Abstract
Summary
Birds reared in low intensity colored light developed greatly enlarged eyes. Associated with the eye enlargement was: (1) a change in dioptrics, (2) increased eye protrusion, (3) increased incidence of eye lesions, especially in the red spectrum, which was directly related to length of exposure to the low intensity light, and (4) a thickening of the eye wall which occurred mainly in the choroid layer. The appearance was characterized by exophthalmos rather than the buphthalmos which occurs in continuous light. Corneal curvature was not changed while other eye parameters increased
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