28 results
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
Subconjunctival hemorrhage ... • Dry eyes Cornea ... : • Corneal abrasion ... Diagnosis #table #causes ... #ophthalmology
Horner's Syndrome: Loss of sympathetic nervous system input to (in this case) right eye. 
Note that
input to (in this case ... left (known as ptosis ... Images #Clinical #Ophthalmology ... #Photo #Horners ... #Syndrome #Ptosis
All About Horner's Syndrome

Horner's syndrome, known as 
"oculosympathetic paresis" by people 
who don't have friends, is
have friends, is caused ... classically results in ptosis ... droop eyelid), miosis ... in 1855 by Ed Horner ... Syndrome #Overview #Ophthalmology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
• Look for ptosis ... Functional • Corneal ... depressed, abducted, ptosis ... Trauma • Subdural Hemorrhage ... #Ophthalmology
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Chronic: - Cornea ... Painful: Keratitis, Corneal ... , Vitreal Hemorrhage ... Differential #Diagnosis #causes ... #ophthalmology
Amblyopia - Lazy Eye - Differential Diagnosis Algorithm
Deprivational - Obstruction of Visual Axis:
 • Ptosis
 •
Visual Axis: • Ptosis ... • Congenital Corneal ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Subconjunctival Hemorrhage ... Conjunctivitis • Corneal ... • Keratitis/Corneal ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Diagnosis Framework Causes ... Hypothermia Causes ... Neuro: Pontine hemorrhage ... differential #diagnosis #ophthalmology ... #causes
Traumatic Red Eye - Differential Diagnosis Algorithm
Surface Injury:
 • Corneal Abrasion
 • Ultraviolet Keratitis
 • Chemical
Surface Injury: • Corneal ... Subconjunctival hemorrhage ... • Cornea: Abrasion ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
red-brown coloured -> Copper ... dot/blot hemorrhages ... retina and flame hemorrhages ... hemorrhage and ... pathophysiology #ophthalmology