Journal of the Korean Ophthalmological Society 1992;33(5):495-500.
Published online May 1, 1992.
Pupillary Dilatation with Mydriatics in Diabetic Retinopathy.
Byung Hwa Jung, Si Yeol Kim
Department of Ophthalmology, College of Medicine, Kyung-Pook National University, Taegu, Korea.
당뇨병성 망막증 환자의 산동효과
정병화(Byung Hwa Jung),김시열(Si Yeol Kim)
Abstract
As the number of diabetic patient increases, it is important to manage diabetic retinopathy. Clinically sufficient pupillary dilatation should be obtained for fundoscopic examination and laser photocoagulation theraphy of diabetic patient but we experienced insufficient and delayed pupillary dilatation after instillation of mydriatics. In order to examine abnormality of pupillary dilatation and its relationship to the stage of diabetic retiniopathy, the course of pupillary diameter was measured with Haab's pupillometer after instillation of one drop of 1% Mydriacyl(R) and 2.5% Mydfrin(R) in 72 patients with diabetes mellitus (40-69 years old) and 11 normal controls (40-69 years old). The following results were obtained. After instillation of 1% Mydracy(R), the maximum pupillary diameter was smaller in diabetic retinopathy group than in controls. As the severity of diabetic retinopathy was increased, maximum pupillary diameter was decreased. After instillation of 2.5% Mydfrin(R), the delay of the average time to reach maximal mydriasis in diabetic group was larger than that in controls. This delay was proportional to the severity of diabetic retinopathy. Therefore it was considered that the abservation of the course of pupillary diameter after instillation of mydriatics would be useful for diagnosis of the severity of diabetic retinopathy.
Key Words: Diabetic retinopathy;2.5% Mydfrin(R);1% Mydriacyl(R)


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