Meier, A M <br/><br/>
Measured power distribution across the Bausch and Lomb Soflens (PAI) Bifocal.  [electronic resource] 

 -  Journal of the American Optometric Association  Mar 1983 
 - 263-5 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0003-0244 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Contact Lenses, Hydrophilic--standards<br/>Humans<br/>Optics and Photonics--instrumentation