• What Can You See in the Dark? The Effects of Contrast, Light, and Age on Contrast Sensitivity in Low Light
    Author:
    Kathryn Virostek and Brittany Franckowiak
    Focus:
    ,

    25 April 2014 1:22 PM |

    Many of us take our vision for granted, but rarely do we measure how well we can see. In this study, the authors investigate the ability of people of different ages to read progressively fainter letters in dark light. They find that the ability to see in dim light drops drastically after age 30. The ability to read fainter letters worsens after age 30 as well. These findings should help inform lighting decisions everywhere from restaurants to road signs.

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