Refraction a programmed text /
Reinecke, Robert D., 1929-.
Refraction a programmed text / By Robert D. Reinecke and Robert J. Herm. - 2nd ed. - Norwalk, Conn. : Appleton-Century-Crofts, 1976. - 365 p. : ill. ; 24 cm.
Includes index.
0838582990
Eye--Accomodation and refraction--Programmed instruction.
Refraction, Ocular--Programmed texts.
Refraction a programmed text / By Robert D. Reinecke and Robert J. Herm. - 2nd ed. - Norwalk, Conn. : Appleton-Century-Crofts, 1976. - 365 p. : ill. ; 24 cm.
Includes index.
0838582990
Eye--Accomodation and refraction--Programmed instruction.
Refraction, Ocular--Programmed texts.