Short-sighted means unable to see distant things clearly. Short-sighted since childhood, badly short-sighted.
The eye is slightly too long, so the image forms in front of the retina rather than on it. Figuratively it means failing to think ahead, which is the commoner use in writing.
1adjectiveshort-sightedUnable to see distant things clearly.
“He was too short-sighted to read the board from the back.”
short-sighted is a quality.
Practised in Ways of Looking