The Collaborative International Dictionary of English v.0.48:
Dim-sighted \Dim"-sight`ed\, a. Having dim sight; lacking perception. -- Dim"-sight`ed*ness, n.WordNet (r) 3.0 (2006):
dim-sighted adj 1: having greatly reduced vision [syn: dim-sighted, near- blind, purblind, sand-blind, visually impaired, visually challenged]