Photocoagulation as introduced by Meyer-Schwickerath1 in 1954 was a revolutionary advance of unquestioned value to ophthalmology but one with definite limitations to its usefulness. The investion of the laser gave us a new source and kind of light.2 This kind of light applied to photocoagulation promises to extend its usefulness.
Laser coagulation is not the same thing as ordinary photocoagulation arranged in a more convenient package. It has its own characteristic properties, some of which are advantageous, and some of which are not. In addition, a number of question marks exist concerning laser coagulation which only time, trial, and experimentation will answer. In the short period since 1960 when the first laser was fired, a number of workers3-5 have used lasers to produce retinal coagulation, the first being Zaret et al.
In conjunction with N. Kapany, N. Silbertrust, and N. Peppers of Optics Technology, Inc., we have
FLOCKS M, ZWENG HC. Laser Coagulation of Ocular Tissues. Arch Ophthalmol. 1964;72(5):604–611. doi:10.1001/archopht.1964.00970020604005
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