Xanthopsia

Xanthopsia refers to the predominance of yellow in vision due to a yellowing of the optic media of the eye. The most common cause is digoxin toxicity and the development of cataracts which can cause a yellow filtering effect.

It has been suggested that Digitalis-derived digoxin, used to treat epilepsy, induced xanthopsia responsible for the yellow tinting exhibited by many of Van Gogh's works.