Muscles of the orbit

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Muscles of the orbit. Muscles of the orbit. extrinsic muscles of eyeball ( extra-ocular muscles ) involved in movements of the eyeball or raising upper eyelids. The extrinsic muscles include the levator palpebrae superioris, superior rectus, inferior rectus, medial rectus, lateral rectus, - PowerPoint PPT Presentation

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Muscles of the orbit

Muscles of the orbit

• extrinsic muscles of eyeball (extra-ocular muscles) involved in movements of the eyeball or raising upper eyelids. The extrinsic muscles include

• the levator palpebrae superioris,

• superior rectus, inferior rectus, medial rectus, lateral rectus,

• superior oblique, and inferior oblique

•Layers of the eye ball:

•1 -fibrous layer: cornea& sclera

•2 -vascular layer: iris& ciliary body& choroid

•3 -nervous layer: retina

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