Spectrophotometric Determination of the Melanin Pigmentation of the Human Ocular Fundus in vivo
- 1 January 1974
- journal article
- Published by S. Karger AG in Ophthalmic Research
- Vol. 6 (5-6) , 355-362
- https://doi.org/10.1159/000264723
Abstract
The melanin pigmentation of 18 subjects was investigated in vivo by measuring light (λ = 675 nm) reflected from an area of 7° × 7° of the fundus incorporating the macula. The mean value for 16 Caucasian fundi was 0.79 ( ± 0.17) extinction units (E). The value for an albino (E = 0.06) and a Negro fundus (E = 1.36) lay well outside the range of Caucasian values. The in vivo results are in good agreement with measurements made on enucleated eyesKeywords
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