BLINKERED
Adjective
blinkered (comparative more blinkered, superlative most blinkered)
Wearing blinkers or blinders.
(figuratively) Having tunnel vision; unable to see what is happening around one.
Verb
blinkered
simple past tense and past participle of blinker
Source: Wiktionary
BLINKER
Blink"er, n.
1. One who, or that which, blinks.
2. A blinder for horses; a flap of leather on a horse's bridle to
prevent him from seeing objects as his side hence, whatever obstructs
sight or discernment.
Nor bigots who but one way see, through blinkers of authority. M.
Green.
3. pl.
Definition: A kind of goggles, used to protect the eyes form glare, etc.
Source: Webster’s Unabridged Dictionary 1913 Edition