28 results
Keratoconus: Pathogenesis and Clinical Findings
Genetics
 • Family history of keratoconus
 • Ehlers-Danlos syndrome
 • Down, Turner,
Contact lens use • Eye ... Signs / Symptoms ... Ring • Munson's sign ... • Rizutti's Sign ... pathophysiology #ophthalmology
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
Red Eye - Differential ... Cornea: • Corneal ... Keratitis (i.e. corneal ... #Eye #redeye #Differential ... table #causes #ophthalmology
Enhanced Ptosis - Curtain Sign in Myasthenia Gravis on Physical Exam

Because of bilateral eyelid innervation, when
- Curtain Sign in ... more affected eye ... less affected eye ... #Curtain #Sign # ... video #neurology #ophthalmology
Enhanced Ptosis - Curtain Sign in Myasthenia Gravis on Physical Exam

Because of bilateral eyelid innervation, when
- Curtain Sign in ... more affected eye ... less affected eye ... #Curtain #Sign # ... video #neurology #ophthalmology
Curtain Sign in Myasthenia Gravis on Physical Exam

Because of bilateral eyelid innervation, when the more affected
Curtain Sign in ... more affected eye ... less affected eye ... #Curtain #Sign # ... video #neurology #ophthalmology
Amblyopia - Lazy Eye - Differential Diagnosis Algorithm
Deprivational - Obstruction of Visual Axis:
 • Ptosis
 •
Amblyopia - Lazy Eye ... - Differential ... Visual Axis: • Ptosis ... • Congenital Corneal ... Algorithm #Causes #Ophthalmology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Double Vision - Differential ... VI palsy is a red ... • Look for ptosis ... Functional • Corneal ... Algorithm #Causes #Ophthalmology
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Atraumatic Red Eye ... - Differential ... Conjunctivitis • Corneal ... • Keratitis/Corneal ... Algorithm #Causes #Ophthalmology
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Retinoblastoma Signs ... partial retinal red ... Eye • Pseudo-hypopyon ... pathophysiology #ophthalmology ... #diagnosis #signs
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
production -> Corneal ... • Loss of the eye ... non-functional eye ... pathophysiology #ophthalmology ... #diagnosis #signs