Skip to main content
. Author manuscript; available in PMC: 2013 Dec 1.
Published in final edited form as: J Cataract Refract Surg. 2012 Oct 13;38(12):2125–2130. doi: 10.1016/j.jcrs.2012.07.034

Table 2.

Endothelial cell changes after LASIK by preoperative contact lens status.

Parameter Before LASIK 5 Y Postop P Value*
Eyes (n) Mean ± SD Eyes (n) Mean ± SD
ECD (cells/mm2)
 Contact lens wearers 22 2899 ± 307 17 2972 ± 282 .94
 Non-contact lens wearers 20 2618 ± 440 18 2733 ± 338 .15
Hexagonal cells (%)
 Contact lens wearers 22 58 ± 8 17 57 ± 8 .66
 Non-contact lens wearers 20 60 ± 7 18 58 ± 5 .10
CoV of cell area (%)
 Contact lens wearers 22 34 ± 6 17 32 ± 4 .18
 Non-contact lens wearers 20 32 ± 4 18 31 ± 3 .63

CoV = coefficient of variation; ECD = endothelial cell density

*

Generalized estimating equation models