Shortsighted Vision and Correction

A. a shortsighted eye; B. an arrow which it attempts to perceive, but is prevented by the convergence of the passage of the visual rays to foci, at C., before they reach the retina at D. E. the same eye similarly situated, showing how by the interventions of a concave lens, G., the rays are diverged, and the image of the arrow, F., accurately converged to the retina at A.

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