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Japanese

Pupillary responses before and after panretinal photocoagulation for diabetic retinopathy Atsushi Fukuda 1 , Kosuke Ogasawara 2 , Yuzuru Yoshimura 1 , Kazuhiro Takahashi 1 , Satoko Nakajima 1 , Yutaka Tazawa 1 1Dept of Ophthalmol, Sch of Med, Iwate Med Univ 2Iwate Prefec. Central Hosp. pp.1133-1136
Published Date 1990/7/15
DOI https://doi.org/10.11477/mf.1410900292
  • Abstract
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We tested pharmacological pupillary responses in 20 eyes in 10 patients before and after panretinal photocoagulation with green argon laser for diabet-ic retinopathy in its preproliferative stage. Before photocoagulation, the eyes were supersensitive to topical instillation of 1.25% epinephrine and re-sponded with prompt mydriasis. The response to topical 0.125% pilocarpine was negligible. One to 3 months after photocoagulation, the pupillary response to topical epinephrine was less marked. Marked miosis resulted after instillation of 0.125% pilocarpine. The observed sensitivity to par-asympaticomimetic agents at low concentration appeared to he secondary to impairment of para-sympathetic nerve fibers by photocoagulation resulting in denervation in sphincter muscles.


Copyright © 1990, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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