34 results
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
Subconjunctival hemorrhage ... : • Corneal abrasion ... Keratitis (i.e. corneal ... Diagnosis #table #causes ... #ophthalmology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
• Look for ptosis ... a mass as the cause ... Functional • Corneal ... Trauma • Subdural Hemorrhage ... #Ophthalmology
Amblyopia - Lazy Eye - Differential Diagnosis Algorithm
Deprivational - Obstruction of Visual Axis:
 • Ptosis
 •
Amblyopia - Lazy Eye ... Visual Axis: • Ptosis ... • Congenital Corneal ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Horner's Syndrome: Loss of sympathetic nervous system input to (in this case) right eye. 
Note that
) right eye. ... greater portion of eye ... Images #Clinical #Ophthalmology ... #Photo #Horners ... #Syndrome #Ptosis
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Atraumatic Red Eye ... Subconjunctival Hemorrhage ... • Keratitis/Corneal ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Miosis Causes - 4 P's Mnemonic
Constricted: pupils < 2mm, Pinpoint: pupils < 1mm
 • Pain Killer:
Miosis Causes - ... Pons: Pontine hemorrhage ... • Pilocarpine: Eye ... drops #Miosis
Vitreous Hemorrhage on Ocular POCUS

Binocular vision loss - think cortical blindness, opt for CT/MRI
Monocular vision loss
Vitreous Hemorrhage ... on Ocular POCUS ... think intrinsic eye ... #Ocular #POCUS ... #ultrasound #Ophthalmology
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
can be caused by ... Common Causes: ... Conjunctivitis, corneal ... • Corneal ulcer ... differential #diagnosis #ophthalmology
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Vision Loss: • Corneal ... caustic exposure to eye ... detachment or hemorrhage ... differential #diagnosis #causes ... #ophthalmology
Traumatic Iritis 
High pressure bottle cap to the eye = traumatic iritis + hyphema
This patient was
bottle cap to the eye ... struck in the eye ... , there was no corneal ... Iritis #Clinical #Photo ... #Ophthalmology