Azad R, Mondal A K, Arora R, Tewari H K
R.P. Centre for Ophthalmic Sciences, New Delhi.
Indian J Ophthalmol. 1990 Jan-Mar;38(1):4-6.
Twenty patients with Rhegmatogenous retinal detachment were subjected to applanation tonometry and Corneal Thickness measurement to ascertain (i) the change in central & peripheral corneal thickness and (ii) effect of Intra Ocular Pressure on these corneal changes. Twenty age and sex matched controls also underwent similar investigation. It was observed that both the mean Intra Ocular Pressure and the corneal thickness (both Peripheral Corneal Thickness and Central Corneal Thickness] of the affected eye showed statistically significant reduction (P 0.001) when compared to Intra Ocular Pressure and Corneal Thickness changes of fellow-eyes and eyes of control subjects. In addition to these even the fellow eyes which had normal Intra Ocular Pressure, showed statistically low Central Corneal Thickness measurement, when compared with controls. In view of the above observation and reduction in Corneal Thickness measurement, the present study indicates generalised corneal changes in Rhegmatogenous retinal detachment unrelated to intraocular pressure.
对20例孔源性视网膜脱离患者进行了压平眼压测量和角膜厚度测量,以确定:(i)中央和周边角膜厚度的变化;(ii)眼压对这些角膜变化的影响。20名年龄和性别匹配的对照者也进行了类似的检查。结果发现,与健眼和对照者眼睛的眼压及角膜厚度变化相比,患眼的平均眼压和角膜厚度(周边角膜厚度和中央角膜厚度)均有统计学意义的降低(P<0.001)。除此之外,即使眼压正常的健眼,与对照者相比,其中央角膜厚度测量值在统计学上也较低。鉴于上述观察结果以及角膜厚度测量值的降低,本研究表明孔源性视网膜脱离存在与眼压无关的全身性角膜变化。