11 results
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Occlusion (CRVO) - Pathophysiology ... Second most common cause ... disease (Most common cause ... : Diabetic retinopathy ... ) #Clinical #Ophthalmology
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Retina: Diabetic retinopathy ... Dislocation, Retinal Detachment ... Differential #Diagnosis #causes ... #ophthalmology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Chronic Hypertensive Retinopathy ... #Hypertensive #Retinopathy ... #pathophysiology ... #ophthalmology ... #diagnosis #signs
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Retinoblastoma Signs ... - Retinal detachment ... Retinoblastoma #pathophysiology ... #ophthalmology ... #diagnosis #signs
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
Diabetic Retinopathy ... retinal ischemia causes ... #Diabetic #Retinopathy ... #Diabetes #ophthalmology ... complications #pathophysiology
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Retina: • Detachment ... • Hypertensive retinopathy ... Concussion Other Causes ... differential #diagnosis #ophthalmology ... #causes
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
focal melting) -> Retinopathy ... #Xeropthalmia #pathophysiology ... #ophthalmology ... #diagnosis #signs
Retinopathy of Prematurity: Pathogenesis and clinical findings
Increased metabolic demand of growing eye
-> Excessive VEGF production ->
Retinopathy of Prematurity ... complete retinal detachment ... #Retinopathy ... peds #pediatrics #pathophysiology ... #ophthalmology
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
retinal edema caused ... Occlusion #CRAO #pathophysiology ... #ophthalmology ... #diagnosis #signs
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
• Significant cause ... most frequent cause ... damage & blindness Signs ... ClosedAngle #Glaucoma #pathophysiology ... #ophthalmology