20 results
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
- Differential Diagnosis ... Chronic: - Cornea ... Cataracts - Macula ... : Macular degeneration ... #causes #ophthalmology
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 ... Detachment • Macular ... retinopathy • Macular ... #differential #diagnosis ... #ophthalmology
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
Pathogenesis and Ocular ... production -> Corneal ... #Xeropthalmia #pathophysiology ... #ophthalmology ... #diagnosis #signs
Approach to an Eye Exam

1. History
2. Obvious Physical Trauma
3. Initial Assessment
  A. Visual Acuity
Light Reflex, Accommodation ... Cornea D. ... Retina B. ... Macula D. ... EyeExamination #Approach #Ophthalmology
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
- Differential Diagnosis ... Algorithm Cornea ... - Obscure Red Reflex ... Degeneration (Wet, Dry) Retina ... Algorithm #Causes #Ophthalmology
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
Focal areas of saccular ... neovascularization in the disc, macula ... Retinopathy #Diabetes #ophthalmology ... #diagnosis #complications ... #pathophysiology
Traumatic Red Eye - Differential Diagnosis Algorithm
Surface Injury:
 • Corneal Abrasion
 • Ultraviolet Keratitis
 • Chemical
- Differential Diagnosis ... Surface Injury: • Corneal ... periorbital, ecchymosis, subcutaneous ... hemorrhage • Retina ... Algorithm #Causes #Ophthalmology
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
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
red reflex) • ... spread • Sub-retinal ... Retinoblastoma #pathophysiology ... #ophthalmology ... #diagnosis #signs
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Central Retinal ... supplying the macula ... Occlusion #CRAO #pathophysiology ... #ophthalmology ... #diagnosis #signs