Sammy Davis Jr. had one

• Easy legs (anag) — prosthetic device
• Faux peeper
• Ocular prosthetic
• Mr. Peanut accessory
• Artificial object in orbit?
• Fake peeper
• It doesn't help you see better
• Drink under the bar, allegedly, one of us

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.