50.0 MB (600.8 KB compressed)
4997 x 3498 pixels
42.4 x 29.7 cm ⏐ 16.7 x 11.7 in (300dpi)
RUSSELL KIGHTLEY / SCIENCE PHOTO LIBRARY RUSSELL KIGHTLEY / SCIENCE PHOTO LIBRARY
This image may not be used in educational posters.
Short sightedness, computer artwork. In short sightedness the eyeball is longer than it should be and light is focused in front of the retina, causing difficulty focussing on distant objects. It can be corrected by placing a concave lens in front of the eye.
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