TY  - BOOK
AU  - Levene,John R.
TI  - Clinical refraction and visual science
SN  - 0407000437
PY  - 1977///
CY  - London
PB  - Butterworths
KW  - Eye
KW  - Accomodation and refraction
KW  - Optics, Physiological
KW  - History
KW  - Eye, Instruments and apparatus for
KW  - Refraction, Ocular
KW  - Vision
KW  - Optics
N1  - Includes bibliographical references and index
ER  -