Manual

Sudden painless vision loss

Vision Loss

Sudden painless vision loss

Vascular, retinal, neuro.

CauseClues
CRAOCherry-red spot, RAPD, profound loss
CRVOBlood and thunder fundus
Vitreous hemorrhageDiabetic, poor red reflex, floaters
Retinal detachmentFlashes/floaters, curtain
NAIONAge 50+, disc edema with crowded fellow disc, altitudinal defect
AAION (GCA)Pallid edema, systemic symptoms, ESR/CRP ↑
Wet AMDMetamorphopsia, subretinal hemorrhage
Occipital strokeHomonymous field loss, normal eye exam
NextTransient monocular vision loss

Educational summary — follow local protocols and current guidelines.