18 results
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Retinopathy: Pathogenesis ... -> Cotton-wool Spots ... -> Elschnig's Spots ... #pathophysiology ... #ophthalmology
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
Chronic Vision Loss ... - Cotton wool spots ... : • Diabetic Retinopathy ... Diagnosis #Algorithm #Causes ... #Ophthalmology
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
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
Diabetic Retinopathy ... -> Cotton-wool spots ... retinal ischemia causes ... #Diabetes #ophthalmology ... complications #pathophysiology
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Differential Diagnosis Chronic ... Retina: Diabetic retinopathy ... Differential #Diagnosis #causes ... #ophthalmology
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
focal melting) -> Retinopathy ... conjunctiva) • Bitot's spots ... #Xeropthalmia #pathophysiology ... #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
• Hypertensive retinopathy ... Concussion Other Causes ... Migraine • Acute angle-closure ... differential #diagnosis #ophthalmology ... #causes
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
  -
Associated with chronic ... Patients with chronic ... Caused by decreased ... Ocular causes - ... Differential #Diagnosis #Ophthalmology
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
survival is 93-95% Pathophysiology ... symptoms are not caused ... Self-limiting, chronic ... Extrapulmonary: ankle ... polyarthritis(symmetrical, ankles
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
Acute Closed Angle ... • Significant cause ... most frequent cause ... ClosedAngle #Glaucoma #pathophysiology ... #ophthalmology