The color content of white light passing through a tinted lens is altered. Optometry needs to be concerned by this fact since a change in color content can alter an individual's color recognition skills. Spectral transmission analysis was performed on 12 different shades of tints for plastic ophthalmic lenses. Graphs of the data are given. Pink and grey altered light content the least. Brown caused moderate changes while blue and green caused the greatest changes in the color content of light transmitted.
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