Abstract

Standards for safe use of lasers like those of the American National Standard Institute (ANSI) do not give specific guidelines regarding the safety norms for a Maxwellian view laser scanning device (for example, the scanning laser ophthalmoscope). In this note it is shown that a pulsed extended source ocular exposure system, which is described by the ANSI standards, can be used as a conservative model of such a laser scanning device. With some adjustments to this model, the Maxwellian character can be included and the maximum permissible corneal power also can be normalized independently of the field size.

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