External Eyelid Anatomy

Tap on the image or pinch out and pinch in to resize the image. Malfunction in any part of the system can cause serious complications.

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On a piece of scratch paper number from 1 6 1 1 6 5 4 3 2 can you identify these 6 structures.

External eyelid anatomy. The cornea allows light to enter the eye. Skin and subcutaneous tissue. The upper eyelid generally covers 13 mm of the upper cornea.

The collagenous outer wall of the eyeball. Lacrimal system tear drainage system the lacrimal system is crucial for tear production and management which includes distribution of tears and draining excess tears. As light passes through the eye the iris changes shape by expanding and letting more light through or constricting and letting less light through to change pupil size.

The average aperture of the eyelids measures about 30 mm in horizontal width and approximately 10 mm in vertical height. Its outermost portion called the episclera has a rich vascular network. The upper eyelid starts at the eye and extends up words joined the skin.

Eyelid and orbit anatomy anatomy of the eyelid. The description above only offers a superficial overview of the anatomy. The highest peak on the upper eyelid lies slightly nasal and the lowest contour of the lower eyelid rests slightly lateral.

The lateral confluence of upper and lower eyelid margins. Click on a label to display the definition. The lens then changes shape to allow the accurate focusing of light on the retina.

The eyelid is primarily made of skin. Overview of external anatomy. External eye anatomy instructions for students.

Study this image of the external eye and identify as many structures as possible.

With The Dissection Completed In The Manner Described The