TY  - BOOK
AU  - KHURANA, A.K.
TI  - THEORY AND PRACTICE OF OPTICS AND REFRACTION 
SN  - 9788131263716
U1  - 617.7 
PY  - 2023///
CY  - INDIA 
PB  - ELSEVIER PUB 
KW  - OPHTHALMOLOGY
KW  - PRACTICE OF OPTICS AND REFRACTION
ER  -