27 results
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
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
VI palsy is a red ... • Look for ptosis ... a mass as the cause ... Functional • Corneal ... Trauma • Subdural Hemorrhage
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Atraumatic Red Eye ... Subconjunctival Hemorrhage ... Conjunctivitis • Corneal ... • Keratitis/Corneal ... Diagnosis #Algorithm #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
Red Eye - Differential ... can be caused by ... Conjunctivitis, corneal ... • Corneal ulcer ... #Red #eye #Conjunctivitis
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
Traumatic Red Eye - Differential Diagnosis Algorithm
Surface Injury:
 • Corneal Abrasion
 • Ultraviolet Keratitis
 • Chemical
Traumatic Red Eye ... Surface Injury: • Corneal ... Subconjunctival hemorrhage ... Retina: Tear, hemorrhage ... Diagnosis #Algorithm #Causes
Proptosis - Differential Diagnosis - Unilateral vs Bilateral
Unilateral:
 • Infections (can become bilateral with cavernous sinus
- Orbital hemorrhage ... cavernous fistula Red ... • Fevers • Eye ... pain • Eye redness ... Unilateral #Bilateral #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