IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. An ophthalmoscope is used to examine ...
The spot-light retinoscope projects a circular light beam. The slit-light retinoscope with a light beam in the form of a line, simplifies recognition and the determination of astigmatic refractive ...
The EZ-RET-2600 is designed to help the practitioner to easily determine the patient's prescription. The streak retinoscope is easy to use, fast, accurate and especially valuable in determining the ...
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