Fitting Tips and Visual Rehabilitation of Irregular Cornea with a New Design of Corneoscleral Contact Lens: Objective and Subjective Evaluation

Table 4

Visual and refractive measures (mean ± SD) before and after fitting with Rose K2 XL lenses during follow-up periods.

Parameter	Prefitting	Postfitting
		2 weeks	value^a	3 months	value^b	6 months	value^c
UCVA	0.95 ± 0.09	0.95 ± 0.08	0.35	0.93 ± 0.11	0.29	0.92 ± 0.10	0.19
BSCVA	0.65 ± 0.17	0.64 ± 0.18	0.22	0.63 ± 0.17	0.19	0.62 ± 0.19	0.13
BCCVA		0.05 ± 0.03	<0.001	0.04 ± 0.05	<0.001	0.04 ± 0.05	<0.001
Sphere (D)	−4.3 ± 1.8^(1)	−0.31 ± 0.27^(2)	<0.001	−0.33 ± 0.31^(2)	<0.001	−0.32 ± 0.44^(2)	<0.001
Cylinder (D)	−4.8 ± 1.2^(1)	−0.38 ± 1.1^(2)	<0.001	−0.36 ± 1.3^(2)	<0.001	−0.36 ± 1.2^(2)	<0.001
MRSE (D)	−6.9 ± 1.7^(1)	−0.51 ± 0.22^(2)	<0.001	−0.53 ± 0.27^(2)	<0.001	−0.54 ± 0.25^(2)	<0.001

UCVA: uncorrected visual acuity; BSCVA: best spectacle corrected visual acuity; BCCVA: best contact-corrected visual acuity (logMAR measures); D: diopter; MRSE: mean refractive spherical equivalent. Postfitting values (a, b, and c) derived from posthoc analysis. ^aComparing 2 weeks after CL with prefitting values. ^bComparing 3 months after CL with prefitting values. ^cComparing 6 months after CL with prefitting values. ¹Without contact lenses or glasses. ²With contact lens. Comparison between the BSCVA and the BCCVA. Significant at .