Emergencyimage credit: https://en.wikipedia.org/wiki/File:Eye_iris.jpg

required reading

http://www.ophthobook.com/

the eye1. bits of the eye 2. bony bits 3. bits that move

puncta

caruncle

image credit: https://upload.wikimedia.org/wikipedia/commons/b/b0/Iris_-_right_eye_of_a_girl.jpg

pupil

irissclera

Limbusconjunctiva

limbus

image credit: https://upload.wikimedia.org/wikipedia/commons/2/2c/Human_eye_showing_subconjunctival_hemorrhage.jpg

image credit: https://upload.wikimedia.org/wikipedia/commons/8/8e/Conjunctivitis.jpg

V1/V2 V1/V2

V1

corneal reflex

afferent = V1

efferent = VIIimage credit: https://upload.wikimedia.org/wikipedia/commons/3/3c/

Skull_and_brainstem_inner_ear.svg

puncta

caruncle

image credit: https://upload.wikimedia.org/wikipedia/commons/b/b0/Iris_-_right_eye_of_a_girl.jpg

iris

pupil

image credit: https://upload.wikimedia.org/wikipedia/commons/e/e2/Lacrimal_punctum.jpg

puncta

lacrimal gland

2 fluids

3 chambers

vitreous chamber

ant chamberpost chamber

image credit: https://commons.wikimedia.org/wiki/File:Eye_scheme_mulitlingual-nocircles-310px.png

•aqueous •vitreous

ciliary process

post chamber

ant chamber

canal of schlemm

image credit: http://avserver.lib.uthsc.edu:8080/Medicine/eye_exam/page39.htm image credit: ophthobook.com

choroid

ciliary body

iris

image credit: https://en.wikipedia.org/wiki/Choroid#mediaviewer/File:Schematic_diagram_of_the_human_eye_en.svg

uvea

ciliary body

iris

ciliary body

iris

ciliary muscle

ciliary process

controls pupil size

controls lens shape

produces aqueous humour

the eye1. bits of the eye 2. bony bits 3. bits that move

image credit: Patrick Lynch https://upload.wikimedia.org/wikipedia/commons/thumb/8/87/Eye_orbit_anatomy_anterior2.jpg/1280px-

Eye_orbit_anatomy_anterior2.jpg

frontal

ethm

oid

maxillary

frontal

ethm

oid

maxillary

frontal

maxillary

sphen

oid

sag axial coronalet

hmoi

d

maxillary maxillary

globe

abscess

frontalethmoid

image credit: Frank Gaillard http://radiopaedia.org/cases/orbital-subperiosteal-abscess

maxillazygoma

frontal

sphenoid

ethm

oid

image credit: Patrick Lynch https://upload.w

ikimedia.org/w

ikipedia/comm

ons/c/cf/Eye_orbit_anterior.jpg

frontal

sphenoid

ethm

oid

zygomamaxilla

image credit: https://en.wikipedia.org/wiki/Orbit_(anatomy)#mediaviewer/File:Orbital_bones.png

image credit: http://radiopaedia.org/cases/blow-out-fracture-right-orbital-floor

image credit: http://radiopaedia.org/cases/orbital-blowout-fracture-1

what else is in there?

orbital septum

orbital cellultis

pre septal cellulitis

image credit: Jonathan Trobe https://en.w

ikipedia.org/wiki/

Orbital_cellulitis#

mediaview

er/File:Orbital_cellulitis.jpg

fat

fat

fat

fat

orbital fat

image credit: Jonathan Trobe https://en.wikipedia.org/wiki/File:Proptosis_and_lid_retraction_from_Graves%27_Disease.jpg

graves’

vascular

ophthalmic artery

cavernous sinus

ICAIII

IV

V1

V2

VI

III, IV, VI - Eye Movements V1-2 - Forehead and Cheek

the eye1. bits of the eye 2. bony bits 3. bits that move

muscles and nerves

image credit: Patrick Lynch https://en.wikipedia.org/wiki/File:Lateral_orbit_nerves.jpg

image credit: Patrick Lynch https://upload.w

ikimedia.org/w

ikipedia/comm

ons/c/cf/Eye_orbit_anterior.jpg

lat med

sup

inf

inf r

ectu

sinf rectus

image credit: Patrick Lynch https://upload.w

ikimedia.org/w

ikipedia/comm

ons/c/cf/Eye_orbit_anterior.jpg

sup oblique

inf oblique

sup oblique

image credit: http://radiopaedia.org/articles/superior-oblique-m

uscle

image credit: ophtohbook.com

https://vimeo.com

/2978888

nerves

III = oculomotor [motor, constriction and lid] IV = trochlear [motor only] VI = abducens [motor only]

image credit: Patrick Lynch https://upload.w

ikimedia.org/w

ikipedia/comm

ons/c/cf/Eye_orbit_anterior.jpg

lat med

sup

inf

sup oblique

inf oblique

the eye1. bits of the eye 2. bony bits 3. bits that move