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- W4321070717 abstract "During infrared photoretinoscopy (see Schaeffel, Farkas and Howland, 1987, and Topical Meeting on Noninvasive Assessment of the Visual System, Monterey, California, 1986), the refractive state is calculated from the intensity profile of the fundus reflex in the pupils of a subject (Howland, 1985). The size of the pupils can also be easily measured in the video image. And, finally, the direction of gaze can be determined from the relative position of the Purkinje reflex in the pupil. While all three of these parameters are basically accessible to direct measurement in single stored video frames, their temporal properties cannot be recorded." @default.
- W4321070717 created "2023-02-17" @default.
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- W4321070717 date "1991-01-01" @default.
- W4321070717 modified "2023-09-29" @default.
- W4321070717 title "Measurement of Pupil Size, Direction of Gaze, and Refractive State by On-Line Analysis of Digitized Video Images" @default.
- W4321070717 cites W2041811465 @default.
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- W4321070717 doi "https://doi.org/10.1364/navs.1991.md6" @default.
- W4321070717 hasPublicationYear "1991" @default.
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