A1S1T1I1G2M3I1A1
11 points
ASTIGMIA is validvalid
a visual defect
a defect in the eye or a lens by which rays from a single source are not focused at a single point, also ASTIGMATISM
a visual defect
a defect in the eye or a lens by which rays from a single source are not focused at a single point, also ASTIGMATISM