Eyeball Within Bony Orbit Bones of the orbit & nasal cavity



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Eyeball Within Bony Orbit




Bones of the orbit & nasal cavity


  1. Frontal bone w/sinus

  2. Nasal bone

  3. Zygomatic bone

  4. Maxilla

  5. Frontal process of maxilla

  6. Lacrimal bone

  7. Orbital plate of ethmoid bone

  8. Sphenoid bone

  9. Optic canal

  10. Cribiform plate of ethmoid bone



Extrinsic muscles of the eye


  1. Superior rectus muscle

  2. Lateral rectus muscle

  3. Medial rectus muscle

  4. Inferior rectus muscle

  5. Inferior oblique muscle

  6. Superior oblique muscle

  7. Tendon of superior oblique

  8. Trochlea of superior oblique



Structures of the eyeball


  1. Sclera

  2. Cornea

  3. Choroid

  4. Ciliary disc

  5. Ora serrata

  6. Ciliary ligament with ciliary processes

  7. Ciliary muscle

  8. Posterior epithelial layer of iris

  9. Posterior basal membrane

  10. Sphincter pupillae (circular muscle)

  11. Dilator pupillae (radiating muscle fibers)

  12. Retina

  13. Vitreous body

  14. Macula lutea with fovea centralis


Nerves & blood vessels


  1. Optic nerve

  2. Maxillary nerve

  3. Frontal nerve

  4. Nasociliary nerve

  5. Lacrimal artery

  6. Oculomotor nerve

  7. Abducens nerve

  8. Opthalmic division (V1) of Trigeminal nerve

  9. Maxillary division (V2) of Trigeminal nerve

  10. Zygomaticofacial nerve

  11. Opthalmic artery



  12. Infratrochlear artery



  13. Posterior ciliary arteries



  14. Ciliary arteries & nerves (passing thru sclera to supply choroid)

  15. Retinal blood vessels

  16. Vorticose veins

  17. Retinal arteries







Lacrimal structures


  1. Lacrimal nerve

  2. Lacrimal gland

  3. Lacrimal sac

  4. L
    Eye1
    acrimal caruncle


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