I f your job involves sitting in front of a screen all day, there’s a good chance your eyes are paying the price. After hours ...

If the lens of your camera is not clean, you will see blurry or fuzzy images and videos. If your webcam supports the autofocus feature, make sure that it is disabled in your camera settings.

Getting light to hit our retinas depends on different parts of the eye working together. First, the light goes through the ...