29 results
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
: Macular degeneration ... - Retina: Diabetic ... Lens Dislocation, Retinal ... Occlusion, Central Retinal ... Optic Neuropathy, Retinal
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
- Differential Diagnosis ... Retina 11. ... Ocular Adverse Effects ... Detachment • Macular ... retinopathy • Macular
Ocular Ultrasound Pocketcard
Painless Vision Loss
 • Retinal Detachment 
 • Posterior Vitreous Detachment 
 • Vitreous
Ocular Ultrasound ... Vision Loss • Retinal ... Hemorrhage • Central Retinal ... Vision Loss • Retinal ... @Pocus101 #Ocular
Central retinal artery occlusion (CRAO). Positive "spot sign" on Ocular Ultrasound

78 yo M with sudden onset
Central retinal ... Positive "spot sign ... " on Ocular Ultrasound ... Clinical #POCUS #Ocular ... #Ultrasound
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Central Retinal ... (CRAO) • The retina ... supplying the macula ... ophthalmology #diagnosis ... #signs #symptoms
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
Pathogenesis and Ocular ... Decr Visual pigment ... production -> Corneal ... ophthalmology #diagnosis ... #signs #symptoms
Floaters - Differential Diagnosis Framework

What?
Vitreous Floaters:
• Microscopic collagen fibers within the vitreous that tend to clump
- Differential Diagnosis ... shadows on the retina ... Detachment: Symptoms ... #Differential #Diagnosis ... #Ocular #ophthalmology
Shafer's sign on Slit Lamp Ocular Examination

Shafer's sign in a patient with retinal detachment.

Dr. Sebastian Vega
Shafer's sign on ... Slit Lamp Ocular ... a patient with retinal ... #pigment #Vitreous ... #Ocular #PhysicalExam
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
hemorrhages in the inner retina ... nervefiber layer -> Retinal ... of the terminal retinal ... lesions in the inner retinal ... #signs #symptoms
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
- Differential Diagnosis ... Algorithm Cornea ... • Age Related Macular ... Degeneration (Wet, Dry) Retina ... Hemorrhage and Macular