9 results
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
Pathogenesis and Ocular ... production -> Corneal ... and cornea, typically ... blindness) • Corneal ... dryness of the cornea
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
Periorbital cellulitis Conjunctiva ... Cornea: • Corneal ... Keratitis (i.e. corneal ... Differential #Diagnosis #table ... #causes #ophthalmology
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
of the bulbar conjunctiva ... Impaired extra-ocular ... Proptosis -> Exposes cornea ... -> Corneal drying ... ophthalmology #diagnosis #signs
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Anatomical Approach ... Cornea 5. ... Trauma Cornea ... Keratitis • Corneal ... Nucleus Visual Cortex
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Conjunctivitis, corneal ... Episcleritis Ocular ... Blepharitis Cornea ... • Corneal ulcer ... #ocular #differential
Approach to an Eye Exam

1. History
2. Obvious Physical Trauma
3. Initial Assessment
  A. Visual Acuity
Approach to an Eye ... Ocular Movements ... Sclera/ Conjunctiva ... Cornea D. ... Blood Vessels #Ocular
Bitot's Spots- A 4-year-old boy was brought by his father to the ophthalmology clinic with a
examination, the conjunctivae ... near the outer corners ... The ocular findings ... as a result of corneal ... NEJM #clinical #photo
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
present with a red eye ... • Significant cause ... -> crowding of ocular ... damage & blindness Signs ... obstruction • Corneal
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
the bilateral cortex ... light reflex • Corneal ... • Vestibulo-ocular ... • Examine for signs ... Casey Albin MD @