Claud Worth
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Claud Alley Worth was a British ophthalmologist, inventor of the Worth 4 dot test and Worth's Ambyloscope, a pioneer in the orthoptic treatment of squint, a master mariner and an established author on
Claud Worth
Haploscope
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A haploscope is an optical device for presenting one image to one eye and another image to the other eye. The word derives from two Greek roots: haploieides, single and skopeo, to view. The word is of
Claud Worth
…Claud Alley Worth (1869–1936) was a British ophthalmologist, inventor of the Worth 4 dot test and Worth's Ambyloscope, a pioneer in the orthoptic treatment of squint, a master mariner and an established author on the subjects of ophthalmology and sailing. Claud Alley…
Synotophore by Walter Green with Sharp-Crawford rotating slide holders