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December 1984

Experimental YAG Laser Sclerostomy

Author Affiliations

From the Department of Ophthalmology, University of Oklahoma College of Medicine, and the Dean A. McGee Eye Institute, Oklahoma City.

Arch Ophthalmol. 1984;102(12):1834-1836. doi:10.1001/archopht.1984.01040031492030

• A Q-switched neodymium-YAG laser was used to produce a corneoscleral perforation in human cadaver eyes. A through-and-through incision could be created solely with the YAG laser at peak pulse energies of 16 millijoules (mj). The minimal total energy required for perforation was 3,312 mJ. However, "optimal" perforation, producing splitting along natural scleral cleavage planes, required 26,676 mJ. Scanning electron microscopy showed the perforations to be clean holes with little debris.