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The approximate field of view of an individual human eye (measured from the fixation point, i.e., the point at which one's gaze is directed) varies by facial anatomy, but is typically 30° superior (up, limited by the brow), 45° nasal (limited by the nose), 70° inferior (down), and 100° temporal (towards the temple).
The globe of the eye, or bulbus oculi, is the frontmost sensory organ of the human ocular system, going from the cornea at the front, to the anterior part of the optic nerve at the back. More simply, the eyeball itself, as well as the ganglion cells in the retina that eventually transmit visual signals through the optic nerve. [1]
Anatomy photo:29:22-0204 at the SUNY Downstate Medical Center; Atlas image: eye_1 at the University of Michigan Health System - "Sagittal Section Through the Eyeball" Atlas image: eye_3 at the University of Michigan Health System - "Coronal Section Through the Eyeball" "Anatomy diagram: 02566.000-1". Roche Lexicon - illustrated navigator. Elsevier.
The cornea, a transparent structure covering the anterior chamber of the eye, plays a role in transmitting and focusing light onto the retina while also protecting the eye's internal components. Maintaining its function relies on the proper operation of its three cellular layers, the epithelium, stroma, and endothelium, each contributing to its ...
In the anatomy of the eye, the inner nuclear layer or layer of inner granules, of the retina, is made up of a number of closely packed cells, of which there are three varieties: bipolar cells, horizontal cells, and amacrine cells.
Gross anatomy (also called topographical anatomy, regional anatomy, or anthropotomy) is the study of anatomical structures that can be seen by unaided vision. Microscopic anatomy is the study of minute anatomical structures assisted with microscopes, and includes histology (the study of the organization of tissues), and cytology (the study of ...
The uvea (/ ˈ j uː v i ə /; [1] derived from Latin: uva meaning "grape"), also called the uveal layer, uveal coat, uveal tract, vascular tunic or vascular layer, is the pigmented middle layer of the three concentric layers that make up an eye, precisely between the inner retina and the outer fibrous layer composed of the sclera and cornea.
Histology image: 07902loa – Histology Learning System at Boston University This page was last edited on 23 September 2024, at 12:42 (UTC). Text is available ...