, providing a gentle transition. 

This may be especially useful to people who wear single-vision eyeglasses for distance (due to nearsightedness[3], far...