Full 2L QBank
Ophthalmology Ocular motility and squint f54861ca

Final centre for horizontal movements of eye is-

A
Abducent nucleus
B
Trochlear nucleus
C
Oculomotor nucleus
D
Vestibular nucleus
High-Yield Explanation
Horizontal movements of the eye are bought about by the action of Lateral rectus muscle. Lateral rectus muscle causes Abduction of the eye. It is supplied by the Sixth nerve (Abducent) Third cranial nerve (Occulomotor) supplies the superior, medial and inferior recti and inferior oblique muscle. Fouh cranial nerve(trochlear) supplies the superior oblique muscle. Mnemonic for nerve supply : SO - 4 LR - 6 (SO- superior oblique; 4 - 4th cranial nerve ; LR - Lateral rectus; 6 - 6 th cranial nerve) Ref;A.K.Khurana;6th Edition;Page no: 339

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