interpupillary

inter- +‎ pupillary

interpupillary (not comparable)

1. (anatomy) Between the pupils of the eyes.
   • 1884, “The Dynamic State of the Lateral Ocular Muscles in Girls from 5 to 18 years of age”, in Edinburgh Medical Journal, volume 30, page 481:

     In connexion with a somewhat extensive research into the state of refraction, visual acuity, and interpupillary distance in the girls of a school in Heidelberg, Beselin (Arch. f. Augenh., xiv. 2) gives the following results with reference to the dynamic relations of the muscles […]

   • 1921 June 1, John A. Spengler, “Advantages of trifocal lenses and reasons why they should be worn”, in American Journal of Ophthalmology‎, volume 4, number 6, page 405:

     I use a Bausch and Lomb Interpupillary Distance Gauge, which will give give^[sic] the correct interpupillary distances for distance, intermediate, and close visions.

   • 2001, B. L. Bramfitt, Metallographer's Guide: Practice and Procedures for Irons and Steels‎, page 123:

     The eyepiece tubes are adjusted for the correct interpupillary distance, that is, the distance between the pupils of one's eyes.