Abstract

Previously, it has been reported (Enoch, Birch & Birch, 1979; Enoch & Birch, 1981) that complete occlusion of an eye for 7 days will result in a broadening of the Stiles-Crawford (S-C) function. It was suggested that this broadening reflected a dispersal of the photoreceptors, which normally tend to have their long axes aligned pointing towards the center of the exit pupil (Enoch & Hope, 1972). This result, along with the observation that the peak of the S-C function could be selectively shifted by wearing a contact lens with an off-center artificial pupil, provided support to the hypothesis that the normal mechanism of alignment of the receptors is a positive phototropism.

© 1985 Optical Society of America