Product Code: JLA_9_5_253

Authors:
Erik Viirre
Richard Johnston
Homer Pryor
Satoru Nagata
Thomas A. Furness
Human Interface Technology Laboratory, University of Washington, Box 352142, Seattle, WA 98195–2142, U.S.A.

The Virtual Retinal Display (VRD) is a visual display that scans modulated laser light on to the retina of the viewer's eye to create an image. Maximum permissible exposures (MPE) have been calculated for the VRD in both normal viewing and possible failure modes. The MPE power levels are compared to the measured power that enters the eye while viewing images with the VRD. The power levels indicate that the VRD is safe in both normal operating mode and in failure modes.