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AREA AND VISUAL THRESHOLD
1. The variation of threshold with field area was measured in fields homogeneous in rod-cone composition. At 15° above the fovea, an increase in field diameter from 1° to 5° reduces the threshold sevenfold, at 25° above the fovea tenfold. 2. These changes are shown to follow qualitatively from simpl...
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| Formato: | Texto |
| Lenguaje: | English |
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The Rockefeller University Press
1938
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2141943/ https://www.ncbi.nlm.nih.gov/pubmed/19873050 |