Lens of the eye

“Diagram showing the Change in the Lens during Accomadation. On the right the lens is arranged for distant vision, the cilliary muscle is relaxed, and the ligament D is tense, so flattening by its compression the front of the lens C, on the left the muscle A is acting, and this relaxes the ligament and allows the lens B to become more convex, and so fitted for the vision of near objects.” — Blaisedell, 1904

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