Long sightedness,computer artwork. In long sightedness the eyeball is shorter than it should be and light is focused behind the retina,causing difficulty focussing on near objects. It can be corrected by placing a convex lens in front of the eye | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Kightley, Russell |
Taille de l’image : | 4997 px × 3498 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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