12 results
Cotton Wool Spots

Caused by microinfarcts. Exploded ganglion cell axons extrude their axoplasm into retina. Long DDx:
Cotton Wool Spots ... diabetes, HIV, severe anemia ... #CottonWool #Spots ... #fundoscopy #ophthalmology
Dacrocytes (tear drop cells) 
Other poikilocytes resemble a pear or teardrop. The narrow, tapered end
may be
Dacrocytes (tear ... may be long or short ... each of the above photos ... metaplasia, pernicious anemia ... some hemolytic anemias
Purtscher Retinopathy on Fundoscopy Ocular Examination

33 year-old who presents 2 weeks after car accident.  Fundus
on Fundoscopy Ocular ... Examination 33 year-old ... #Retinopathy #cottonwool ... #spots #Ocular ... clinical #video #ophthalmology
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Reversible Loss of Vision in Malignant Hypertension - Fundus examination revealed bilateral disk edema (Panel A,
black arrow), macular ... and cotton-wool spots ... #Clinical #Ophthalmology ... #Papilledema #Cottonwool ... SplinterHemorrhages #NEJM
Hypertensive Retinopathy on Fundoscopy Ocular Examination

Patient with grade IV hypertensive retinopathy. Papilledema, hemorrhages, and cotton-wool spots
on Fundoscopy Ocular ... and cotton-wool spots ... #Retinopathy #cottonwool ... #Retina #Ocular ... clinical #video #ophthalmology
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Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
Pathogenesis and Ocular ... mucins with reduced tear ... conjunctiva) • Bitot's spots ... pathophysiology #ophthalmology
Bitot's Spots- A 4-year-old boy was brought by his father to the ophthalmology clinic with a
Bitot's Spots- A ... father to the ophthalmology ... The ocular findings ... #NEJM #clinical ... #photo #ophth #bitot
Floaters - Differential Diagnosis Framework

What?
Vitreous Floaters:
• Microscopic collagen fibers within the vitreous that tend to clump
Patients As: • Black spots ... the vision • Spots ... • Vitritis • Tear ... Differential #Diagnosis #Ocular ... #ophthalmology
Age Related Macular Degeneration: Pathogenesis and clinical findings

Photoreceptor atrophy 
-> Extracellular debris (drusen) from RPE atrophy/metabolism
Age Related Macular ... Amsler grid) - Macular ... RPE -> Loss of photo ... - Faded/blind spots ... pathophysiology #ophthalmology
Koilonychia in Iron-Deficiency Anemia- A 54-year-old woman presented to the primary care clinic with fatigue and
Iron-Deficiency Anemia ... - A 54-year-old ... fatigue and a 7-year ... #NEJM #clinical ... #photo #koilonychia