Ophthalmology Flashcards
Recall 2 risk factors for cataracts
Diabetes
Steroid use
What may cause worsening of vision in cataracts?
Bright light
What element of eyesight might cataracts actually improve?
Converging power
Recall 2 signs of cataracts
- Loss of red reflex
2. Hazy lens
What is keratoconjunctivits?
Inflammation of cornea as well as conjunctiva
What is blepharoconjunctivitis?
Inflammation of eyelid as well as conjunctiva
What is conjunctival chemosis?
Swelling of conjunctiva
Define glaucoma
Optic neuropathy associated with ocular hypertension
What pressures in the eye are indicative of ocular hypertension?
> 21mmHg
Differentiate the symptoms of acute POAG and CAG
CAG: red eye, vomiting, impaired vision, halos around lights
POAG: usually asymptomatic apart from the reduced visual field
What is the key finding on fundoscopy in glaucoma?
Optic disc cupping
What is the first investigation to do in suspected glaucoma?
Goldmann Applanation Tonometry
What is perimetry?
Visual field testing
Define uveitis
Inflammation of iris and ciliary body
What is the most likely infective cause of uveitis?
HSV