Intrastromal Corneal Ring Segments for Astigmatism Correction after Deep Anterior Lamellar Keratoplasty

Table 1

Preoperative and postoperative data after ICRS implantation.

	Preop		Postop
	Mean	SD	Mean	SD
Maximum keratometry	47.20	±2.50	43.70	±3.45	<0.001
Minimum keratometry	43.33	±2.00	41.80	±3.53	0.005
Mean keratometry	45.26	±2.03	42.74	±3.44	<0.001
Spherical equivalent	−3.67	±2.74	−0.71	±2.35	<0.001
Topographic astigmatism	3.87	±1.95	1.90	±1.16	<0.001

Student’s t-test for paired samples, value. SD: standard deviation.