2 Shortz Era entries found. Click any date for context.
See the dictionary definition for DIOPTER.
|Sunday, August 24, 2003||9D||Unit of refractive power of a lens||Patrick Berry|
|Wednesday, October 14, 1998||29A||Eyeglass prescription measurement||Jay Sullivan|
1 result for DIOPTER from older pre-Shortz puzzles.
|Sunday, September 25, 1966||39D||Oculist's unit.||Eugene Maleska||Farrar|