| Histopathological Study for Chronic Photic Retinal injury After Atropinization for a Long Time. |
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Young Soon Park, Ho Kyung Lee |
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Deparment of Ophthalmology, Inje Medical College, Seoul, Korea. |
| 아트로핀 장기점안에 의한 실험적 만성망막 광독성에 관한 조직병리학적 관찰 |
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박영순(Young Soon Park),이호경(Ho Kyung Lee) |
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| Abstract |
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The damaging effect of radiant energy to retina as observed in eclipse retinopathy, photocoagulation and laser burn was always considered the result of thermal coagulation. Pnly recently was it suspected that chronic exposure to radiant energy of low intensity may also damage the retina by mechanisms that may differ from simple transformation of light energy into heat. We suspected that long exposure to natural light through the atropinized pupil at penalisation treatment may damage the retina. So, atropinized rabbits will be exposed to more amount of light through dilated pubil and such a possibility led to speculation that some of maculopathy observed in atropinized man may be related to photic damage produced by chronic exposure to light of relatively low intensity. Therefore, we studied the changes in postesior pole histopathologically by light and electron microscopy after long exposure to natural light through dilated pupil. |
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