ophthalmology Flashcards
myopia
light focuses in front of the retina
hyperopia
light focused behind the retina
astigmatism
asymmetry of the corneal surface, blurred vision
strabismus
deviation of one eye; double vision, progressive blindness in one eye as the brain ignores one eye (ambylopia)
Ambylopia
brain stops processing visual information from one eye
developmental defect
most common cause if strabismus
Treat with vision training- patch the good yee
MCC blindness >55yo
macular degeneration
MCC blindness
DM
MCC blindness in anyone black
glaucoma
Conjunctiitis most common viral cause
MCC viral- adenovirus
bacterial conjunctivitis
s. aureus, s. pneumonia, n. gonorrheae, chlamydia trachomitis
Most likely cause of conjunctivitis appearing in the first 24 hours of life?
chemical conjunctivitis resulting from antibiotic eye drops newborns receive
uveitis
inflammation of iris, ciliary bodies, and/or choroid
may be anterior or posterior
Anterior: pain and redness of iris, photophobia
Posterior: mild vision abnormalities. CMV, toxoplasma, cat scratch disease
may be 2/2 infection, or autoimmune, or rheumatic disease PAIR psoriatic arthritis ankylosing spondylitis IBD-related arthritis Reactive arthritis
kawasaki disease
red eye and corneal ulceration
herpes simplex keratitis
red eyes and collagen- vascular disorder
uveitis or scleritis
red eyes and colored halos
acute angle- closure glaucoma