Latest predictive factor for glaucoma
Quantitative analysis of colour vision defects provides the possibility of follow-up and may be a useful means for detecting early glaucomatous changes in patients with normal visual fields.
Quantitative analysis of colour vision defects provides the possibility of follow-up and may be a useful means for detecting early glaucomatous changes in patients with normal visual fields, according to recent research conducted at the Department of Ophthalmology at the University of Athens.
Ninety nine eyes of 56 patients with ocular hypertension without visual field defects and no hereditary colour deficiencies were followed up for four to six years. Colour vision defects were studied using a computer programme for Farnsworth-Munsell 100 hue test and visual field tests were performed with Humphrey analyser using programme 30-2. The tests were repeated every six months.
Fifty six eyes developed, during the course of the study, visual field defects which were attributed to glaucomatous changes, while the other 43 eyes showed no functional or anatomical changes.
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