The Collaborative International Dictionary
                    Blinkard
                    
                        
                
                                                                    Blinkard \Blink"ard\, n. [Blind + -ard.]
- 
One who blinks with, or as with, weak eyes. Among the blind the one-eyed blinkard reigns. 
 --Marvell.
- That which twinkles or glances, as a dim star, which appears and disappears. 
 --Hakewill.
Douglas Harper's Etymology Dictionary
                    blinkard
                    
                        
                
                                                                    a mocking term for a person with bad eyesight, c.1500, from blink (v.) + -ard. Figuratively, "one who lacks intellectual perception" (1520s).
Wiktionary
                    blinkard
                    
                        
                
                                                                    n. 1 (context obsolete English) One with bad eyes. 2 A dim-witted or stupid person; an idiot.
Usage examples of "blinkard".
Oh, what blinkards are we gentlemen, to train any dumb beasts more carefully than we do Christians!