Meaning of “short-sighted” - Learner’s Dictionary

short-sighted

adjective uk us /ˌʃɔːtˈsaɪtɪd/
SIGHT

not able to see far without wearing glasses

THINKING

not thinking enough about how an action will affect the future:

a short-sighted policy

(Definition of “short-sighted” from the Cambridge Learner’s Dictionary © Cambridge University Press)