Wakefield, Kelvin G. <br/><br/>
Bennett's ophthalmic prescription work / 
 Ophthalmic prescription work. 
by Kelvin G. Wakefield. 
 - 3rd ed. 
 - Oxford :  Butterworth-Heinemann,  1994. 
 - 292 pages :  illustrations ;  24 cm. 
<br/><br/><label>ISBN: </label>0750617489  RM103.25 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Eyeglasses.<br/>Optometry--Methods.