18 results
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
• Look for ptosis ... a mass as the cause ... Functional • Corneal ... depressed, abducted, ptosis ... Trauma • Subdural Hemorrhage
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
Red Eye - Differential ... Subconjunctival hemorrhage ... : • Corneal abrasion ... Keratitis (i.e. corneal ... Diagnosis #table #causes
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 ... caustic exposure to eye ... differential #diagnosis #causes
Miosis Causes - 4 P's Mnemonic
Constricted: pupils < 2mm, Pinpoint: pupils < 1mm
 • Pain Killer:
Miosis Causes - ... Pons: Pontine hemorrhage ... • Pilocarpine: Eye ... drops #Miosis
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
can be caused by ... Conjunctivitis, corneal ... • Is the eye painful ... • Corneal ulcer ... ophthalmology #painful
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
Amblyopia - Lazy Eye - Differential Diagnosis Algorithm
Deprivational - Obstruction of Visual Axis:
 • Ptosis
 •
Amblyopia - Lazy Eye ... Visual Axis: • Ptosis ... • Congenital Corneal ... Diagnosis #Algorithm #Causes
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Atraumatic Red Eye ... Subconjunctival Hemorrhage ... Conjunctivitis • Corneal ... • Keratitis/Corneal ... Diagnosis #Algorithm #Causes
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
- Unilateral, Painful ... : Keratitis, Corneal ... , Vitreal Hemorrhage ... - Bilateral, Painful ... Differential #Diagnosis #causes
Strabismus - Ocular Misalignment - Differential Diagnosis Algorithm
Phoria:
 • Latent deviation
 • Symmetrical corneal light reflex,
• Symmetrical corneal ... • Esophoria (eye ... • Exophoria (eye ... and abducted, ptosis ... Diagnosis #Algorithm #Causes