| 摘要 |
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. |
