22 results
Keratoconus: Pathogenesis and Clinical Findings
Genetics
 • Family history of keratoconus
 • Ehlers-Danlos syndrome
 • Down, Turner,
Contact lens use • Eye ... Bilateral, asymmetric corneal ... Signs / Symptoms ... • Corneal Opacities ... 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
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
VI palsy is a red ... • Look for ptosis ... • Neurologic symptoms ... Functional • Corneal ... Algorithm #Causes #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
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
partial retinal red ... detachment • Red ... Eye • Pseudo-hypopyon ... pathophysiology #ophthalmology ... #symptoms
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
production -> Corneal ... • Loss of the eye ... pathophysiology #ophthalmology ... #diagnosis #signs ... #symptoms
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Red Eye - Differential ... Conjunctivitis, corneal ... Unilateral or bilateral symptoms ... #Red #eye #Conjunctivitis ... #diagnosis #ophthalmology
Strabismus - Ocular Misalignment - Differential Diagnosis Algorithm
Phoria:
 • Latent deviation
 • Symmetrical corneal light reflex,
Misalignment - Differential ... • Symmetrical corneal ... and abducted, ptosis ... #Misalignment #Differential ... Algorithm #Causes #Ophthalmology
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
present with a red ... eye and are acutely ... damage & blindness Signs ... obstruction • Corneal ... pathophysiology #ophthalmology