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Brain and Behavior > Eye Pathology > Flashcards

Eye Pathology Flashcards

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The Brain flashcards
1
Q

caused by acute folliculitis of the Meibomian or Zeis glands

A

sty (hordeolum)

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2
Q

most common malignancy of the eyelid? commonly at lower eyelid or medial canthus

A

basal cell carcinoma, sebaceous carcinoma, and Kaposi

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3
Q

most type of conjunctivitis

A

allergic

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4
Q

bacterial conjuncitivitis due to?

A

H. influenza and strep pneumo

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5
Q

leading cause of blindness worldwide?

A

chlamydia

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6
Q

treatment for conjunctivitis?

A

vasoconstrictors, antibiotics

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7
Q

dry eye, painful drying and scarring of the cornea in _____ syndrome

A

Sjogren

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8
Q

idiopathic dry eye seen commonly in _______, may be associated with _______

A

older women, menopause

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9
Q

vascularized conjunctival tissue, which may grow over iris obscuring vision

A

pterygium

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10
Q

has more pain nerve fibers than any other tissue in body, heals faster than any other tissue in body, basement membrane does not regenerate following injury

A

cornea

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11
Q

physical exam reveals conjunctivitis, best treated with patch, antibiotics rarely necessary

A

corneal abrasions

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12
Q

causes multiple, minute corneal ulcers, may be primary or recurrent, should NOT be treated with steroids, looks like chinese character

A

herpes simplex corneal ulcers

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13
Q

fungal keratitis of cornea

A

fusarium

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14
Q

most common cause in US is aging, replacement is routine treatment

A

cataracts

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15
Q

optic neuropathy, excavation of optic nerve head and progressive loss of visual field sensitivity, usually caused by increased intraocular pressure

A

glaucoma

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16
Q

AV nicking, hemorrhage, micro-aneurysms, exudates, and cotton wool spots (infarcted nerve fiber layer)

A

hypertensive retinopathy

17
Q

characterized by neo-vascular proliferation in the retina, which obscures vision, retinal detachment and blindness common

A

proliferative retinopathy

18
Q

high oxygen tension in premature infants, proliferative retinopathy occurs, maybe accompanied by retinal detachment and fibrovascular mass behind lens

A

retinopathy of prematurity

19
Q

can be caused by histoplasmosis, toxoplasmosis, CMV, toxocara

A

retinitis

20
Q

dog and cat roundworms can cause a syndrome of visceral larvae migrans (VLM) or _______ in humans, cataract due to infammation and scarring b/c larvae passing through anterior chamber

A

toxocariasis

21
Q

associated with a retinal tear, often due to trauma or collapse of vitreous, traction detachment-adhesions formed during diabetic retinopathy or infection may pull retina away from pigment layer

A

rhegmatogenous retinal detachment

22
Q

collection of fluid between the retina and pigment epithelium, occurs during choroiditis or melanoma

A

non-rhegmatogenous retinal detachment

23
Q

most common cause of decreased visual acuity (blindness) in the US, may be related to smoking, hyperlipidemia, or genetic causes

A

age related macular degeneration

24
Q

edema of head of optic nerve, due to compression of nerve of elevated CSF pressure

A

papilledema

25
Q
  • malignant neoplasm that arises from immature retinal neurons
  • most common intraocular neoplasm of childhood
  • treat w/ enucleation and chemo, may spread to CNS along optic enrve
A

retinoblastoma

26
Q

only 6-8% inherited, the rest spontaneous, deletion of tumor suppressor (Rb), increased risk of osteosarcoma

A

retinoblastoma

27
Q

lack of red reflex, large white mass, retinal neoplasia rosettes

A

retinoblastoma

28
Q

any type of inflammation in one or more tissues of the uvea (iris, choroid, ciliary)

A

uveitis

29
Q

most common malignancy of the eye, usually involving uveal tract

A

metastatic carcinoma

30
Q

most common primary malignancy of eye

A

uveal tract melanoma

31
Q
  • arise from melanocytes in the uvea
  • metastasis usually to liver
  • treat w/ enucleation or radiation
A

uveal tract melanoma

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