Abstract
Visual acuity, color vision, pattern-visual-evoked-potentials (P-VEPs) and pattern-electroretinograms (P-ERGs) were measured in 13 diabetic subjects before, and 24 hours and 5 weeks after blue-green argon laser treatment. As control, the same examinations were performed in 7 normal subjects and 7 diabetic patients before and after slit lamp examination with the Goldman three mirror contact lens.
Visual acuity and P-ERG amplitudes were significantly reduced one day after the laser treatment, while 5 weeks after the laser coagulation, visual acuity and P-ERG amplitudes recovered to pretreatment values. The control group showed no significant changes after slit lamp examination. Since fluorescein angiography revealed no macular changes after laser treatment, the possibility of a reversible functional light damage after blue-green argon laser coagulation (ALC) is discussed.
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This study was supported by the “Medizinisch - Wissenschaftlicher Fonds des Bürgermeisters der Bundeshauptstadt Wien”.
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Gottlob, I., Prskavec, F.H., Stelzer, N. et al. Reversible changes of visual acuity and pattern-electroretinograms after blue-green argon laser photocoagulation of diabetic patients. Doc Ophthalmol 72, 105–113 (1989). https://doi.org/10.1007/BF00156700
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DOI: https://doi.org/10.1007/BF00156700