39 results
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
production -> Corneal ... conjunctiva and cornea ... blindness) • Corneal ... dryness of the cornea ... #signs #symptoms
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Algorithm Lids ... Orbital Cellulitis Ocular ... Conjunctivitis • Corneal ... • Keratitis/Corneal ... #Algorithm #Causes
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Proptosis -> Exposes cornea ... -> Corneal drying ... Orbital #Cellulitis #pathophysiology ... ophthalmology #diagnosis ... #signs #symptoms
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
- Differential Diagnosis ... Chronic: - Cornea ... Cataracts - Macula: Macular ... Painful: Keratitis, Corneal ... #causes #ophthalmology
Keratoconus: Pathogenesis and Clinical Findings
Genetics
 • Family history of keratoconus
 • Ehlers-Danlos syndrome
 • Down, Turner,
Bilateral, asymmetric corneal ... degeneration, and cone-shaped ... / Symptoms / Complications ... • Corneal Opacities ... #Keratoconus #pathophysiology
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
many different causes ... the commonest cause ... Hyperacusis - Loss of Corneal ... Palsy #Neurology #Signs ... #Symptoms #Diagnosis
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
- Differential Diagnosis ... Cornea 5. ... Trauma Cornea ... Keratitis • Corneal ... Nucleus Visual Cortex
Traumatic Red Eye - Differential Diagnosis Algorithm
Surface Injury:
 • Corneal Abrasion
 • Ultraviolet Keratitis
 • Chemical
- Differential Diagnosis ... Algorithm Surface ... Injury: • Corneal ... hemorrhage • Cornea ... #Algorithm #Causes
Unilateral Acute Vision Loss - Differential Diagnosis Algorithm
Painful - Cornea
 • Keratopathy
Painful - No Abnormalities of
- Differential Diagnosis ... Algorithm Painful ... - Cornea • Keratopathy ... #Differential #Diagnosis ... #Algorithm #Causes
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
- Differential Diagnosis ... Conjunctivitis, corneal ... Blepharitis Cornea ... Unilateral or bilateral symptoms ... • Corneal ulcer