19 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 ... Anterior Chamber: • Acute ... Diagnosis #table #causes
Selected Differential Diagnosis of Eye Pain: Key Features and Management Options

Conjunctiva

 - Bacterial conjunctivitis

 - Viral
Management Options Conjunctiva ... - Scleritis Cornea ... keratitis - Corneal ... chambers - Acute ... #Ocular #Pain #
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. ... Ocular Adverse Effects ... 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 ... Complete vision ... • Corneal ulcer
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Vision Loss - Differential ... Chronic: - Cornea ... pituitary tumor) Acute ... Painful: Keratitis, Corneal ... #Diagnosis #causes
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Atraumatic Red Eye ... Orbital Cellulitis Ocular ... Conjunctivitis • Corneal ... • Keratitis/Corneal ... Intraocular: • Acute
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Loss: • Corneal ... abrasion, Acute ... caustic exposure to eye ... caustic exposure to eye ... differential #diagnosis #causes
Unilateral Acute Vision Loss - Differential Diagnosis Algorithm
Painful - Cornea
 • Keratopathy
Painful - No Abnormalities of
Unilateral Acute ... Vision Loss - Differential ... Algorithm Painful - Cornea ... Optic Nerve • Acute ... Diagnosis #Algorithm #Causes
Bitot's Spots- A 4-year-old boy was brought by his father to the ophthalmology clinic with a
decreased night vision ... near the outer corners ... The ocular findings ... as a result of corneal ... NEJM #clinical #photo