Outer Eye Anatomy

The lid may be divided into four layers. Human eye is spherical about 25 cm in diameter.

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It is situated on an orbit of skull and is supplied by optic nerve.

Outer eye anatomy. The orbital septum differentiates the orbital tissue from the lid. When light passes through the eye the cornea refracts the light rays in a way so that it can land directly on the retina. The inside lining of the eye is covered by special light sensing cells that are collectively called the retina.

Nerve signals that contain visual information are transmitted through the optic nerve to the brain. Tear drains from the eyes in to the nose through the tear duct. Anatomy of the eye.

The lens works together with the cornea to focus light correctly on the retina. Behind the eye your optic nerve carries. Extraocular muscles help move the eye in different directions.

This dome shaped layer protects your eye from elements that could cause damage to the inner parts of the eye. It converts light into electrical impulses. The cornea is shaped like a dome and bends light to help the eye focus.

The eye is surrounded by the orbital bones and is cushioned by pads of fat within the orbital socket. Anatomy parts and structure. Next light passes through the lens a clear inner part of the eye.

1 the skin containing glands that open onto the surface of the lid margin and the eyelashes. The eyelids the nose is the inner canthus and the other is the outer canthus. The eye is the photo receptor organ.

Here is a tour of the eye starting from the outside going in through the front and working to the back. The cornea is like a window it helps to focus light onto the retina. Six extraocular muscles in the orbit are attached to the eye.

These muscles move the eye up and down and side to side and rotate the eye. In particular it is essential to identify the anterior and posterior lamellae. Eye part 1 cornea.

The iris the colored part of the eye controls how much light the pupil lets in. To understand the diseases and conditions that can affect the eye it helps to understand basic eye anatomy. There are 6 sets of muscles attached to outer surface of eye ball which helps to rotate it in different direction.

This is a small tube that runs from the eye to the nasal cavity. The outer layer of the eye consists of 8 eye parts. 2 a muscular layer containing principally the orbicularis oculi muscle responsible for.

Anatomy of the eye the ottawa hospital. This is why a teary eye is usually accompanied by a runny nose. Some of this light enters the eye through an opening called the pupil pyoo pul.

Anatomy of the eyelid. The transparent dome like structure that is covering the iris and the pupil. Behind the septum are a number of different other structures a knowledge of which is essential if surgery is to be performed.

The cornea is the outer covering of the eye. The eye sits in a protective bony socket called the orbit. In the diagram above anatomy of the eye the artery is shown in red while the vein is shown in blue.

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