. Author manuscript; available in PMC: 2015 May 1.

Published in final edited form as: Ophthalmology. 2014 Jan 24;121(5):988–993. doi: 10.1016/j.ophtha.2013.11.034

Table 1.

Characteristics of the control and keratoconus groups:

		Control group ^*	Keratoconus group ^*	P value
Age		33±5 years	37±10 years	0.19
Gender	Female	8	8	1.00
Gender	Male	7	7	1.00
Mean best spectacle corrected log MAR visual acuity		0 (20/20)	0.17±0.12 (approximately 20/30)	.001
Thinnest corneal thickness		526±25 μm	445±36 μm	.001
Average keratometry		43.2±1.6 diopters	48.5±7.3 diopters	.011
Astigmatic keratometry		0.8±0.2 diopters	5.2±3.0 diopters	.001

One randomly selected eye per patient was included in the analysis. Values are presented as means ± standard deviation.

log MAR: Logarithm of the Minimum Angle of Resolution.