Lynde, Carleton John, b. 1872 · New York, Macmillan · leaf 278
which regulates the amount oflight which enters the eye. Itenlarges the pupil in a dim lightand contracts it in a bright light.Behind the iris is a double con-vex transparent body o, the crys-talline lens. The large cavity inthe eye is filled with a jelly-likesubstance V, called the vitreoushumor.… … FIG. 194. — The eye. 264 PHYSICS OF THE HOUSEHOLD the choroid coat, which incloses the interior cavity of the eyeexcept for the opening, the pupil. It serves to keep all lightout of the eye except that which enters through the pupil; italso prevents interior reflection of the light which…
Physics · Home Economics
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