Horizontal prism.in:InvLen:Pt:Corrective lens.left:Qn:Lensmeter
horizontal prism.in:invlen:pt:corrective lens.left:qn:lensmeter
Horizontal prism.in:InvLen:Pt:Corrective lens.left:Qn:Lensmeter
horizontal prism.in:invlen:pt:corrective lens.left:qn:lensmeter