Opthalmology Flashcards
Orbital cellulitis management
IV cefotaxime or IV clindamycin
Risk Factors for Glaucoma
Increasing age
Family history
Afro-carribean ethnicity
HTN
Diabetes mellitus
Myopia
Corticosteroids
Fundoscopy findings glaucoma
Optic disc cupping and pallor
Bayonetting of vessels
Retinitis pigmentosa features
Night blindness
Tunnel vission
Causes of tunnel vission
Papilloedema
Glaucoma
Retinitis pigmentosa
Choroidoretinitis
Optic atrophy secondary to tabes dorsalis
Hysteria
Initial management of acute angle-closure glaucoma
IV acetazolomide
eye drops - direct parasympathomimetic (pilocarpine), beta blocker (timolol), alpha-2 agonist (apraclonidine)
Definitive management in acute angle-closure glaucoma
Laser peripheral irridotomy
Retinal detachment risk factors
Dibetes mellitus
myopia
age
previous surgery for cataracts
eye trauma
herpes zoster opthalmicus management
Oral antiviral treatment for 7-10 days
Topical corticosteroids if any secondary inflammation
Urgent opthalmology review
Optic neuritis causes
Multiple sclerosis
Diabetes
Syphilis
Optic neuritis features
Unliateral decrease in visual acuity over hours or days
Poor discrimination of colours
Pain worse on eye movements
RAPD
Central scotoma
Optic neuritis management
High dose steroids
Recovery usually takes 4-6 weeks
Cataracts risk factors
Smoking
Increased alcohol consumption
Trauma
Diabetes mellitus
long-term corticosteroid use
radiation exposure
myotonic dystrophy
metabolic disorders - hypocalcaemia
Scleritis risk factors
RA
SLE
Sarcoidosis
Granulomatosis with polyangitis
Scleritis freatures
Red eye
Classically painful
watering
photophobia
gradual decrease in vision