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  • Title: [Contrast sensitivity of visually handicapped patients].
    Author: Lindner H, Behrens-Baumann W.
    Journal: Ophthalmologe; 1995 Apr; 92(2):137-41. PubMed ID: 7780271.
    Abstract:
    The contrast sensitivity of 41 patients with low visual acuity, as a result of age-related maculopathy, diabetic retinopathy or open-angle glaucoma, in most of them, was studied by means of the VISTECH test and the Buser LCS-test. The VISTECH test revealed reduced contrast sensitivity, especially at high frequencies. This reduction was marked in patients with diabetic retinopathy. Contrast on the color TV monitor was adjusted by the subjects. Yellow and green monitors were chosen equally often by the patients. A positive contrast (black text with light background) was preferred. The contrast required was noticeably higher than that required by subjects with normal eyes.
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