Retina tester
A retina tester for testing a person's retina for macular degeneration. The retina tester includes a grid having a grid pattern and having an aperture through the center of the grid pattern; and includes illuminating structure for illuminating the aperture through the center of the grid pattern...
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| Hauptverfasser: | , |
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A retina tester for testing a person's retina for macular degeneration. The retina tester includes a grid having a grid pattern and having an aperture through the center of the grid pattern; and includes illuminating structure for illuminating the aperture through the center of the grid pattern of the grid. |
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