Test your eyesight without a trip to the eye doctor? Online vision tests aim to make it possible. Several companies offer tests that you can take on the internet with your computer or smartphone.
Our ability to see with color vision depends on the presence and function of light-sensing pigments in the cones of our eyes. Color blindness, or color vision deficiency, happens when one or more of ...
Making time to catch the latest Netflix hit? Easy. Making time to visit the eye doctor? Surprisingly difficult. Enter: Online eye exams — because if you can do it from your couch, why wouldn’t you?
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