• TIA - Amaurosis fugax
• Migraine
• Stroke
• Papilloedema
• Giant Cell Arteritis
• Glaucoma
• Retinal Detachment
• Optic Neuritis
• Central retinal vein occlusion (CRVO) (thrombus)
• Posterior Reversible Encephalopathy Syndrome (PRES)
• Central retinal artery occlusion (CRAO)
• Uveitis
• Keratonconus
• Trauma: hx trauma