Clinical optics and refraction / 
O. J. Lehmann...[et al.]. 
 - Oxford :  Butterworth-Heinemann ,  1998 
 - vii , 146  p.  ;  25 cm. 
<br/><br/><label>ISBN: </label>0750621885  RM128.33 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Refractive errors--examination questions.<br/>Optics.<br/>Refraction, Ocular.
<br/><br/><label>National Library of Medicine Call No.: </label>WW18.2