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Eye

Eye. Supervised by: Dr Amal Abo El- Monsef. Objectives :. By the end of this lecture, the student will be able to: 1. List the composition of the eye ball 2. Mention the function of the cornea. Anatomy of the eye. - The eye ball is the organ of vision. Coats of the eye ball: They are:

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Eye

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  1. Eye Supervised by: Dr AmalAbo El-Monsef

  2. Objectives: By the end of this lecture, the student will be able to: 1. List the composition of the eye ball 2. Mention the function of the cornea

  3. Anatomy of the eye - The eye ball is the organ of vision Coats 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.

  4. 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.

  5. 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.

  6. Cross section in the eye ball

  7. Possible question 1. List the coats of eye. 2. Enumerate the contents of the eye ball.

  8. References: • Gray's Anatomy for student (2004 recent ed) • Snell's Clinical anatomy (7thed) • Last's Anatomy, Regional and applied (10thed)

  9. Assignment • The students are requested to draw a cross section of the eye ball • بسنت اشرف محمد احمد شكري • بسنت حسن علي محمد احمد • تغريد محمود ابراهيم مصطفى • حسام الدين حسين محمد حسين مبروك • حسام حسين منصور عبد السميع • حماده محمد عشري عبد الحميد نصر ------------------- Opened discussion session.

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