An infra-red skiascope and other infra-red ophthalmic research instruments.
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Diagnostic Equipment↗
Biomedical subjects
H A KNOLL
Publications and source records attributed to H A KNOLL.
A brief history of "Nocturnal myopia" and related phenomena.
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Humans↗
The optical characteristics of beach blended bifocals.
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Environment↗
Color vision differences in the two eyes of a given individual; a case of simulated unilateral atypical achromatopsia.
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Color Perception↗
A schematic head for practice dispensing and fitting.
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Head↗
Comment on a note on the photo-pupil-reflex.
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Humans↗
The thermal effect on ocular tissues of surgical diathermy currents with frequencies used in treatment of detached retina.
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Diathermy↗