Meaning : Having very keen vision.
Example :
Quick-sighted as a cat.
Synonyms : argus-eyed, hawk-eyed, lynx-eyed, quick-sighted, sharp-eyed, sharp-sighted
Meaning : Capable of seeing to a great distance.
Synonyms : eagle-eyed, farseeing, longsighted
Keen-sighted meaning in Bengali (Bangla).