Threshold energies and probability of damage curves for retinal damage by Q-switched ruby laser operating in the TEM sub oo mode were determined in the Rhesus monkey. Threshold values were established for both a 3 mm and 8 mm diameter beam which produced estimated retinal spot sizes of 40 microns and 70 microns. The ophthalmoscopic 50% probability of damage was 16.9 and 24.7 microjoules entering the eye for 3 mm ...
The Redwing study was designed to furnish sup plemental information on the requirements for protection against retinal burns utilizing both rabbits and monkeys as experimental animals. Chorioretinal burns were produced by various seg ments of the thermal pulse. This was accomplished by two series of time-fractionating shutters. The first group, the early-closing shutters, were open at time zero and closed at increasing inter vals of time. The second series, the ...
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