Journal of the Korean Ophthalmological Society 1991;32(3):274-280.
Published online March 1, 1991.
Hue Discrimination and Contrast Sensitivity Deficits in Diabetic Subjects With and Without Retinopathy.
Hwan Gyoo Kim, Chin Seong Yoo, Warne Huh
Department of Ophthalmology, Kangnam St. Mary's Hospital, Catholic University Medical College, Seoul, Korea.
당뇨병성 망막증의 유무에 따른 Hue Discrimination 과 Contrast Sensitivity 변화에 대한 연구
김환규(Hwan Gyoo Kim),유진성(Chin Seong Yoo),허원(Warne Huh)
In an attempt to assess the evidence of abnormal central vision before the development of either overt retinopathy or a reduction in visual acuity in patients with diabetes mellitus, hue discrimination and ccntrast sensitivity were tested in diabetic patients with background diabetic retinopathy(N=57) or no-retinopathy(N=28). The results were as follows: 1. There were statistically significant differences in the mean square root of total error score, blue-yellow and red-green partial error score between the normal controIs, the no-retinopathy group and the background diabetic retinopathy groups, respectively(P<0.001). 2. In the no-retinopathy group contrast sensitivity was decreased in high spatial frequency only in comparison with the normal controls. On the other hand, in the background diabetic retinopathy group contrast sensitivity was decreased in all spatial frequency in comparison with the normal controls and the no-retinopathy group(P<0.05). 3. The proportion of diabetic patients with statistically significant color vision and contrast sensitivity deficits in the no-retinopathy and the background diabetic retinopathy groups were 3.6% and 38.6% respectively.
Key Words: Background diabetic retinopathy;contrast sensitivity;hue discrimination;no-retinopathy

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