Thornton, Spencer P. <br/><br/>
Radial and astigmatic keratotomy :  the American system of precise, predictable refractive surgery / 
by Spencer P. Thornton 
 - Thorofare, N.J. :  Slack Inc.,  1994. 
 - 204 p. :  ill. ;  26 cm. 
<br/><br/><label>ISBN: </label>1556422385 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astigmatism--Surgery.<br/>Karatotomy, radial--Methods.