A1S1T1I1G2M3A1T1I1S1M3
16 points
ASTIGMATISM is validvalid
[n ASTIGMATISMS]
a defect in the eye or a lens by which rays from a single source are not focused at a single point, also ASTIGMIA [n -S]
[n ASTIGMATISMS]
a defect in the eye or a lens by which rays from a single source are not focused at a single point, also ASTIGMIA [n -S]