Stoner, Ellen <br/><br/>
Optical formulas tutorial / 
Ellen D. Stoner with Patricia Perkins, Roy Ferguson 
 - 2nd ed. 
 - St. Louis :  Elsevier Butterworth-Heinemann,  2005 
 - x, 254 p. :  ill. ;  28 cm. 
<br/><br/> Previous ed.: 1997 
<br/><br/><label>ISBN: </label>0750675047  RM172.31 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Opticianry--Formulae, receipts, prescriptions<br/>Opticianry--Formulae, receipts, prescriptions--Problems, exercises, etc.
<br/><br/><label>National Library of Medicine Call No.: </label>WW721  / . S877o 2005 9