Sherwin, Justin C <br/><br/>
Refractive error blindness in older africans.  [electronic resource] 

 -  Ophthalmology  Jul 2013 
 - e40 p.  digital 
<br/><br/> Publication Type: Letter; Comment 
<br/><br/><label>ISSN: </label>1549-4713 
<br/><br/><label>Standard No.: </label>10.1016/j.ophtha.2013.03.021  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Blindness--epidemiology<br/>Female<br/>Humans<br/>Male<br/>Urban Population--statistics & numerical data<br/>Vision, Low--epidemiology<br/>Persons with Visual Disabilities--statistics & numerical data