Nonsurgical Procedures for Keratoconus Management

Table 6

Description of the main studies in keratoconus (KC) management with scleral contact lenses (SsCLs).

Author	Type of study	Sample size (eyes)	Follow-up	Age (years) (mean)	Sex (female/male)	Diameter of lens (mm)	UCVA (logMAR)	BCLCVA (logMAR) (mean)
Carracedo et al. [131]	Prospective comparative	26	8 hours	36.95	12/14	16.5	NR	0.17
Visser et al. [123]	Prospective case series	213	3 weeks–1 year	47.7	64/80	18.5–19.5 (19%); 20.0 (76%); 20–5-21.5(5%)	NR	≤0.1 in 62.9%
Baran et al. [124]	Prospective case series	118	6 months	44	26/33	NR	0.55	≤0.3 in 93%
Stason et al. [127]	Prospective case series	141	6 months	44	NR	NR	≤0.2 in 30%; 0.3–0.5 in 32%; ≥0.55 in 38%	Improved by 2 or more lines in 55%
Visser et al. [128]	Prospective case series	284	5 months	45	NR	18–25	0.7	0.15

UCVA: uncorrected visual acuity; BCLCVA: best contact lens corrected visual acuity; NR: not reported.