11 results
Central Retinal Vein Occlusion (CRVO): Pathogenesis and clinical findings

#CentralRetinalVein #Occlusion #CRVO #pathophysiology #ophthalmology #diagnosis #signs #symptoms
Central Retinal ... Vein Occlusion (CRVO ... #pathophysiology ... #ophthalmology ... #diagnosis #signs
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Central Retinal ... pallor -> Cherry-red ... #pathophysiology ... #ophthalmology ... #diagnosis #signs
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 ... Retina 11. ... nerve swelling Retina ... Blurry Vision Red ... #ophthalmology
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
degeneration - Retina ... Dislocation, Retinal ... Detachment, Central Retinal ... Occlusion, Central Retinal ... Optic Neuropathy, Retinal
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
absent or partial retinal ... spread • Sub-retinal ... visual acuity - Retinal ... #ophthalmology ... #diagnosis #signs
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Diagnosis Framework ... Optic neuritis • Retinal ... detachment • Central retinal ... occlusion • Central retinal ... #diagnosis #ophthalmology
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
Algorithm Cornea ... • Pterygium Lens ... - Obscure Red Reflex ... Degeneration (Wet, Dry) Retina ... Algorithm #Causes #Ophthalmology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
hemorrhages in the inner retina ... nervefiber layer -> Retinal ... of the terminal retinal ... lesions in the inner retinal ... #diagnosis #signs
Traumatic Red Eye - Differential Diagnosis Algorithm
Surface Injury:
 • Corneal Abrasion
 • Ultraviolet Keratitis
 • Chemical
Traumatic Red Eye ... hemorrhage • Cornea ... mydriasis • Lens ... hemorrhage • Retina ... Algorithm #Causes #Ophthalmology
Astigmatism: Pathogenesis and clinical findings
Astigmatism - deviation from spherical curvature of the lens or eye

Refracting power
curvature of the lens ... of focus on the retina ... • Headache • Ocular ... #astigmatism #pathophysiology ... #ophthalmology