Freeman, Paul B <br/><br/>
A public health service.  [electronic resource] 

 -  Optometry (St. Louis, Mo.)  May 2011 
 - 259-60 p.  digital 
<br/><br/> Publication Type: Editorial 
<br/><br/><label>ISSN: </label>1558-1527 
<br/><br/><label>Standard No.: </label>10.1016/j.optm.2011.03.002  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Imaging, Three-Dimensional--adverse effects<br/>Motion Pictures<br/>Optometry--methods<br/>Video Games--adverse effects<br/>Vision Disorders--diagnosis<br/>Vision Screening