%0 Journal Article %T ¡äSIA-Soft¡ä : A new software to calculate surgically induced astigmatism in comparison with manual mathematics by vector method %A Basak Samar %A Basak Soham %A Chowdhury Aritra %J Indian Journal of Ophthalmology %D 2008 %I Medknow Publications %U http://www.ijo.in/article.asp?issn=0301-4738;year=2008;volume=56;issue=2;spage=170;epage=170;aulast=Basak