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