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3 results for DIOPTER

2 Shortz Era entries found. Click any date for context.
See the dictionary definition for DIOPTER.

Sunday, August 24, 20039DUnit of refractive power of a lensPatrick Berry
Wednesday, October 14, 199829AEyeglass prescription measurementJay Sullivan

1 result for DIOPTER from older pre-Shortz puzzles.

Sunday, September 25, 196639DOculist's unit.Eugene MaleskaFarrar