Tunnacliffe, A. H. <br/><br/>
Worked problems in ophthalmic lenses / 
A. H. Tunnacliffe and G. D. Janney 
 - London :  The Association of British Dispensing Opticians ,  1997 
 - 150  p.  :  ill.  ;  21 cm. 
<br/><br/><label>ISBN: </label>090009916X  RM78.26 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ophthalmic lenses<br/>Optics--problems, exercise, etc.
<br/><br/><label>National Library of Medicine Call No.: </label>WW355