Table 1.

Vision outcomes for all eyes at baseline and at 10-year follow-up.

Outcome	Baseline	At 10-year follow-up	p value
Visual acuity score, letters Snellen equivalent, no. (%)
	N = 149	N = 149
83–97, 20/12–20/20	3 (2)	3 (2)	1
68–82, 20/25–20/40	55 (36.9)	47 (31.5)	0.39
53–67, 20/50–20/80	56 (37.5)	50 (33.6)	0.54
38–52, 20/100–20/160	20 (13.4)	28 (18.8)	0.27
37–18, 20/200–20/400	15 (10)	18 (12)	0.71
<17, <20/400	0 (0)	2 (2)	0.16
Mean letters (SD)	59.5 (13.1)	57.4 (17.8)	0.57
Mean change in visual acuity (SD)	−2.1 (19.9)
Change in visual acuity score, from baseline, letters, no. (%)
15 letter change
>15 increase	29 (19.5)
5–14 increase	34 (22.8)
<4 change	26 (17.5)
5–14 decrease	25 (16.7)
15–29 decrease	19 (12.8)
>30 decrease	16 (10.7)