Visual acuity in a stumptail macaque.

Yarczower M, Wolbarsht M L, Galloway W D, Fligsten K E, Malcolm R

Science. 1966 Jun 3;152(3727):1392-3. doi: 10.1126/science.152.3727.1392.

Visual acuity in a normal stumptail macaque is 1.4 minutes of arc-similar to man's. Destruction of the fovea by photocoagulation decreased acuity to 9 minutes of arc. These facts suggest that the fovea in the macaque has the same physiological role in visual acuity as in man.