System and method for projecting an image onto the retina

Details System and method for projecting an image onto the retina System and method for projecting an image onto the retina

A - Human Necessities

61

B

A61B 3/12 (2006.01) A61B 3/125 (2006.01) A61B 5/0496 (2006.01)

Patent

CA 2086746

2086746 9203088 PCTABS00010 A pattern ERG (PERG) projector includes a coherent light source (32) for generating a projection beam, modulation optics (34) for modulating the projection beam with an alternating ERG interference pattern (with a selected spatial and alternation frequency), segmentation optics (35) for selectively segmenting the ERG interference pattern, and wide-angle imaging optics (36) for focusing the projection beam such that it passes through the pupil, and then diverges to project onto the entire retinal field-of-view, including the anterior retina out to the far periphery. A PERG testing program can be used to selectively probe the entire retina and develop a retinal map -- PERG data has been correlated with retinal ganglion cell viability, and is therefore useful in diagnosing and monitoring retinal degeneration caused by glaucoma and other diseases.

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