AvaOptical.com
About AvaOptical.com
Eyeglasses lens is the most important thing next to the eyeglasses frame. Choosing the right lens ensure that the eyeglass will fit your need. There are many kinds of spectacles including aspheric, photochromatic, and polycarbonate spectacles. An aspheric spectacle is a type of high index lens that is thinner and lighter compare to traditional spectacles. If the aspheric spectacles is used to correct farsightedness, it will be thicker in the middle and thinner on the sides.
