Lindner H, Behrens-Baumann W
Klinik und Poliklinik für Augenheilkunde, Universität Otto von Guericke, Magdeburg.
Ophthalmologe. 1995 Apr;92(2):137-41.
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.
对41例因年龄相关性黄斑病变、糖尿病视网膜病变或开角型青光眼导致视力低下的患者进行了对比敏感度研究，大多数患者采用VISTECH测试和Buser LCS测试。VISTECH测试显示对比敏感度降低，尤其是在高频时。这种降低在糖尿病视网膜病变患者中尤为明显。受试者调整了彩色电视显示器的对比度。患者选择黄色和绿色显示器的频率相同。更喜欢正对比度（浅色背景上的黑色文本）。所需的对比度明显高于正常视力受试者所需的对比度。
