EYE - cavidad orbitaria Flashcards
Size of eye
2 -3 cm
Fissura orbital superior - which bones
Alas mayor and menor del hueso esfenoides
Fissura orbital superior - communicates with
Infratemporal and pterigopalatino fissures
Where is the conducto optico
alas menores del hueso esfenoides
Where is the ethmoid orifice
lamina orbitaria del hueso ETHMOIDE y
pocion orbital del hueso FRONTAL
Where is the nasolacrimal sulcus and what does it connect to
Lacrimal bone + maxilar.
Connects to the nasal fosa
Where is the nasolacrimal sulcus and what does it connect to
Lacrimal bone + maxilar.
Connects to the nasal fossa
Which side of the globo ocular is vulnerable?
Pared Lateral
Angle between the the sagittal axis and the orbital axis ?
23 degrees
Angle between the sagittal axis and pared lateral
45 degrees
What makes up the tunica fibrosa ?
Cornea and sclera
What are the orifices of the sclera?
- Lamina cribosa de la esclerotica: nervio optico
- Posterior cilliary orifices: short posterior cilliary arteries and veins
- 2 long posterior cilliary arteries
- Medio orificios: venos vortices
What are the colours of the cornea and sclera?
Cornea: Transparent
Sclera: Normally white, blue in newborns and yellow in the old
Where is the limbo escerocorneal?
between the posterior end of the cornea and the anterior start of the sclera
Where is the conjunctiva?
Starts from the sclercorneal limbus and covers the posterior part of the eyelid before turning and covering part of the sclera.
Where is the conjunctiva?
The white of the eye
Wheere is the canal of schlemm
Posterior to the limbus sclerocorneal
What is the keratocone?
The thin, funnel like central part of the cornea(thickness is not uniform)
Innervation of the cornea
Sensitive = nasociliar (ofthalmic)
Motor = facial