Fig. 64.—CAPILLARY BLOOD-VESSELS OF THE EYE.
A A. Capillary veins distributed over the sclerotic coat.
B. One of the trunks of the optic nerve.
C. A nerve communicating with the ciliary processes.
D. A vein running parallel with the nerve to the ciliary processes.
E. Side view of the iris.
980. Why do we see better after a short time?
Because the iris has relaxed and enlarged the pupil, therefore we receive more rays of light from the comparatively dark object, and are enabled to see it more clearly.