File:EB1911 Vision - Forms of eye - normal, short and far-sighted.jpg
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Size of this preview: 431 × 599 pixels. Other resolutions: 173 × 240 pixels | 539 × 749 pixels.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 23:08, 4 September 2021 | 539 × 749 (111 KB) | Bob Burkhardt | {{Information |description = {{en|1=In the normal eye, any number of parallel rays, coming from a great distance, are focused on the retina. Such an eye is termed ''emmetropic'' (A in the figure). Another form of eye (B) may be such that parallel rays are brought to a focus ''in front of'' the retina. This form of eye is myopic or short-sighted, inasmuch as, for distinct vision, the object must be brought near the eye, so as to catch the divergent rays, which are then focused on the retina. A... |
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