17 results
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Central Retinal ... Occlusion (CRVO) - Pathophysiology ... cause: Diabetic retinopathy ... ) #Clinical #Ophthalmology ... #Fundoscopy #Central
Central Retinal Artery Occlusion (CRAO)
Clinical:
 • Sudden, painless, complete loss of vision 
 • Pale retina
Central Retinal ... • Cherry red spot ... isosorbide) #Central ... Diagnosis #Clinical #Fundoscopy ... #Ophthalmology
Hypertensive Retinopathy on Fundoscopy Ocular Examination

Patient with grade IV hypertensive retinopathy. Papilledema, hemorrhages, and cotton-wool spots
Hypertensive Retinopathy ... on Fundoscopy Ocular ... and cotton-wool spots ... clinical #video #ophthalmology ... #Fundoscopy
Purtscher Retinopathy on Fundoscopy Ocular Examination

33 year-old who presents 2 weeks after car accident.  Fundus
Purtscher Retinopathy ... on Fundoscopy Ocular ... #cottonwool #spots ... clinical #video #ophthalmology ... #Fundoscopy
Age Related Macular Degeneration: Pathogenesis and clinical findings

Photoreceptor atrophy 
-> Extracellular debris (drusen) from RPE atrophy/metabolism
- Distorted central ... - Faded/blind spots ... in central vision ... MacularDegeneration #pathophysiology ... #ophthalmology
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
Diabetic Retinopathy ... -> Cotton-wool spots ... #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
• Hypertensive retinopathy ... • Central retinal ... Migraine • Acute angle-closure ... poisoning • Central ... differential #diagnosis #ophthalmology
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
- Cotton wool spots ... : • Diabetic Retinopathy ... Glaucoma (Open-Angle ... Algorithm #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
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Chronic Hypertensive Retinopathy ... -> Cotton-wool Spots ... -> Elschnig's Spots ... #pathophysiology ... #ophthalmology