Ritter, A D <br/><br/>
Dark focus of accommodation and nervous system activity.  [electronic resource] 

 -  Optometry and vision science : official publication of the American Academy of Optometry  Jul 1993 
 - 532-4 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1040-5488 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Accommodation, Ocular--physiology<br/>Dark Adaptation--physiology<br/>Exercise<br/>Humans<br/>Sympathetic Nervous System--physiology