12 results
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
production -> Corneal ... and cornea, typically ... blindness) • Corneal ... dryness of the cornea ... #diagnosis #signs
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
Red Eye - Differential ... Periorbital cellulitis Conjunctiva ... Cornea: • Corneal ... Keratitis (i.e. corneal ... #causes #ophthalmology
Algorithm for the Evaluation of the Red and Painful Eye
1. External
2. Lids and Lashes
3. Conjunctiva and
Evaluation of the Red ... and Painful Eye ... Conjunctiva and ... Cornea 5. ... Painful #Algorithm #Diagnosis
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
of the bulbar conjunctiva ... Proptosis -> Exposes cornea ... -> Corneal drying ... pathophysiology #ophthalmology ... #diagnosis #signs
Traumatic Red Eye - Differential Diagnosis Algorithm
Surface Injury:
 • Corneal Abrasion
 • Ultraviolet Keratitis
 • Chemical
Traumatic Red Eye ... Surface Injury: • Corneal ... Laceration • Conjunctiva ... hemorrhage • Cornea ... Algorithm #Causes #Ophthalmology
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Red Eye - Differential ... Conjunctivitis, corneal ... Blepharitis Cornea ... • Corneal ulcer ... #Red #eye #Conjunctivitis
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Cornea 5. ... Trauma Cornea ... Keratitis • Corneal ... Blurry Vision Red ... #ophthalmology
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
Algorithm Cornea ... : • Keratoconus ... Lens - Obscure Red ... Track - Visual field ... Algorithm #Causes #Ophthalmology
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
present with a red ... eye and are acutely ... damage & blindness Signs ... obstruction • Corneal ... pathophysiology #ophthalmology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... the bilateral cortex ... light reflex • Corneal ... : • Bobbing: Rapid ... • Examine for signs