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The human eye is a sensory organ in the visual system that reacts to visible light allowing eyesight. Other functions include maintaining the circadian rhythm, and keeping balance. Arizona Eye Model. "A" is accommodation in diopters. The eye can be considered as a living optical device.
Download as PDF; Printable version; In other projects Wikimedia Commons; Wikidata item; Appearance. move to sidebar hide. Help ... Pages in category "Human eye anatomy"
The compound eyes of the arthropods are composed of many simple facets which, depending on anatomical detail, may give either a single pixelated image or multiple images per eye. Each sensor has its own lens and photosensitive cell(s). Some eyes have up to 28,000 such sensors arranged hexagonally, which can give a full 360° field of vision.
Download as PDF; Printable version; ... Eye anatomy (4 C, 3 P) ... Eye stubs (1 C, 154 P) Pages in category "Eye" The following 113 pages are in this category, out of ...
The pars plana (also known as orbicularis ciliaris [1]) (Latin: flat portion) is part of the ciliary body in the uvea (or vascular tunic, the middle layer of the three layers that comprise the eye). It is about 4 mm long, located near the junction of the iris and sclera , and is scalloped in appearance.
This ophthalmic composition is heavily derived from Galen's De placitis Hippocratis at Platonis and De usu partium, both in terms of the anatomy and physiology being described. Hunayn's triumph comes from the systematic presentation of the parts of eye and the subsequent additions he made to the cosmological aspects of the work.
Human anatomy is the scientific study of the morphology of the adult human. It is subdivided into gross anatomy and microscopic anatomy . Gross anatomy (also called topographical anatomy, regional anatomy, or anthropotomy) is the study of anatomical structures that can be seen by unaided vision.
The retina (from Latin rete 'net'; pl. retinae or retinas) is the innermost, light-sensitive layer of tissue of the eye of most vertebrates and some molluscs.The optics of the eye create a focused two-dimensional image of the visual world on the retina, which then processes that image within the retina and sends nerve impulses along the optic nerve to the visual cortex to create visual perception.