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Class notes Thinking and Doing 2
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Lecture notes of 15 pages for the course Thinking and Doing 2 at UM (Case 5!)
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👁️Case 5
Week Week 3
Column
Unit/Module Opthamology
nerves of the eye (innervation)
1. vascularisation
2. pupillary reflex
3. soft tissues
a. globe adnexa
b. lacrimal system
c. extraocular muscles
Movement of the eye
1. trochlear nerve
2. oculomotor nerve
3. abducens nerve
Anatomy of the eye
General characteristics
Case 5 1
, The adult eye is a complex organ
contained within the orbital cavity
(composed of 7 bones). Each eye has
multiple layers and chambers and is
surrounded by 6 extraocular muscles.
Layers of the eye:
Fibrous layer: sclera and
cornea
Vascular layer (the uvea):
choroid, ciliary body, and iris
Neural layer: retina and optic
nerve
Chambers of the eye:
Anterior: between cornea and Components of the orbit:
iris 7 extraocular muscles:
Posterior: between iris and Levator palpebrae superioris
lens
Superior oblique
Vitreous: between lens and
Inferior oblique
posterior eye wall
Lateral rectus
Medial rectus
Inferior rectus
Superior rectus
Lacrimal apparatus:
Lacrimal glands and their associated
ducts
Produce tears to provide lubrication
Nerves and blood vessels
Function: sense of sight
Refractive media directs and refracts light to the retina. Light travels through the:
Cornea
Lens
Case 5 2
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