EOG CHANGES IN PHOTOCOAGULATION OF DIABETIC RETINOPATHY

Abstract
Ten patients with bilateral, proliferative diabetic retinopathy and normal visual acuity in both eyes received photocoagulation in one eye by argon‐laser. Electrooculography (EOG) was performed on the day before, the day after, and 6—8 weeks after the photocoagulation. The pre‐treatment Arden coefficient was reduced in all patients. After the photocoagulation an immediate reduction in the Arden coefficient occurred remaining unchanged for 6—8 weeks after treatment. The untreated eye showed an unchanged Arden coefficient during the observation period, not differing from the EOG in the treated eye before the photocoagulation.

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