blinkered
adjective
ˈblɪŋkəd 
ˈblɪŋkərd not aware of every aspect of a situation; not willing to accept different ideas about something
Synonym
narrow-mindeda blinkered policy/attitude/approach
Definition of blinkered adjective from the Oxford Advanced Learner's Dictionary
ˈblɪŋkəd ˈblɪŋkərd 