Diverging exercises while accommodating; a simple technique using an accommodation card, a prism rack, and plus and minus spheres.
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Accommodation, Ocular↗
Biomedical subjects
V BRACKETT
Publications and source records attributed to V BRACKETT.
Duochrome television eye exerciser.
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Eye↗
Stereoscopic cards in color for visual and orthoptic training.
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Blindness↗