Ophthalmology Flashcards
hypermetropia
long sighted
myopia
short sighted
presbyopia
inability to read things that are up close – happens to everyone with old age
presentation of conjunctivitis
red, itchy, inflamed eye, sticky discharge
treatment of conjunctivitis
topical chloramphenicol
what should be suspected if conjunctivitis is bilateral + unresponsive to treatment
chlamydia
complication of chlamydia conjunctivitis
sub tarsal scarring – blindness
who gets bacterial keratitis
contact lens wearers
treatment of bacterial keratitis
hospital admission + hourly drops
presentation of keratitis
hypopyon - inflammatory cells in anterior chamber
presentation of herpes keratitis
dendritic ulcer
presentation of viral keratitis
bilateral
follows URTI
what is endophthalmitis
infection of entire globe
very painful + decreasing vision
very red eye
treatment of endophthalmitis
intravitreal antibiotics
- amikacin + vancomycin
ix of bacterial keratitis
corneal scrapes
mode of action chloramphenicol
inhibits peptidyl transferase enzyme
eye down + out with dilated pupil
occulomotor palsy
diplopia when looking down
trochlear nerve palsy
patient cannot move eye laterally
abducents nerve palsy
what is scleritis
inflammation of the sclera that can result in necrosis
- associated with RA + vasculitis
signs of central retinal artery occlusion
sudden painless vision loss
RAPD
pale oedematous retina
treatment of central retinal artery occlusion
ocular massage if within 24 hours
transient vision loss ‘like a curtain coming down’
amaurosis fugax