15 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 / Sclera ... Cornea: • Corneal ... Keratitis (i.e. corneal ... 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 ... neuritis - Orbital cellulitis ... #Ocular #Pain #
Ocular Rosacea - Slit-lamp examination revealed telangiectasia with hyperemia of the eyelid margins, conjunctival hyperemia, and
eyelid margins, conjunctival ... neovascularization of the cornea ... corneal infiltrate ... #Rosacea #Corneal ... Pseudopterygium #NEJM
Trachoma: Pathogenesis and clinical findings

 • Environmental Factors -> Bacterial infection is encouraged by poor hygiene
from nasal or ocular ... of the limbal cornea ... the peripheral cornea ... fibrosis => • Corneal ... Trachoma #Chlamydia #pathophysiology
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Orbital Cellulitis ... of the bulbar conjunctiva ... Proptosis -> Exposes cornea ... -> Corneal drying ... #pathophysiology
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Atraumatic Red Eye ... Ocular Surface ... Conjunctivitis • Corneal ... • Keratitis/Corneal ... Diagnosis #Algorithm #Causes
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 ... ophthalmicus • Orbital cellulitis ... Episcleritis Ocular ... Blepharitis Cornea ... • Corneal ulcer
Bitot's Spots- A 4-year-old boy was brought by his father to the ophthalmology clinic with a
near the outer corners ... The ocular findings ... as a result of corneal ... #NEJM #clinical ... #photo #ophth #bitot