Ophthalmology Flashcards
What is Acute Angle Closure Glaucoma?
Raised IOP with impairment of aqueous outflow
Causes of Acute Angle Closure Glaucoma? (3)
Hypermetropia (Long Sight)
Pupillary Dilatation
Lens Growth
What is Hypermetropia?
Long sightedness
Symptoms of Acute Angle Closure Glaucoma? (6)
Severe Pain
Decreased visual acuity
Worse with mydriasis
Hard, Red, Eye
Haloes
Semi dilated non reacting pupil
Diagnosis of Acute Angle closure glaucoma?
Tonometry (Raised IOP)
Treatment of Acute Angle Closure Glaucoma? (5)
Pilocarpine
Beta Blocker eg Timolol
Alpha 2 Agonist
IV Acetazolamide
Laser Iridiotomy
Definitive management of Acute Angle Closure Glaucoma?
Laser Iridotomy
What is the aim of treatment in Acute Angle closure glaucoma?
Decrease aqueous humour production
Most common cause of blindness in the UK?
Macular Degeneration
What is macular degeneration?
degeneration of retinal photoreceptors
Risks of macular degeneration(3)
Age
Smoking
Family History
Dry Macular Degeneration is characterised by?
Drusen
Wet Macular degeneration is characterised by?
Choridonal Neovascularisation
Symptoms of Macular Degeneration? (3)
Reduction in Visual Acuity central visual field
Fluctuations in visual disturbance
Wavy apperance of straight lines
Wet macular degeneration can present with?
Subacute visual acuity over days