000 00330nam a2200145Ia 4500
999 _c27236
_d27236
020 _a9788131249154
082 _a617.5
_bKHU
100 _aKhurana AK
245 0 _aTheory and Practice of Optics and Refraction,
250 _a4
260 _bElsevier
_c2018
300 _eNO
_a526,p.
650 _aOphthalmology
942 _cBKS