rafi summary Flashcards
bug of orbital cellulitis
staph epidermis
causes of chorophritis
CMV in aids
toxoplasma Gondi
toxocara canis
why is toxocara dangerous even though its only in cats and dogs
it can form granules that cause irreversible vision loss
why is no MALT good in the eye
down regulates immune response
T1 example
allergic conjunctivitis
T2 example
ocular cicatricial pemphigoid
T3 example
corneal melt
T4 example
corneal graft rejection
what do amacrine cells do
receive input from bipolar cells + project to ganglion, bipolar + other amacrine cells
which cells of retina does light penetrate first
ganglion cells
which eye receptors have more congruence
rods
are there more rods or cones
rods
where are rods located
peripheral retina
first line investigation in orbital blow out fracture
CT
what actually happens in retinal detachment
sub retinal fluid accumulates between neurosensory retina and retinal pigment epithelium
what do you add to a topical steroid to make it more hydrophic
phosphate
what do you add to a topical steroid to make it more hydrophilic
alcohol/ acetate
what can you add to a drug to make it Better at penetrating the cornea
Benzal konium
first line treatment in glaucoma
latanoprost - opens up ureal-sceral outflow
4th nerve palsy causes eye to face
medially / superiorly
6th Nerve palsy caused by
increased cranial pressure
internuclear opthalamopoplegia caused by
MS
left optic radiation causes which field defects
superior nasal visual loss of Left eye
superotemporal loss of right eye
left optic tract damage causes which field defects
left eye nasal side lost
right eye temporal side loss
ION pathogenesis
posterior colliery artery becomes occluded which results in infarction of optic nerve head
follicles seen in which condition
viral / chamydial conjunctivitis
rice / grainy like
