op-, opt-, optico-, opsi-, opso-, -opia, -ops, -opsia, -opsis, -opsy, -optic, -opic, -opy

(Greek: eye[s]; sight; see, vision)

The inability to perceive red or green tints, while the vision in this case is limited to yellow and blue.
1. A visual defect in which objects appear to have a yellowish hue; sometimes this defect occurs in cases of jaundice.
2. A visual defect in which objects appear as if they have been over painted with an unnatural color which is yellow.
zoopsia (s) (noun), zoopsias (pl)
An hallucinatory vision of animals or a form of imagination in which the sufferer imagines he or she sees animals that are not there.

Related references to "eye" or "eye part" word families: blepharo-; core-; corneo-; eye, eyes; irido-; lenti-, lens-; lenticulo-; ocelli-; oculo-; ophthalmo-; phaco-; pupillo-; retino-; uveo-.

Cross references of word families that are related directly, or indirectly, to: "appear, visible, visual, manifest, show, see, reveal, look": blep-; delo-; demonstra-; -orama; pare-; phanero-; phant-; pheno-; scopo-; spec-; vela-, veal-; video-, visuo-.