Eye Anatomy: Parts of the Eye and How We See
2023年4月29日 · Here is a tour of the eye starting from the outside, going in through the front and working to the back. The eye sits in a protective bony socket called the orbit. Six extraocular muscles in the orbit are attached to the eye. These muscles move the eye up and down, side to side, and rotate the eye.
Eye From Front : Anatomy : The Eyes Have It - University of …
Sclera: the collagenous outer wall of the eyeball. Its outermost portion, called the episclera, has a rich vascular network. It is here that bilirubin accumulates to stain the superficial sclera yellow ("icterus").
Eye Anatomy: Parts of the Human Eye - Vision Center
2024年10月23日 · The cornea is the clear and protective outer layer of your eye. Along with the sclera, the cornea is a barrier against dirt, infectious microorganisms, and other substances that can damage the eye. Aside from protection, the cornea also plays a significant role in vision.
Human eye - Wikipedia
It is approximately spherical in shape, with its outer layers, such as the outermost, white part of the eye (the sclera) and one of its inner layers (the pigmented choroid) keeping the eye essentially light tight except on the eye's optic axis.
Eye anatomy: Muscles, arteries, nerves and lacrimal gland - Kenhub
2023年11月3日 · The wall of the eyeball has three layers: an outer (fibrous) layer, a middle (vascular) layer and inner layer. Let us have a closer look at the individual layers of the eyeball and their components. The outer (a.k.a. fibrous) layer …
Anatomy of the Eye - Johns Hopkins Medicine
A series of fibers that connects the ciliary body of the eye with the lens, holding it in place. Upper eyelid. Skin that covers the upper part of the eyeball, including the cornea, when closed. Vitreous body. A clear, jelly-like substance that fills the back part of the eye.
Eye Anatomy: External Parts of the Eye - Optometrists.org
The inner part of the eyelid is lined with mucous membrane, while the outer part is lined with eyelashes. As the eyelids open and close, they spread the tear film over the eye’s surface, lubricating the eye.
Structure and Function of the Eyes
The outer covering of the eyeball consists of a relatively tough, white layer called the sclera (or white of the eye). Near the front of the eye, in the area protected by the eyelids, the sclera is covered by a thin, transparent membrane ( conjunctiva ), which runs to the edge of the cornea.
Anatomy of the Eye - Neuroscience - NCBI Bookshelf
Most of the outer layer is composed of a tough white fibrous tissue, the sclera. At the front of the eye, however, this opaque outer layer is transformed into the cornea, a specialized transparent tissue that permits light rays to enter the eye.
Eye Anatomy - optomal.org
Location: outer front of the eye. Composition: numerous layers of tissue. Function: protects the eye from outside debris/harmful light and helps direct/focus the amount of light that enters into the eye