The Position of the Retina in Near and Far Sight

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A flattened shape of the globe of the eye causes farsightedness and an elongated shape of the globe of the eye causes nearsightedness. The diagram illustrates the position of the retina in these conditions. Labels: B, natural sight; G, farsightedness; C, nearsightedness.

Keywords

eye, retina, sight, farsighted, hyperopia, nearsighted, myopia

Galleries

Optics of the Eye, Human Sensory Systems: Sight

Source

Steele, Joel Dorman Hygienic Physiology (New York, NY: A. S. Barnes & Company, 1888)

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