11 results
Cotton Wool Spots

Caused by microinfarcts. Exploded ganglion cell axons extrude their axoplasm into retina. Long DDx:
Cotton Wool Spots ... hypertension, diabetes ... #CottonWool #Spots ... #fundoscopy #ophthalmology
Hypertensive Retinopathy on Fundoscopy Ocular Examination

Patient with grade IV hypertensive retinopathy. Papilledema, hemorrhages, and cotton-wool spots
Hypertensive Retinopathy ... IV hypertensive retinopathy ... and cotton-wool spots ... #cottonwool #Retina ... clinical #video #ophthalmology
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
Diabetic Retinopathy ... -> Cotton-wool spots ... #Retinopathy #Diabetes ... #ophthalmology ... complications #pathophysiology
Purtscher Retinopathy on Fundoscopy Ocular Examination

33 year-old who presents 2 weeks after car accident.  Fundus
Purtscher Retinopathy ... multiple cotton-wool spots ... #Purtscher #Retinopathy ... #cottonwool #spots ... clinical #video #ophthalmology
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Occlusion (CRVO) - Pathophysiology ... common cause: Diabetic ... retinopathy) ... #Clinical #Ophthalmology
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
- Cotton wool spots ... Macular Edema: • Diabetic ... Retinopathy (Background ... Glaucoma (Open-Angle ... 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
degeneration • Diabetic ... retinopathy • ... Migraine • Acute angle-closure ... hyperviscosity syndrome, diabetes ... differential #diagnosis #ophthalmology
Cotton Wool Spots- "In otherwise healthy patients, the observance of a cotton wool spot (CWS) is
ophthalmoscopic finding in diabetic ... or hypertensive retinopathy ... #retina #Ophthalmology ... #hypertensive #diabetic ... #retinopathy #aao
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