Path Eye Flashcards
- Compare and contrast acute vs. chronic glaucoma (open angle vs. closed angle) - Define the following degenerative conditions of the eye: Arcus Senilis, Pterygium, Pinguecula, Macular degeneration (wet vs. dry), Cataracts - Describe the pathologic manifestations of diabetic retinopathy. - List the common causes of central retinal artery and vein occlusion. - Describe the clinicopathologic features of 2 common tumors of the eye (melanoma and retinoblastoma) - Define chalazion
Viruses that can cause conjunctivitis
adenovirus and Herpes simplex
bacteria that can cause conjunctivitis
Opthalmia noenaturum
neoplasms that can cause conjunctivitis
Squamus cell carcinoma, melanoma
small raised pale yellow-tan nodule, usually nasal
pinguecula
triangular vascularized growth onto cornea from nasal limbus
pterygium
most common type of glaucoma
open angle
glaucoma more common in blacks
open angle
cause of close angle glaucoma
physical obstruction of outflow tract by peripherial iris, causing increased intraocular pressure
sx of closed angle glaucoma
pain, redness,photophobia, decreased vision, fixed, mid-dilated pupil
what can trigger sx in closed angle glaucoma
being in a dark room for a long time
sx of open angle glaucoma
arcuate visual field loss
types of cataracts
nuclear, cortical, or subcapsular
causes of adult cataracts
sun exposure, diabetes, steroids
causes of congenital cataracts
rubella, CMV
vascular causes of retainopathy
diabetes, hypertension, vessel occulsion