Determination of Minimum Light Sense and Retinal Dark Adaptation with Presentation of A New Type of Photometer

Jesse Wright Downey
1919 American Journal of Ophthalmology  
13 term to classify congenital tumors, even those of simple histologic structure con-taining no dermal tissue, hairs or sweat glands. This paper reviews the principal hypotheses with reference to light and dark adaptation, and suggests a practical photometer, using a radioactive substance as a standard of comparison. With three illustrations, and experimental findings with this instrument.
doi:10.1016/s0002-9394(19)90026-2 fatcat:dbhvhogelnawpb57nwuuw6feuq