1. LENSLENS A LENS mAy bE dEfiNEd AS A piEcE ofA LENS mAy bE dEfiNEd AS A piEcE of gLASS, pLAStic or ANy othErgLASS, pLAStic or ANy othEr trANSpArENt mAtEriAL which iStrANSpArENt…