11 results
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Is visual loss caused ... the optic nerve caused ... altitudinal defect • Fundoscopy ... GiantCellArteritis #GCA ... #Rheumatology #Ophthalmology
Pathological Optic Disc Cupping

Note cup-to-disc ratio at least 0.8 (physiologic limit of 0.5).

Thinning of optic disc
Usual cause is glaucoma ... Glaucoma causes ... OpticDisc #Cupping #fundoscopy ... #ophthalmology
Cotton Wool Spots

Caused by microinfarcts. Exploded ganglion cell axons extrude their axoplasm into retina. Long DDx:
Wool Spots Caused ... CottonWool #Spots #fundoscopy ... #ophthalmology
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Second most common cause ... disease (Most common cause ... ) #Clinical #Ophthalmology ... #Fundoscopy #Central
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Diagnosis Framework Causes ... Ill paralysis (PCA ... Hypothermia Causes ... differential #diagnosis #ophthalmology ... #causes
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
cell arteritis (GCA ... cell arteritis (GCA ... GCA can present ... identifies 85 to 95% of cases ... required +/- prompt ophthalmology
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
GCA, SLE, GPA) - ... retinal edema caused ... pathophysiology #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
Concussion Other Causes ... angle-closure glaucoma • GCA ... differential #diagnosis #ophthalmology ... #causes
Central Retinal Artery Occlusion (CRAO)
Anatomy: First branch of the internal carotid artery is the ophthalmic artery
Causes: - Carotid ... also important cause ... #Clinical #Ophthalmology ... #Fundoscopy #Central
Retinal Detachment
 - Posterior vitreous shrinks with advancing age (aka synchysis senilis), pulling on the retina.
- Pulling can cause ... ) #Clinical #Ophthalmology ... #Fundoscopy #Retinal