Orbit Anatomy
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Coronal
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Sagittal
Nasolacrimal duct Infraorbital canal
Frontal process of maxilla
Nasal bone
Inferior oblique muscle
Lat. pterygoid plate Med. pterygoid plate
Zygomaticofacial foramen
Occipital condyle
Ant. lacrimal crest Post. lacrimal crest
Boundaries of lacrimal sac fossa
Zygomatic arch Coronoid process of mandible
Pterygopalatine fossa (PPF)
Globe
Inferior rectus muscle Inferior orbital fissure (IOF)
Hypoglossal canal
Foramen ovale
Inferior orbital fissure (IOF) Pterygoid (vidian) canal
Foramen spinosum
Mandibular condyle/TMJ
Anterior chamber
Lens
Vitreous chamber
Vertical petrous carotid canal
Jugular foramen
Horizontal petrous carotid canal
Pars nervosa Pars vascularis
Jugular spine
Medial rectus muscle
Lateral rectus muscle Inferior rectus muscle
Foramen rotundum
Greater wing of sphenoid bone Ophthalmic artery
Extraconal orbital fat
Lacrimal gland
Optic nerve Intraconal orbital fat
Superior orbital fissure (SOF)
Crista galli
Zygoma Ant. Ethmoidal foramen Orbital apex
Greater wing of sphenoid bone Squamosal temporal bone
Superior ophthalmic vein
Greater wing of sphenoid bone Superior orbital fissure (SOF) Optic canal
Dorsum sella
Anterior clinoid process (lesser wing of sphenoid bone)
Optic canal
Levator palpebrae superioris muscle
Superior rectus muscle
Supraorbital notch (foramen)
Orbital plate of frontal bone
Orbital roof (frontal bone)
Supraorbital notch (foramen)
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Nasal bone Perpendicular plate of ethmoid bone
Superior oblique muscle
Lens
Levator palpebrae superioris muscle
Globe
Crista galli Fovea ethmoidalis
Lamina papyracea (ethmoid bone)
Orbital roof (frontal bone)
Horizontal lamella Vertical lamella
Inferior oblique muscle
Cribriform plate
Superior ophthalmic vein
Lacrimal gland
Frontal bone
Zygoma Orbital floor (maxillary bone)
Trochlea
Levator palpebrae superioris
Superior rectus
Superior oblique
Lateral rectus
Superior oblique muscle Superior rectus muscle
Medial rectus Inferior rectus Inferior oblique
Optic nerve
Lateral rectus muscle
Medial rectus muscle Inferior rectus muscle
Ophthalmic artery
Superior ophthalmic vein
Intraconal orbital fat
Zygomatic arch
Frontal bone
Greater wing of sphenoid bone
Inferior orbital fissure (IOF)
Maxillary bone
Orbital apex
Foramen rotundum entering pterygopalatine fossa (PPF)
Pterygopalatine fossa (PPF)
Superior orbital fissure (SOF)
Optic canal
Anterior clinoid process/lesser wing of sphenoid bone
Foramen Rotundum
Optic strut
Pterygoid (vidian) canal entering pterygopalatine fossa (PPF)
Foramen rotundum
Pterygoid (vidian) canal
Foramen rotundum
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Greater wing of sphenoid bone
Foramen ovale
Petrous temporal bone
Horizontal petrous carotid canal
Lacrimal gland
Lateral rectus muscle
Inferior orbital fissure (IOF)
Lesser wing of sphenoid bone
Inferior orbital fissure (IOF)
Frontal bone
Maxillary bone
Superior orbital fissure (SOF)
Infraorbital canal
Anterior clinoid process of sphenoid bone
Superior orbital fissure (SOF) Levator palpebrae superioris and superior rectus muscles
Globe
Foramen rotundum Infraorbital canal
Pterygopalatine fossa (PPF)
Retina and choroid Sclera
Optic nerve
Lens Superior orbital fissure (SOF)
Ciliary body Ant. chamber Cornea
Vitreous body/chamber
Lesser palatine foramen
Superior rectus and levator palpebrae superioris muscles
Inferior rectus muscle Inferior orbital fissure
Pterygopalatine fossa (PPF) Greater palatine foramen
Orbital roof (frontal bone) Orbital septum
Inferior tarsus and orbicularis oculi muscle
Orbital floor (maxillary bone)
Optic canal
Superior oblique muscle
Medial rectus muscle
Sella turcica and pituitary gland
Dorsum sella
Superior oblique muscle
Inferior oblique muscle
Pterygoid (vidian) canal
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END