22 results
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
production -> Corneal ... conjunctiva and cornea ... blindness) • Corneal ... dryness of the cornea ... #signs #symptoms
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 ... Neurology #Signs #Symptoms ... #Diagnosis
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
- Differential Diagnosis ... Algorithm Lids ... Conjunctivitis • Corneal ... • Keratitis/Corneal ... #Algorithm #Causes
Traumatic Red Eye - Differential Diagnosis Algorithm
Surface Injury:
 • Corneal Abrasion
 • Ultraviolet Keratitis
 • Chemical
- Differential Diagnosis ... Algorithm Surface ... Injury: • Corneal ... hemorrhage • Cornea ... #Algorithm #Causes
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Proptosis -> Exposes cornea ... -> Corneal drying ... Orbital #Cellulitis #pathophysiology ... ophthalmology #diagnosis ... #signs #symptoms
Unilateral Acute Vision Loss - Differential Diagnosis Algorithm
Painful - Cornea
 • Keratopathy
Painful - No Abnormalities of
- Differential Diagnosis ... Algorithm Painful ... - Cornea • Keratopathy ... #Differential #Diagnosis ... #Algorithm #Causes
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Algorithm Clinical ... • CN VI palsy ... • Neurologic symptoms ... Functional • Corneal ... #Algorithm #Causes
Amblyopia - Lazy Eye - Differential Diagnosis Algorithm
Deprivational - Obstruction of Visual Axis:
 • Ptosis
 •
- Differential Diagnosis ... Algorithm Deprivational ... • Congenital Corneal ... #Differential #Diagnosis ... #Algorithm #Causes
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
Differential diagnoses ... sinusitis (CN VI palsy ... orbitopathy) • Corneal ... #Differential #Diagnosis ... #Causes #Ophthalmology
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
- Differential Diagnosis ... Conjunctivitis, corneal ... Blepharitis Cornea ... Unilateral or bilateral symptoms ... • Corneal ulcer