14 results
Age Related Macular Degeneration: Pathogenesis and clinical findings

Photoreceptor atrophy 
-> Extracellular debris (drusen) from RPE atrophy/metabolism
membrane reduces blood ... RPE -> Loss of photo ... - Faded/blind spots ... early disease) #AgeRelated ... pathophysiology #ophthalmology
Dacrocytes (tear drop cells) 
Other poikilocytes resemble a pear or teardrop. The narrow, tapered end
may be
Dacrocytes (tear ... poikilocytes resemble a pear ... may be long or short ... each of the above photos ... Path #BloodSmear #Blood
Cotton Wool Spots- "In otherwise healthy patients, the observance of a cotton wool spot (CWS) is
Cotton Wool Spots ... a cotton wool spot ... single cotton wool spot ... #retina #Ophthalmology ... #photo #hypertensive
Halo Sign in Basal Skull Fracture

Halo of lighter liquid around blood spot on the cloth indicates
liquid around blood ... spot on the cloth ... leaking from the ear ... Trauma #Clinical #Photo
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 ... consistent with Bitot’s spots ... #NEJM #clinical ... #spots #Corynebacterium
Reversible Loss of Vision in Malignant Hypertension - Fundus examination revealed bilateral disk edema (Panel A,
and cotton-wool spots ... treatment, his blood ... #Clinical #Ophthalmology ... SplinterHemorrhages #NEJM
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
mucins with reduced tear ... conjunctiva) • Bitot's spots ... pathophysiology #ophthalmology
Floaters - Differential Diagnosis Framework

What?
Vitreous Floaters:
• Microscopic collagen fibers within the vitreous that tend to clump
Patients As: • Black spots ... the vision • Spots ... detachment • Retinal tear ... • Vitritis • Tear ... Diagnosis #Ocular #ophthalmology
Purtscher Retinopathy on Fundoscopy Ocular Examination

33 year-old who presents 2 weeks after car accident.  Fundus
Examination 33 year-old ... multiple cotton-wool spots ... Retinopathy #cottonwool #spots ... clinical #video #ophthalmology
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
defects) -> Abnormal blood ... ) -> Increased blood ... -> Cherry-red spot ... retinal artery blood ... pathophysiology #ophthalmology