Vol.1 Basic knowledge of eyeglasses

1. How to put on, take off, and put on your glasses 2. How to care for your glasses on a daily basis

Vol.2 What is refractive error?

1. About myopia 2. About hyperopia​ 3. About astigmatism 4.​ About presbyopia

Vol.3 Tips for choosing eyeglasses for people with high myopia

1. Select a lens with a small lens width 2. Be careful of the distance between the eye and the lens 3. Select a double-sided aspherical lens

Vol.4 Story of bifocals
1. Advantages and disadvantages of bifocals 2. How to use bifocals 3. How to choose a frame