,A 3.2-mm incision was made in clear cornea at the limbus with a diamond keratome at the 3 o'clock position, and 0.1 cc of 1% Xylocaine without preservative was instilled into the anterior chamber. 
,A 3.2 - mm incision was made in clear cornea at the limbus with a diamond keratome at the 3 o'clock position , and 0.1 cc of 1 % Xylocaine without preservative was instilled into the anterior chamber .