1) Vision defect 2) Visual defect 3) Visual disorder 4) Visual impairment 
Xanthopsia is a color vision deficiency in which there is a predominance of yellow in vision due to a yellowing of the optical media of the eye. The most common cause is digoxin`s inhibitory action on the Sodium pump, and the development of cataracts which can cause a yellow filtering effect. It has been suggested that Digitalis-derived digoxin, ....
a visual condition where things appear yellow
(xantho- + Gr. opsis vision + -ia) a form of chromatopsia in which objects looked at appear yellow.
<ophthalmology> A form of chromatopsia in which objects looked at appear yellow. ... Origin: Gr. Opsis = vision ... (11 May 1997) ... 
(zan-thop´se-ә) chromatopsia in which objects are seen as yellow.
Type: Term Pronunciation: zan-thop′sē-ă Definitions: 1. An optic condition that causes objects to appear yellow; may occur in poisoning by picric acid and santonin, in jaundice, and in digitalis intoxication. Synonyms: yellow vision
Xanthopsia: A form of chromatopsia, a visual defect in which objects appear as if they have been overpainted with an unnatural color. In xanthopsia, that color is yellow.
[n] - visual defect in which objects appear to have a yellowish hue
noun visual defect in which objects appear to have a yellowish hue; sometimes occurs in cases of jaundice
A type of defect in the vision wherein objects appear to be unnaturally over-painted. Yellow is the color associated with xanthopsia.