About: vision defect

Premodifier: vision
Head noun: defect

Same concepts
http://dbpedia.org/resource/Visual_impairment

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
myopia	isap:388782713	0.584231
astigmatism	isap:144313267	0.562191
hyperopium	isap:255742790	0.430816
aberration	isap:255373974	0.333392