41 results
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Blurry Vision - Differential ... Cornea 5. ... Trauma Cornea ... Keratitis • Corneal ... Nucleus Visual Cortex
Keratoconus: Pathogenesis and Clinical Findings
Genetics
 • Family history of keratoconus
 • Ehlers-Danlos syndrome
 • Down, Turner,
Pathogenesis and Clinical ... Bilateral, asymmetric corneal ... degeneration, and cone-shaped ... Rizutti's Sign • Corneal ... #Keratoconus #pathophysiology
Critical and Emergent Causes of Neuromuscular Weakness
CRITICAL DIAGNOSES 
 - Cerebral cortex or subcortical 
 -
Causes of Neuromuscular ... - Cerebral cortex ... - Cerebral cortex ... Neuromuscular #Weakness #Differential ... #Neurology #Causes
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... - Differential ... Contralateral motor cortex ... /Sub-Cortical (Corona ... Brown-Sequard Syndrome
Purple Urine Bag Syndrome
Chronic, indwelling catheter + bacteriuria (Providencia, Klebsiella, E.coli*) + alkaline urine
Tryptophan → Indoxyl
Purple Urine Bag Syndrome ... Purple #Urine #Bag #Syndrome ... #PUBS #pathophysiology ... #clinical #photo ... #differential #
Micronutrient Deficiencies After Gastric Bypass
Fat-Soluble Vitamins:
 • Vitamin A - Night/complete blindness, xeropthalmia (pathologic dryness of
conjunctiva and cornea ... • Thiamine - Nausea ... ataxia), Korsakoff syndrome ... function, diarrhea • Copper ... nutrition #table #differential
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
Differential diagnoses ... Miller-Fisher syndrome ... orbitopathy) • Corneal ... #Diplopia #Differential ... #Diagnosis #Causes
Horner's Syndrome: Loss of sympathetic nervous system input to (in this case) right eye. 
Note that
Horner's Syndrome ... UCSD Catalog of Clinical ... Images #Clinical ... Ophthalmology #Photo ... #Horners #Syndrome
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Double Vision - Differential ... Diagnosis Algorithm Clinical ... a mass as the cause ... Functional • Corneal ... #DoubleVision #Differential
Bitot's Spots- A 4-year-old boy was brought by his father to the ophthalmology clinic with a
ophthalmology clinic ... near the outer corners ... as a result of corneal ... #NEJM #clinical ... #photo #ophth #bitot