supervised by: dr amal abo el-monsef. by the end of this lecture, the student will be able to: 1....
TRANSCRIPT
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EYESupervised by: Dr Amal Abo El-Monsef
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Objectives:By the end of this lecture, the student will be able
to:
1. List the composition of the eye ball2. Mention the function of the cornea
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Anatomy of the eye- The eye ball is the organ of visionCoats of the eye ball:They are:
1- The fibrous coat:
it is the outer layer. It is formed made of:•Sclera: forms the posterior part of the fibrous coat. It is opaque. It is directly continuous anteriorly with the cornea.•The cornea: it is transparent. It is in contact with the aqueous humor. It is devoid of blood vessel.-Function of the cornea: Refraction of light.
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2- Vascular coat:• it is consists of:•Iris: it is the pigmented part of the eye ball. It has a central opening called the pupil.•Ciliary body•choroid
3- Nervous coat:• it is formed by the retina. It is sensitive. The optic nerve is attached to retina.
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Contents of the eye ball:
Aqueous humor: it is a clear fluid. It fills the space anterior to the lens. It supplies the avascular cornea & lens with nutrients.
Lens: it is transparent. It lies between the iris anteriorly & the vitreous body posteriorly.
Viteous body: fills the eye ball behind the lens. It is a transparent gel.
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Cross section in the eye ball
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Possible question1. List the coats of eye.2. Enumerate the contents of the eye ball.
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References:
Gray's Anatomy for student (2004 recent ed)Snell's Clinical anatomy (7th ed)Last's Anatomy, Regional and applied (10th ed)
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AssignmentThe students are requested to draw a cross section of the eye ball
شكري احمد محمد اشرف بسنتاحمد محمد علي حسن بسنت
مصطفى ابراهيم محمود تغريدمبروك حسين محمد حسين الدين حسام
السميع عبد منصور حسين حسامنصر الحميد عبد عشري محمد حماده
------------------- Opened discussion session.