Clinical Performance of Toris K Contact Lens in Patients with Moderate to Advanced Keratoconus: A Real Life Retrospective Analysis

Table 3

Visual acuity (logMAR, mean ± sd, min./max.).

	UCVA	BCVA	BCLCVA	Mean gain line
All eyes	0.85 ± 0.38	0.47 ± 0.27	0.16 ± 0.20	3.6 ± 1.8
	0.30/1.30	0.10/1.30	0/1.00	0/7
Cone types
Oval (, 30%)	0.79 ± 0.30	0.43 ± 0.23	0.08 ± 0.09	4.0 ± 1.7
	0.30/1.30	0.10/1.00	0.00/0.20	1/7
Nipple (, 51.67%)	0.81 ± 0.40	0.48 ± 0.31	0.14 ± 0.19	3.7 ± 1.8
	0.30/1.30	0.10/1.30	0.00/1.00	0/6
Globus (, 18.33%)	1.08 ± 0.36	0.49 ± 0.20	0.25 ± 0.20	2.4 ± 1.6
	0.30/1.30	0.20/0.70	0.00/0.70	0/5
Cone location
Central (, 80%)	0.85 ± 0.38	0.47 ± 0.28	0.13 ± 0.18	3.8 ± 1.8
	0.30/1.30	0.10/1.30	0.00/1.00	0/7
Paracentral (, 20%)	0.91 ± 0.38	0.43 ± 0.24	0.17 ± 0.14	2.4 ± 1.2
	0.30/1.30	0.10/0.70	0.00/0.40	1/4
Severity of keratoconus
Moderate (, 83.3%)	0.81 ± 0.36	0.44 ± 0.25	0.12 ± 0.16	3.7 ± 1.8
	0.30/1.30	0.10/1.30	0.00/1.00	0/7
Advanced (, 16.7%)	1.12 ± 0.38	0.60 ± 0.32	0.26 ± 0.20	2.7 ± 1.8
	0.30/1.30	0.20/1.30	0.00/0.70	0/6

UCVA: uncorrected visual acuity, BCVA: best-corrected visual acuity, BCLCVA: best contact lens corrected visual acuity, sd: standard deviation, and D: diopter.