Ophthalmologica. Journal international d'ophtalmologie. International journal of ophthalmology. Zeitschrift fur Augenheilkunde · 2000
Ultrasound biomicroscopic analysis of the human ciliary body after 1 and 2% pilocarpine instillation.
Сравнительное исследованиеСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Arakawa A, Tamai M
Аннотация
We examined ciliary body thickness (CBT) of 11 human eyes after 1% followed by 2% pilocarpine instillation using ultrasound biomicroscopy. The examination revealed that CBT decreased in 2 eyes after 1% pilocarpine treatment but increased after 2% pilocarpine. In the eyes with decreased CBT by 1% pilocarpine, the pretreatment ciliary bodies were thicker and the changing rate of CBT induced by 2% pilocarpine, although not decreased, was also smaller than that in CBT-increased eyes. These findings showed that the ciliary body was under relatively strong stimulus of endogenous acetylcholine and has subsensitivity to both 1 and 2% pilocarpine in CBT-decreased eyes. Configurative changes in CBT-decreased eyes may be explained by the localization of different muscarinic receptor subtypes in different portions of the ciliary muscle.