Ocular prosthetic

• Faux peeper
• Mr. Peanut accessory
• Drink under the bar, allegedly, one of us
• Taxidermist's item
• Peter Falk feature
• Sammy Davis Jr. had one
• Good girl, yes, I hear, but not really a looker

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Wall-eye \Wall"-eye`\, n. [See Wall-eyed .] An eye in which the iris is of a very light gray or whitish color; -- said usually of horses. --Booth. Note: Jonson has defined wall-eye to be ``a disease in the crystalline humor of the eye; glaucoma.'' ...

Wiktionary Word definitions in Wiktionary
n. 1 A fish, the wall-eyed pike. 2 A form of blindness in horses in which the eye is bright and the pupil dilated; a sort of amaurosis.