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Safety of high-energy neodymium: YAG laser pulses in YAG sclerostomy

โœ Scribed by Wayne F. March; Tseggai Gherezghiher; Robert P. Shaver; Michael C. Koss; Robert E. Nordquist

Publisher
John Wiley and Sons
Year
1987
Tongue
English
Weight
518 KB
Volume
6
Category
Article
ISSN
0196-8092

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โœฆ Synopsis

YAG sclerostomy was performed in 15 eyes of nine cynomolgus monkeys. Individual pulse energies ranged between 10 and 135 millijoules. Total pulse energy ranged between 2,000 and 36,000 millijoules in order to test the extreme range of energy that might be. required. Both acute effects and chronic effects were studied in the corneal endothelium, the lens capsule, the iris, the ciliary body, the retina. and the sclera. Techniques included flat preparations of the corneal endothelium, paraffin sections for light microscopy, and scanning and transmission electron microscopy. Our conclusion is that individual pulse energies of up to 135 millijoules with a total of up to 36 joules of energy are safe in monkey eyes when performing YAG sclerostomy.

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