Sit in your normal working position and measure the distance from the bridge of your nose to your screen. 2. Choose the Right Lens Type
These "extended readers" have a top zone for the screen and a bottom zone for close-up reading, allowing you to switch tasks without changing glasses. how to buy reading glasses for computer
Buying computer reading glasses requires focusing on three key factors: , lens power , and protective coatings . Unlike standard readers designed for books (about 40 cm away), computer glasses are optimised for the "intermediate zone" (60–70 cm), which is usually an arm's length. 1. Determine Your Power (Diopters) Sit in your normal working position and measure
If you know your standard reader power, subtract 0.50 to 0.75 diopters for computer use. how to buy reading glasses for computer