A program for adding and subtracting refractive powers with oblique crossed cylinders.
A microcomputer program that calculates the sum or the difference of two refractions with oblique crossed cylinders is described. The program can be used to calculate the total dioptric change induced in the cornea at the time of surgery or suture removal.
D003201:Computers; D003315:Cornea / Q000601:surgery; D006801:Humans; D008838:Microcomputers; D012029:Refraction, Ocular; D012984:Software