Eye

“Next in order is the aqueous humor, b, e, in the middle of which is the iris, d, c. Behind the pupil we have the crystalline lens, f, and then the vitreous humor, h, filling all the interior of the ball of the eye. m indicates the retina, which is an expansion of the optic nerve, n. k is the choroid coat, a membrane interposed between the retina and the sclerotic coat; it terminates in form in a series of folds or filaments, g, called the ciliary ligament or process.” —Wells, 1857

Keywords

iris, eye, muscle, membrane, humor, crystalline, Pupil, Aqueous, Choroid

Galleries

Optics of the Eye, Human Sensory Systems: Sight

Source

David A. Wells The Science of Common Things; A Familiar Explanation of the First Principles of Physical Science264

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