Clinic Differential Deck Flashcards
List 3 differentials for deteriorating vision and possible lid changes
Multiple Sclerosis
Cerebrovascular accident
Thyroid eye disease
List 3 differentials for family history of a relative having significant vision loss with glaucoma
PXG
POAG
ACG
(others include OHT, PDS, Healthy)
List 3 differentials for occasional burning in one eye and lids sometimes stuck together in morning
Dry eye from chronic bleph and lipid anomaly Dry eye from aqueous deficiency Thygeson SPK (rare, but fit symptoms)
List 5 differentials for painless vision loss
Refractive error Cataract AMD Glaucoma Diabetic Ret
List 5 differentials for areas of no vision over the past month
BRVO RD DR Pre-ret haem AMD
(also could be: vitritis, retinal infection, vitreous haemorrhage)
List 3 differentials for achy/gritty sensation with blur worse in mornings that gradually improves over the day. Gradually worsened vision D/N over past year.
Corneal dystrophy (e.g. EBMD)
Dry eye
Hyperopia
(there are other ddx too)
List 3 differentials for red/stinging/sticky eye past few days. Chlorsig not working.
Viral infective keratitis
Bacterial infective keratitis
Sterile keratitis
(there are other ddx too obviously)
List 4 differentials for acute red eye. Discomfort since 2 weeks ago, but much redder and watery today. Wears RGPs.
Bacterial infective keratitis
Amoebic infective keratitis (b/c CL)
Fungal keratitis (rare but should be considered)
Viral/herpetic keratitis
Why is CLARE not a top 3 ddx in RGP wearers?
It’s less common in RGP wearers compared to standard CLs. But still possible. It’s in the top 5
List 3 differentials for epiretinal membrane
RD
Retinal vascular occlusion disease
Macular Oedema
List 4 differentials for NPDR
Hypertension
CRVO (non-ischemic)
Radiation retinopathy
Carotid artery disease
List 5 differentials for CRVO
Severe DR Ocular ischaemic syndrome Retinitis Coats disease Benign intracranial hypertension/pseudotumour cerebrii
List 4 differentials for BRVO
CMV retinitis
Cavernous haemangioma
Periphlebitis (sarcoidosis)
Retinal macroaneurysm
List 2 differentials for CRAO
Tay sachs disease
Ophthalmic artery occlusion
(also GCA, from my own notes, is something you need to exclude)
List 3 differentials for retinal whitening due to inflammation (BRAOs)
Lymphoma
Toxoplasmosis chorioretinitis
CMV retinitis