D₂I₁O₁P₃T₁E₁R₁

10 points

DIOPTER is validvalid

a measure of refractive power [n DIOPTERS] : DIOPTRAL [adj]

37,776 of 196,601 in NWL2023·also valid in CSW24

a measure of refractive power, also DIOPTRE [n -S]

65,685 of 280,887 in CSW24·also valid in NWL2023