EYE TERMINOLOGY
- EYE
- Eyeball
- poles or ends
- Anterior pole
- Posterior pole
- imaginary lines and axis
- Equator
- Meridians
- External axis of eyeball
- Internal axis of eyeball
- Optic axis or visual axis
- passes through anterior and posterior poles
- orbital axis
- line from optic canal and center of base of orbit , opening on face
- segments
- Anterior segment
- Posterior segment
- FIBROUS LAYER OF EYEBALL
- Sclera
- Sulcus sclerae
- Trabecular tissue
- Corneoscleral part
- Uveal part
- Scleral spur
- Scleral venous sinus Schlemm's canal
- Episcleral layer
- Substantia propria
- Suprachoroid lamina
- Lamina cribrosa of sclera
- Cornea
- VASCULAR LAYER OF EYEBALL
- Choroid
- Suprachoroid lamina
- Perichoroidal space
- Vascular lamina
- Capillary lamina
- Basal lamina Bruch
- Choroid blood vessels
- Ciliary body
- Corona ciliaris
- Ciliary processes
- Ciliary plicae
- Orbiculus ciliaris
- Ciliary muscle
- Meridional fibres Brücke's muscle
- Longitudinal fibres
- Radial fibres
- Circular fibres Müller's muscle
- Basal lamina
- Iris
- Pupillary margin
- Ciliary margin
- Anterior surface
- Posterior surface
- Outer border of iris
- Inner border of iris
- Folds of iris
- Pupil
- Sphincter pupillae
- Dilator pupillae
- Stroma of iris
- Pigmented epithelium
- Spaces of iridocorneal angle Fontan
- Major circulus arteriosus of iris
- Minor circulus arteriosus of iris
- (Pupillary membrane)
- INNER LAYER OF EYEBALL
- Retina
- Nonvisual retina
- Ciliary part of retina
- Iridial part of retina
- Ora serrata
- Optic part of retina
- Pigmented layer
- Neural layer
- Layer of inner and outer segments
- Outer limiting layer
- Outer nuclear layer
- Outer plexiform layer
- Inner nuclear layer
- Inner plexiform layer
- Ganglionic layer
- Layer of nerve fibres
- Inner limiting layer
- Optic disc
- Depression of optic disc; physiological cup
- Macula
- Fovea centralis
- Foveola
- Optic nerve
- Intracranial part
- Part in canal
- Orbital part
- Intra-ocular part
- Postlaminar part
- Intralaminar part
- Prelaminar part
- Outer sheath
- Inner sheath
- Subarachnoid space; leptomeningeal space
- Retinal blood vessels
- Central retinal artery, intraocular part
- Vascular circle of optic nerve
- Superior temporal retinal arteriole
- Inferior temporal retinal arteriole
- Superior nasal retinal arteriole
- Inferior nasal retinal arteriole
- Superior macular arteriole
- Inferior macular arteriole
- Middle macular arteriole
- Central retinal vein, intraocular part
- Superior temporal retinal venule
- Inferior temporal retinal venule
- Superior nasal retinal venule
- Inferior nasal retinal venule
- Superior macular venule
- Inferior macular venule
- Middle macular venule
- Lens
- Lens substance
- Cortex of lens
- Nucleus of lens
- Lens fibres
- Lens epithelium
- Capsule of lens
- Anterior pole
- Posterior pole
- Anterior surface
- Posterior surface
- Axis
- Equator
- Radii
- Ciliary zonule
- Zonular fibres
- Zonular spaces
- Chambers of eyeball
- Aqueous humor
- Anterior chamber
- Iridocorneal angle
- Posterior chamber
- Postremal chamber; vitreous chamber
- Retrozonular space
- Vitreous body
- (Hyaloid artery)
- Hyaloid canal
- Hyaloid fossa
- Vitreous membrane
- Vitreous stroma
- Vitreous humor
- ACCESSORY VISUAL STRUCTURES
- Periorbita or orbital fascia
- forms periosteum of bony orbit
- posteriorly
- continuous with duramater and sheath of optic nerve
- anteriorly
- continuous with periosteum lining bones around orbital margin
- gap
- Fascial sheath of eyeball or bulbar fascia
- Tenon's capsule
- parts
- extends from optic nerve to the sclerocorneal junction or limbus
- separated from sclera by episcleral space
- lower part thickened to form
- Suspensory ligament of eyeball / lockwood
- sheath Expansions
- Episcleral space
- Retrobulbar fat; orbital fat body
- Muscular fascia
- Eyebrow
- Eyelids
- Superior eyelid; upper eyelid
- Inferior eyelid; lower eyelid
- Anterior surface of eyelid
- Palpebronasal fold; medial canthic fold
- Posterior surface of eyelid
- Palpebral fissure
- Lateral palpebral commissure
- Medial palpebral commissure
- Lateral angle of eye
- Medial angle of eye
- Anterior palpebral margin
- Posterior palpebral margin
- Eyelashes
- Superior tarsus
- Inferior tarsus
- Lateral palpebral ligament
- Medial palpebral ligament
- Tarsal glands Meibomian glands
- Ciliary glands Moll's glands
- Sebaceous glands Zeis's glands
- Superior tarsal muscle
- Inferior tarsal muscle
- Conjunctiva
- Plica semilunaris
- Lacrimal caruncle
- Bulbar conjunctiva
- Palpebral conjunctiva
- Superior conjunctival fornix
- Inferior conjunctival fornix
- Conjunctival sac
- Conjunctival glands Wolfring's glands
- Lacrimal apparatus
- Lacrimal gland
- Orbital part
- Palpebral part
- Excretory ducts
- (Accessory lacrimal glands)
- Lacrimal pathway
- Lacus lacrimalis; lacrimal lake
- Lacrimal papilla
- Lacrimal punctum
- Lacrimal canaliculus
- Ampulla of lacrimal canaliculus
- Lacrimal sac
- Fornix of lacrimal sac
- Nasolacrimal duct
- Lacrimal fold
Discussion