25 results
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
Proptosis - Differential Diagnosis - Unilateral vs Bilateral
Unilateral:
 • Infections (can become bilateral with cavernous sinus
vs Bilateral Unilateral ... - Orbital hemorrhage ... • Fevers • Eye ... pain • Eye redness ... #Bilateral #Causes
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
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 ... of unilateral facial ... Hyperacusis - Loss of Corneal ... Reflex - Ptosis
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Diagnosis Framework Causes ... Mydriasis • Bilateral ... Hypothermia Causes ... Neuro: Pontine hemorrhage ... ophthalmology #causes
Miosis Causes - 4 P's Mnemonic
Constricted: pupils < 2mm, Pinpoint: pupils < 1mm
 • Pain Killer:
Miosis Causes - ... Pons: Pontine hemorrhage ... • Pilocarpine: Eye ... drops #Miosis
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Painful: Keratitis, Corneal ... Neuropathy, Retinal Hemorrhage ... , Vitreal Hemorrhage ... exposure) - Bilateral ... Differential #Diagnosis #causes
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 ... or bilateral symptoms ... • Corneal ulcer
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