glasseye

noun

1. A fish, the walleyed pike.
2. A form of blindness in horses in which the eye is bright and the pupil dilated; a sort of amaurosis.

   “1831-1850, William Youatt, On the Structure and the Diseases of the Horse Another species of blindness , and of which mention was made when describing the retina , is Gutta Serena , commonly called glass eye. The pupil is more than usually dilated : it is immovable , and bright , and glassy .”