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[Comparative research at the "mesoptometer" and "nyktomat" (author's transl)]. 1975

O C Geyer

This paper deals with the results of comparative reserach into twilight vision as found by tests at the "Mesoptometer" and "Nyktomat". The research population consisted of 168 persons. Their reactions at the test instruments during various functional tests are demonstrated by means of diagrams. While there is good correspondence between the two test instruments in the range of contrast essential for attesting night driving ability, differences can be shown to exist in the critical range of marginal values.

UI MeSH Term Description Entries
D008027 Light That portion of the electromagnetic spectrum in the visible, ultraviolet, and infrared range. Light, Visible,Photoradiation,Radiation, Visible,Visible Radiation,Photoradiations,Radiations, Visible,Visible Light,Visible Radiations
D009755 Night Blindness Failure or imperfection of vision at night or in dim light, with good vision only on bright days. (Dorland, 27th ed) Nyctalopia,Blindness, Night
D003624 Darkness The absence of light. Darknesses
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D014787 Vision Tests A series of tests used to assess various functions of the eyes. Test, Vision,Tests, Vision,Vision Test

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