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PRIYA OPTHALMOLOGY > rafi summary > Flashcards

rafi summary Flashcards

1
Q

bug of orbital cellulitis

A

staph epidermis

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2
Q

causes of chorophritis

A

CMV in aids
toxoplasma Gondi
toxocara canis

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3
Q

why is toxocara dangerous even though its only in cats and dogs

A

it can form granules that cause irreversible vision loss

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4
Q

why is no MALT good in the eye

A

down regulates immune response

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5
Q

T1 example

A

allergic conjunctivitis

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6
Q

T2 example

A

ocular cicatricial pemphigoid

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7
Q

T3 example

A

corneal melt

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8
Q

T4 example

A

corneal graft rejection

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9
Q

what do amacrine cells do

A

receive input from bipolar cells + project to ganglion, bipolar + other amacrine cells

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10
Q

which cells of retina does light penetrate first

A

ganglion cells

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11
Q

which eye receptors have more congruence

A

rods

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12
Q

are there more rods or cones

A

rods

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13
Q

where are rods located

A

peripheral retina

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14
Q

first line investigation in orbital blow out fracture

A

CT

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15
Q

what actually happens in retinal detachment

A

sub retinal fluid accumulates between neurosensory retina and retinal pigment epithelium

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16
Q

what do you add to a topical steroid to make it more hydrophic

A

phosphate

17
Q

what do you add to a topical steroid to make it more hydrophilic

A

alcohol/ acetate

18
Q

what can you add to a drug to make it Better at penetrating the cornea

A

Benzal konium

19
Q

first line treatment in glaucoma

A

latanoprost - opens up ureal-sceral outflow

20
Q

4th nerve palsy causes eye to face

A

medially / superiorly

21
Q

6th Nerve palsy caused by

A

increased cranial pressure

22
Q

internuclear opthalamopoplegia caused by

A

MS

23
Q

left optic radiation causes which field defects

A

superior nasal visual loss of Left eye

superotemporal loss of right eye

24
Q

left optic tract damage causes which field defects

A

left eye nasal side lost

right eye temporal side loss

25
Q

ION pathogenesis

A

posterior colliery artery becomes occluded which results in infarction of optic nerve head

26
Q

follicles seen in which condition

A

viral / chamydial conjunctivitis

rice / grainy like

PRIYA OPTHALMOLOGY (7 decks)

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