Seitz, B <br/><br/>
Nonmechanical corneal trephination with the excimer laser improves outcome after penetrating keratoplasty.  [electronic resource] 

 -  Ophthalmology  Jun 1999 
 - 1156-64; discussion 1165 p.  digital 
<br/><br/> Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial 
<br/><br/><label>ISSN: </label>0161-6420 
<br/><br/><label>Standard No.: </label>10.1016/S0161-6420(99)90265-8  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Aged<br/>Aged, 80 and over<br/>Astigmatism--prevention & control<br/>Cornea--surgery<br/>Corneal Diseases--surgery<br/>Corneal Topography<br/>Cross-Sectional Studies<br/>Double-Blind Method<br/>Female<br/>Humans<br/>Keratoplasty, Penetrating--methods<br/>Lasers, Excimer<br/>Male<br/>Middle Aged<br/>Photorefractive Keratectomy<br/>Prospective Studies<br/>Refraction, Ocular<br/>Tissue Donors<br/>Treatment Outcome<br/>Visual Acuity