Ghai, Ashwani Kumar <br/><br/>
Refraction, dispensing optics and ophthalmic procedures 
Ashwani Kumar Ghai. 
 - New Delhi  Jaypee Brothers  c2013. 
 - xvi, 158p.: ill.; 23cm. 
<br/><br/><label>ISBN: </label>9789350901892 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optometry Opthalmic lenses  Vision disorders - Rheablitation. 
<br/><br/><label>Dewey Class. No.: </label>617.75  / G28R