O1R1T1H4O1P3T1I1S1T1
15 points
ORTHOPTIST is validvalid
one who practices orthoptics [n ORTHOPTISTS]
one who practises orthoptics, the science of correct vision [n -S]
one who practices orthoptics [n ORTHOPTISTS]
one who practises orthoptics, the science of correct vision [n -S]