Raphaelson, Jacob <br/><br/>
A preventive and remedy for school-myopia : ... An optical discovery based on 55 years of individual and independent optical research 

 - Ohio  Research Foundation for Prevention of Myopia  1958 
 - 105 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astigmatism
<br/><br/><label>Dewey Class. No.: </label>614  / R181p 1958