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Young Joo Shin, Kyu Hyung Park, Jeong-Min Hwang, Won Ryang Wee, Jin Hak Lee, In Bum Lee, Joon Young Hyon; A Novel Color Vision Test for Detection of Diabetic Macular Edema. Invest. Ophthalmol. Vis. Sci. 2014;55(1):25-32. doi: 10.1167/iovs.13-11698.
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© ARVO (1962-2015); The Authors (2016-present)
To determine the sensitivity of the Seoul National University (SNU) computerized color vision test for detecting diabetic macular edema.
From May to September 2003, a total of 73 eyes of 73 patients with diabetes mellitus were examined using the SNU computerized color vision test and optical coherence tomography (OCT). Color deficiency was quantified as the total error score on the SNU test and as error scores for each of four color quadrants corresponding to yellows (Q1), greens (Q2), blues (Q3), and reds (Q4). SNU error scores were assessed as a function of OCT foveal thickness and total macular volume (TMV).
The error scores in Q1, Q2, Q3, and Q4 measured by the SNU color vision test increased with foveal thickness (P < 0.05), whereas they were not correlated with TMV. Total error scores, the summation of Q1 and Q3, the summation of Q2 and Q4, and blue-yellow (B-Y) error scores were significantly correlated with foveal thickness (P < 0.05), but not with TMV.
The observed correlation between SNU color test error scores and foveal thickness indicates that the SNU test may be useful for detection and monitoring of diabetic macular edema.
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