Xiao, Xin <br/><br/>
Prevalence of high astigmatism in children aged 3 to 6 years in Guangxi, China.  [electronic resource] 

 -  Optometry and vision science : official publication of the American Academy of Optometry  Apr 2014 
 - 390-6 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1538-9235 
<br/><br/><label>Standard No.: </label>10.1097/OPX.0000000000000221  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astigmatism--classification<br/>Child<br/>Child, Preschool<br/>China--epidemiology<br/>Cross-Sectional Studies<br/>Female<br/>Humans<br/>Male<br/>Prevalence<br/>Visual Acuity--physiology