Levene, John R. <br/><br/>
Clinical refraction and visual science 
By John R. Levene 
 - London  Butterworths  1977 
 - 346 p. : ill. ; 23 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0407000437 
<br/><br/><label>LCCN: </label>75-30555 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Eye--Accomodation and refraction<br/>Optics, Physiological--History<br/>Eye, Instruments and apparatus for--History<br/>Refraction, Ocular<br/>Vision<br/>Optics--History