Table 3.

Pre-operative assessments of 19 patients with post-LASIK late onset corneal ectasia.

Case no.	Eye	Age & gender	Year of Surgery	Pachymetry (μm)	Keratometry	Spherical equivalent (diopters)	I-S index	Time of onset of ectasia following LASIK (years)	Residual corneal stromal bed (μm)	Oblique cylinder	Postop events
1	OD	28 M	2001	520	44.1 D	−8.00	1.00	5	250	−0.80 D	None
	OS	28 M	2001	520	42.1 D	−9.00	1.00	5	260	−0.80 D
2	OD	36 M	1999	540	46.31 D	−7.25	1.05	5	215	−0.60 D	None
	OS	36 M	1999	590	47.25 D	−7.75	1.03	5	217	−1.50 D
3	OD	45 M	1999	510	40.75 D	−4.00	1.03	6	207	−1.25 D	None
	OS	45 M	1999	520	42.00 D	−4.25	0.99	6	224	−1.50 D
4	OD	28 F	2000	560	43.64 D	−6.75	0.99	2	263	−1.30 D	Pregnancy
	OS	28 F	2000	580	43.28 D	−7.25	0.99	2	256	−1.11 D
5	OD	35 F	1997	556	43.14 D	−12.75	0.99	5	235	−0.49 D	None
	OS	35 F	1997	556	42.78 D	−13.75	0.99	5	221	−0.34 D
6	OD	42 M	1998	580	42.32 D	−8.25	0.97	2	270	−0.80 D	None
	OS	42 M	1998	580	42.24 D	−10.75	1.00	2	238	−0.21 D
7	OD	32 F	2002	560	42.38 D	−8.50	0.97	5	310	−0.78 D	Pregnancy
	OS	32 F	2002	560	42.5 D	−9.00	0.98	5	312	−0.90 D
8	OD	42 M	1997	550	41.64 D	−6.75	1.04	5	281	−1.50 D	None
	OS	42 M	1997	550	41.75 D	−6.75	0.99	11	281	−1.40 D
9	OD	27 M	1999	560	42.31 D	−5.50	1.00	10	249	−0.26 D	None
	OS	27 M	1999	560	41.99 D	−5.00	1.00	10	261	−0.72 D
10	OD	29 M	1999	590	42.4 D	−1.50	1.04	6	367	−1.28 D	AKC
	OS	29 M	1999	560	41.44 D	−1.50	1.01	6	349	−0.15 D	AKC
11	OS	37 F	1999	560	44.87 D	−2.50	1.02	3	311	−1.52 D	AKC
12	OD	33 M	1999	560	43.95 D	−3.75	0.99	5	269	−1.38 D	None
13	OD	29 M	2000	590	43.42 D	−4.50	0.98	3	300	−1.45 D	None
14	OD	27 M	2003	504	45.70 D	−1.50	0.98	5	315	−0.50 D	AKC
15	OD	29 M	2003	569	42.64 D	−12.00	1.01	4	256	−0.20 D	None
16	OS	44 M	2003	510	41.12 D	−4.50	0.99	5	270	−1.25 D	None
17	OD	28 F	2002	560	41.61 D	−3.00	1.02	6	318	−0.71 D	None
18	OS	37 F	2000	560	44.16 D	−5.00	1.00	3	247	−1.48 D	Pregnancy
19	OD	38 M	2000	510	44.9 D	−5.00	0.99	2	275	−1.50 D	None

AKC = adenoviral keratoconjunctivitis (Type 8).