13 results
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
) - Pathophysiology ... Second most common cause ... disease (Most common cause ... ) #Clinical #Ophthalmology ... #Fundoscopy #Central
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Artery Occlusion (CRAO ... due to upstream CRAO ... edema caused by ... #pathophysiology ... #ophthalmology
Central Retinal Artery Occlusion (CRAO)
Anatomy: First branch of the internal carotid artery is the ophthalmic artery
Artery Occlusion (CRAO ... Causes: - Carotid ... #Clinical #Ophthalmology ... #Fundoscopy #Central ... #Occlusion #CRAO
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Vision Loss - Differential ... Detachment, Central ... #Vision #Loss #Differential ... #Diagnosis #causes ... #ophthalmology
Retinal Detachment
 - Posterior vitreous shrinks with advancing age (aka synchysis senilis), pulling on the retina.
Retinal Detachment ... - Pulling can cause ... ) #Clinical #Ophthalmology ... #Fundoscopy #Retinal ... #Detachment
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Signs / Symptoms / Complications ... spread • Sub-retinal ... detachment • ... Retinoblastoma #pathophysiology ... #ophthalmology
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Differential Diagnosis ... detachment, Vitreous ... , Retinal artery ... #diagnosis #causes ... #ophthalmology
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
into the deeper retinal ... ischemia causes ... Retinopathy #Diabetes #ophthalmology ... #diagnosis #complications ... #pathophysiology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Pupillary Defects - Differential ... Nerve Tumor • Retinal ... detachment • ... Diagnosis #Algorithm #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
Blurry Vision - Differential ... : • Detachment ... Concussion Other Causes ... #diagnosis #ophthalmology ... #causes