Articles about visiogram (0-1 of 1)

  • What Is Contrast Sensitivity And How Is It Measured?
    By: Daniel Beasley | - Often when you know something is happening to your eyesight, it can be a confusing situation. You could have had normal vision for most of your life, and then suddenly you cant see facial expressions, or the contrast between dark things becomes almost invisible. When this happens, it may be a sign of a cataract forming, as contrast sensitivity seems to be affected with the onset of cataracts. In this article we will discuss what is contrast sensitivity and how is it measured.

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