BACK PROJECTION VISUAL FIELD TESTER

摘要

One embodiment of the present invention is a visual field tester that includes: (a) a projection screen; (b) a stimulus projectionsystem that projects a light source onto a first side of the projection screen; (c) a background projection system that projects a background light onto the first side of the projection screen; and (d) a magnifier lens system disposed on a second side of the projection screen that directs light transmitted through the projection screen to a predetermined location.