36 results
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
- Differential Diagnosis ... • Look for ptosis ... Functional • Corneal ... depressed, abducted, ptosis ... Trauma • Subdural Hemorrhage
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
Diagnosis Lids: ... Subconjunctival hemorrhage ... : • Corneal abrasion ... Keratitis (i.e. corneal ... #table #causes
Miosis Causes - 4 P's Mnemonic
Constricted: pupils < 2mm, Pinpoint: pupils < 1mm
 • Pain Killer:
Miosis Causes - ... Pons: Pontine hemorrhage ... • Pilocarpine: Eye ... drops #Miosis ... #differential #diagnosis
Amblyopia - Lazy Eye - Differential Diagnosis Algorithm
Deprivational - Obstruction of Visual Axis:
 • Ptosis
 •
Amblyopia - Lazy Eye ... - Differential Diagnosis ... Visual Axis: • Ptosis ... • Congenital Corneal ... #Algorithm #Causes
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Atraumatic Red Eye ... - Differential Diagnosis ... Subconjunctival Hemorrhage ... • Keratitis/Corneal ... #Algorithm #Causes
Horner's Syndrome: Loss of sympathetic nervous system input to (in this case) right eye. 
Note that
) right eye. ... greater portion of eye ... left (known as ptosis ... Ophthalmology #Photo ... Horners #Syndrome #Ptosis
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
many different causes ... the commonest cause ... Hyperacusis - Loss of Corneal ... Reflex - Ptosis ... Signs #Symptoms #Diagnosis
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Diagnosis Framework ... can be caused by ... Conjunctivitis, corneal ... • Corneal ulcer ... #differential #diagnosis
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 ... /detachment diagnosis ... #Ocular #POCUS
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Differential Diagnosis ... Vision Loss: • Corneal ... caustic exposure to eye ... detachment or hemorrhage ... #causes #ophthalmology