TY  - BOOK
AU  - Keirl,Andrew
AU  - Christie,Caroline
TI  - Clinical optics and refraction: a guide for optometrists, contact lens opticians, and dispensing opticians 
SN  - 0750688890
PY  - 2007///
CY  - Edinburgh
PB  - Bailliere Tindall Elsevier/Butterworth-Heinemann
KW  - Refraction, Ocular
KW  - Optics
KW  - Optometry
KW  - Eye
KW  - Diseases
ER  -