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
hemorrhage • Dry eyes Cornea ... : • Corneal abrasion ... Keratitis (i.e. corneal ... Anterior Chamber: • Acute ... Diagnosis #table #causes
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
Selected Differential Diagnosis of Eye Pain: Key Features and Management Options

Conjunctiva

 - Bacterial conjunctivitis

 - Viral
Management Options Conjunctiva ... - Scleritis Cornea ... keratitis - Corneal ... chambers - Acute ... Ophthalmology #Eye #Ocular
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 ... Orbital #Cellulitis #pathophysiology
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 ... Nucleus Visual Cortex ... • Migraine • Acute
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Chronic: - Cornea ... Cataracts - Macula: Macular ... pituitary tumor) Acute ... Painful: Keratitis, Corneal ... Differential #Diagnosis #causes
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 ... Conjunctivitis #ocular
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Orbital Cellulitis Ocular ... Conjunctivitis • Corneal ... • Keratitis/Corneal ... Intraocular: • Acute ... Diagnosis #Algorithm #Causes
Onchocerciasis “River Blindness”: Pathogenesis and Ocular Manifestations
Vectorial Transmission
-> Onchocerca volvulus, a parasitic helminth, matures in to
Pathogenesis and Ocular ... directly from the conjunctiva ... stromal keratitis -> Corneal ... RiverBlindness #pathophysiology