Vision disorders corrected with lenses, computer illustration. In short sightedness (top left) light is focused in front of the retina. It can be corrected with a concave lens (right). In long sightedness (middle left) the focal point is behind the retina. It can be corrected with a convex lens (right). In astigmatism (bottom left) light is not focused evenly on the retina. Astigmatism can also be corrected with a lens (right).
px | px | dpi | = | cm | x | cm | = | MB |
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Creative#:
TOP26515170
Source:
達志影像
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RM
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須由TPG 完整授權
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N/A
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N/A
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No
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