REVIEW - MEDIATION OF THE OCULAR RESPONSE TO INJURY

被引:28
作者
UNGER, WG
机构
[1] Departments of Ophthalmology and Physiological Sciences, University of Manchester, Manchester Royal Eye Hospital, Manchester
来源
JOURNAL OF OCULAR PHARMACOLOGY | 1990年 / 6卷 / 04期
关键词
D O I
10.1089/jop.1990.6.337
中图分类号
R77 [眼科学];
学科分类号
100212 ;
摘要
The structures of the anterior segment of the eye provide aqueous humour for metabolic traffic, regulation of intraocular pressure and the maintenance of a functional permeability barrier to separate internal compartments from general systemic influences. Irritative and injurous insults to the eye elicit an acute defensive miotic and vascular response which upsets the aqueous dynamics and provokes the influx of blood plasma proteins into the aqueous chambers. These events are initiated by antidromic activation of sensory elements within the anterior segment, releasing substance P and calcitonin gene-related peptide (CGRP) which, in lower mammals at least, stimulate respectively the miotic and vascular reactions. Considerable species differences can be found in the responsiveness of the eye to injury and in the effects of exogenous CGRP and substance P.
引用
收藏
页码:337 / 353
页数:17
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