Table 2.

Patient characteristics (Down syndrome and corneal crosslinking for keratoconus)

Pt	Eye	Age (years)	Sex	Optical correction	Keratoconus stagea	CXL completed	Visual acuity (decimal)			Thinnest pachymetry (µm)		Maximal keratometry (D)
							Preop	6 Mo	12 Mo	Preop	12 Mo	Preop	1 Mo	6 Mo	12 Mo
1	OD	20	F	Scleral lenses	2	No	0.5+ cc	n/a	n/a	384	264	59.6	n/a	n/a	85.5
	OS				2	Yes	0.30 cc	0.40 cc	0.30 cc	390	386	61.1	59.6	60.3	60.5
2	OS	31	F	Spectacles	2	No	0.30= sc	0.30 cc	n/a	419	404	51.3	n/a	51.0	n/a
3	OD	20	M	Spectacles	2	Yes	0.30 ec	0.10 cc	0.03 cc	434	414	63.3	63.1	61.2	61.0
4	OD	15	F	Spectacles	2	Yes	0.50 ec	0.50 cc	0.60 cc	519	505	53.5	n/a	53.1	52.0
	OS				2	Yes	0.50 ec	0.55 cc	0.55 cc	498	484	53.5	52.5	n/a	52.0
5	OS	34	M	None	1	Yes	0.60 sc	0.50 sc	0.65 sc	434	443	51.8	54.3	52.8	56.1
6	OS	21	F	Spectacles	n/a	Yes	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a
7	OD	24	F	Scleral lenses	1	Yes	0.20 cc	0.20 cc	0.20 cc	498	464	50.5	49.9	50.2	50.8

Pt patient, CXL corneal crosslinking, Mo months, F female, M male, cc with refraction, sc without correction, ec with spectacles, n/a not available

^aBased on Amsler Krumeich classification