CORNEAL DAMAGE THRESHOLDS FOR CO2 LASER RADIATION

被引:46
作者
PEPPERS, NA
VASSILIADIS, A
DEDRICK, KG
CHANG, H
PEABODY, RR
ROSE, H
ZWENG, HC
机构
[1] Stanford Research Institute, Menlo Park, CA
关键词
D O I
10.1364/AO.8.000377
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A gaussian beam from a CO2 laser emitting at 10.6 μ was used to measure damage thresholds on rabbit cornea at exposure times of 55 msec, 10 msec, and 3.5 msec. A theoretical model of the radiation-tissue interaction is presented and compared with experimental data. The comparison suggests that a critical temperature exists above which lesions are caused by protein denaturation. The model is useful for establishing safe exposure levels within a limited exposure range. © 1969 Optical Society of America.
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页码:377 / +
页数:1
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