STIGMA is "a symbol of disgrace or infamy"
so Astigmatism is lack of seeing STIGMA
or
"impaired eyesight resulting usually from irregular conformation of the cornea"
astigmatism ~ without stigma (related to eye)
ASTIGMATISM = Asti (Against) + GMAT + ISM; i.e Against of who is taking gmat exam is a evil work for development of human resource.
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