00356nam a22001337a 4500020001800000082001500018100002100033245005000054250001200104260002500116300001300141524005000154654001800204  a9788123906041  a617.7bAGA  aAgarwal, Lalit P  aAgarwal's principles of optics and refraction  a5th ed.  aNew DelhibCBSc2023  a3-300 p.  aDr.Lathika, HOD, Dept. of Ophthalmology, AIMS  aOphthalmology