Sclera Anatomy

The outer layer of the eye. The sclera is thickest posteriorly becoming progressively thinner anteriorly.

The Eye Is A Sensory Organ That Perceives Light Transforms It Into An Electrical Signal And Sends It To Th Human Anatomy And Physiology Human Eye Eye Anatomy

The sclera is an opaque white outer layer that surrounds the posterior five-sixths of the eyeball.

Sclera anatomy. The sclera also known as the white of the eye or in older literature as the tunica albuginea oculi is the opaque fibrous protective outer layer of the human eye containing mainly collagen and some crucial elastic fiber. Sclera - American Academy of Ophthalmology The outer layer of the eye. The sclera has received its name from its extreme density and hardness.

Normal sclera demonstrating the lamina fusca asterisks and emissary structures including ciliary arteries black arrowheads and nerves red arrowheads ente. Anatomy of Sclera About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy Safety How YouTube works Test new features 2021 Google LLC. In humans and many other animals the whole sclera is white contrasting with the coloured.

This video is about the structure and anatomy of scleraThe sclera is the dense connective tissue of the eyeball that forms the white of the eye. The sclera from the Greek skleros meaning hard also known as the white of the eye is the opaque fibrous protective outer layer of the eye containing collagen and elastic fiber. The sclera is pierced by numerous nerves and blood vessels.

The thickness of the sclera is relevant to areas prone to rupture. It can be compared with an incomplete shell comprising approximately 90 five-sixths of the outer coat of the eye. The posterior pole of the sclera is perforated by the optic nerve and this site is marked as the posterior scleral foramen.

Withstands the considerable. Protects intraocular components from trauma light and mechanical displacement 2. It makes up the outermost part of eye anatomy.

The sclera is the dense connective tissue of the eyeball that forms the white of the eye. The sclera is the white tunic that covers and protects the eye. It is made of a dense strong fibrous wall consisting of the sclera that is 56 th and the cornea that is anterior 16 th of the eyeball.

This is the white of the eye. The anatomy of the limbus The limbus forms the border between the transparent cornea and opaque sclera contains the pathways of aqueous humour outflow and is the site of surgical incisions for cataract and glaucoma. At the equator it measure 04-05 mm and at the posterior pole in measures 10 mm.

The term sclera is derived from Greek word scleros meaning hardSclera is an opaque elastic and resilient tissue of the eye. The sclera transitions anteriorly to become cornea at the limbus and posteriorly into the optic nerve dural sheath Figures 12 and 13. The sclera fibrous layer Choroid layer.

Its whole outer surface is covered by tenons capsule and also by the bulbar conjunctiva in the anterior part Its inner surface lies in contact with the choroid with a potential suprachoroidal space in bertween. The sclera is covered by the conjunctiva a. Here the outer two-thirds of the sclera.

It consists of lamellae collagen and cells and makes up most of the cornea. At the insertion of the rectus muscles posteriorly it is thinnest 03mm. The sclera is essentially the continuation backward of the cornea the collagen fibres of the cornea being in effect continuous with those of the sclera.

The sclera is the part of the eye commonly known as the white It forms the supporting wall of the eyeball and is continuous with the clear cornea. Introduction Gross anatomy Layers Blood supply drainage and nerve supply. Introduction The sclera forms the posterior opaque 56 part of the external fibrous tunic of the eyeball.

It is a firm unyielding membrane serving to maintain the form of the bulb. It functions to protect the intraocular contents. Eyes diagram showing the entire structure The sclera.

The sclera is the tough opaque outer layer of the eye that provides it with protection and structural integrity. The sclera is the outermost layer and it gives a definite. Dense connective tissue that accounts for five sixths of the outer coat of the eyeball sklera mannix- hard membrane 1.

Scleras or sclerae is the fibrous opaque white coat of the eye. Externally the epithelial cell border between conjunctiva and cornea possesses multipotential cells importan. The largest of these holes is that formed by the optic.

The corneas middle layer. Anteriorly it begins at the limbus and terminates at the optic nerve canal. Sclera is thickest posteriorly1mm and gradually becomes thin when traced anteriorly.

It is continuous with the stroma layer. Sclera anatomy - American Academy of Ophthalmology.

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