Amaurosis fugax

Amaurosis fugax
The arteries of the choroid and iris. The greater part of the sclera has been removed.
SpecialtyNeurology, ophthalmology 
SymptomsTemporary fleeting of vision in one or both eyes
ComplicationsStroke
DurationSeconds to hours

Amaurosis fugax (Ancient Greek: ἀμαύρωσις, amaurosis meaning 'darkening', 'dark', or 'obscure', Latin: fugax meaning 'fleeting') is a painless temporary loss of vision in one or both eyes.