18 results
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Chronic: - Cornea ... Cataracts - Macula: Macular ... Painful: Keratitis, Corneal ... Differential #Diagnosis #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
Cornea 5. ... Ocular Adverse Effects ... Concussion Other Causes ... differential #diagnosis #ophthalmology ... #causes
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 #symptoms
Approach to an Eye Exam

1. History
2. Obvious Physical Trauma
3. Initial Assessment
  A. Visual Acuity
Accommodation, RAPD ... Ocular Movements ... Cornea D. ... Retina B. ... EyeExamination #Approach #Ophthalmology
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Central Retinal ... edema caused by ... Occlusion #CRAO #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Common Causes: ... Episcleritis Ocular ... Unilateral or bilateral symptoms ... Conjunctivitis #ocular ... differential #diagnosis #ophthalmology
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Impaired extra-ocular ... -> Corneal drying ... Orbital #Cellulitis #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
nervefiber layer -> Retinal ... of the terminal retinal ... #Retinopathy #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
Diagnosis Algorithm Cornea ... • Age Related Macular ... Degeneration (Wet, Dry) Retina ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Aqueous Humor Production and Drainage
 • Provides nutrition, removes wastes, and transports neurotransmitters to the avascular
avascular lens and cornea ... structural integrity of ocular ... circulation #AqueousHumor ... Drainage #flow #Pathophysiology ... #ophthalmology