gradual visual loss ,Acute Visual disturbance oncology Flashcards
what is a cataract
clouding of the lens
signs and symptoms
gradual vision loss -spots on vision clouding haloes above lights photophobia not corrected by glasses
RF
age, diabetes, hypterensin, hypercholesteriama FH poor diet smoking statin and prednisolone use previous eye injury or surgery alcohol
management
corrective surgery and removing lense
inserting intraocular implant
what is optic neuritis
inflammation of the optic nerve
symptoms and signs
impaired colour vision reduced vision eye pain associated with MS reduced pupillary light reaction scotoma flashes fevever
ix
mr
tb cxr bloods
a drug causing it
metronidazole
meds
corticosteroids interferon beta
what is a stye
PAINFUL lump on eye can be internal (started from eyelid) or external (from base of eyelash )usually managed with heat compression
can cause entire eyelid to swell
what is a chalazon
similar to stye but not paintful sually
can cause blurred vision
tender to touch
manage in same way as stye
if someone has impaired direct pupillary refle which nerve
afferent otpic CN2
impaired consensual
efferent oculomotor nerve 3
difference between herpes simplex and zoster shingles
zoster in opthamalic region and looks very reptile like
whereas simples is very dotty
