15 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 ... diagnosis #signs #symptoms
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Atraumatic Red Eye ... Differential Diagnosis Algorithm ... Conjunctivitis • Corneal ... • Keratitis/Corneal ... #Causes #Ophthalmology
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
all coats of the eye ... Proptosis -> Exposes cornea ... -> Corneal drying ... Orbital #Cellulitis #pathophysiology ... diagnosis #signs #symptoms
Traumatic Red Eye - Differential Diagnosis Algorithm
Surface Injury:
 • Corneal Abrasion
 • Ultraviolet Keratitis
 • Chemical
Traumatic Red Eye ... Differential Diagnosis Algorithm ... Surface Injury: • Corneal ... hemorrhage • Cornea ... #Causes #Ophthalmology
Keratoconus: Pathogenesis and Clinical Findings
Genetics
 • Family history of keratoconus
 • Ehlers-Danlos syndrome
 • Down, Turner,
Contact lens use • Eye ... Bilateral, asymmetric corneal ... degeneration, and cone-shaped ... Keratoconus Signs / Symptoms ... Rizutti's Sign • Corneal
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
can be caused by ... Conjunctivitis, corneal ... Blepharitis Cornea ... Unilateral or bilateral symptoms ... • Corneal ulcer
Amblyopia - Lazy Eye - Differential Diagnosis Algorithm
Deprivational - Obstruction of Visual Axis:
 • Ptosis
 •
Amblyopia - Lazy Eye ... Differential Diagnosis Algorithm ... • Congenital Corneal ... Differential #Diagnosis #Algorithm ... #Causes #Ophthalmology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Differential Diagnosis Algorithm ... • Neurologic symptoms ... a mass as the cause ... Functional • Corneal ... #Causes #Ophthalmology
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
Differential Diagnosis Algorithm ... Cornea: • Keratoconus ... • Edema • Pterygium ... Differential #Diagnosis #Algorithm ... #Causes #Ophthalmology
Strabismus - Ocular Misalignment - Differential Diagnosis Algorithm
Phoria:
 • Latent deviation
 • Symmetrical corneal light reflex,
Differential Diagnosis Algorithm ... • Symmetrical corneal ... , • Negative cover ... Differential #Diagnosis #Algorithm ... #Causes #Ophthalmology