Data - Ophthalmology Flashcards
Long sightedness?
Hypermetropia
Short eye
Concave glasses required
Short sightedness?
Myopia
Long eye
Convex glasses required
Impaired accommodation at short distances
Presbyobia
Irregularly curved cornea
Astigmatism
Amaurosis fugax?
Retinal ischaemia - painless temporary loss of vision
Haloes around lights?
Sign of angle closure glaucoma
Unequal pupil size?
Anisocoria
Where is the lesion?
Lack of awareness of visual field loss
Parietal lobe
Where is the lesion?
Superior homonymous quandrantanopia?
Temporal lobe
Fundoscopic features of central retinal vein occlusion?
Widespread rental haemorrhages - flame haemorrhages
Pale swollen optic disc
Fundoscopic features of central retinal artery occlusion?
Cherry-red spot (pale ischaemia around healthy fovea )
Features of diabetic retinopathy?
Neovascularisation Hard exudates Dot and blot haemorrhages Microaneurysms Cotton wool spots
Features of hypertensive retinopathy?
Tortuous vasculature
Flame haemorrhages
Silver wiring
AV nipping