<prompt> Gadzira shanduro yakaoma zvikuru yemutsara uyu Kune marudzi makuru matatu evashanduri, ayo ose akawanikwa kubva kuFresnel prisms.  <response>: Zvechokwadi, shanduro yakaoma zvikuru yemutsara uyu ndeiyi Kune marudzi makuru matatu evaparadzi, ayo ose akawanwa kubva kuFresnel prisms: the Gottlieb Visual Field Awareness System, the Chadwick hemianopsia lens, uye the EP horizontal lens. 