rss
Br J Ophthalmol 86:658-662 doi:10.1136/bjo.86.6.658
  • Original Article
    • Clinical science

Retrospective, longitudinal, and cross sectional study of visual acuity impairment in choroideraemia

Table 4

Data from 45 patients included in the longitudinal analysis

Age (years) *Visual acuity
Patients Initial visit Most recent visit Number of years of follow up Better seeing eye at initial visit Same eye at most recent visit ‡5 year rate of VA change
*LogMAR equivalent of Snellen VA; †a logMAR Snellen equivalent of 0.00 = 20/20; ‡a change of 0.1 logMAR equivalent = 1 line (Lighthouse chart, 2nd ed).7
1 6.7 11.5 4.8 0.10 0.00† −0.10
2 7.7 16.6 8.9 0.00 0.18 0.10
3 9.7 28.1 18.3 0.00 0.00 0.00
4 10.3 17.2 6.9 0.10 0.70 0.44
5 10.5 30.2 19.8 0.00 0.18 0.05
6 11.0 23.2 12.2 0.00 0.00 0.00
7 13.4 19.8 6.4 0.00 0.00 0.00
8 14.8 27.6 12.9 0.10 0.10 0.00
9 14.9 33.0 18.1 0.00 0.00 0.00
10 16.4 33.4 17.0 0.00 0.00 0.00
11 17.4 23.1 5.7 −0.10 −0.10 0.00
12 20.4 34.2 13.8 0.10 0.30 0.07
13 22.0 40.0 18.0 0.00 0.30 0.08
14 23.0 28.0 5.0 0.00 0.00 0.00
15 23.5 39.4 16.0 0.00 0.18 0.06
16 24.8 35.1 10.4 0.18 0.18 0.00
17 25.6 37.8 12.2 0.00 0.30 0.12
18 27.2 48.3 21.1 0.18 0.60 0.10
19 29.5 44.8 15.2 0.18 0.48 0.10
20 29.7 44.3 14.6 0.00 0.10 0.03
21 29.7 41.3 11.7 0.18 0.48 0.13
22 30.4 35.0 4.6 0.00 0.30 0.33
23 31.2 41.3 10.0 0.18 1.00 0.41
24 31.3 42.9 11.5 0.10 0.40 0.13
25 31.5 46.7 15.2 0.00 0.10 0.03
26 34.9 48.2 13.3 0.00 0.00 0.00
27 34.9 51.1 16.2 0.10 0.40 0.09
28 37.7 44.2 6.5 0.00 0.10 0.08
29 38.8 57.4 18.6 0.10 0.40 0.08
30 39.3 46.4 7.4 0.00 0.00 0.00
31 39.5 63.8 24.2 0.18 0.40 0.05
32 42.0 48.9 6.9 0.00 0.18 0.13
33 42.8 54.1 11.3 0.00 0.10 0.04
34 42.8 57.4 14.6 0.10 0.30 0.07
35 44.0 64.7 20.7 0.00 0.40 0.10
36 45.0 53.6 8.6 0.48 0.40 −0.05
37 47.0 53.9 6.9 0.00 −0.10 −0.07
38 47.4 53.1 5.8 0.10 0.18 0.07
39 48.3 57.4 9.1 0.00 0.00 0.00
40 51.1 67.3 16.1 0.10 0.18 0.03
41 51.4 56.7 5.3 0.30 0.40 0.10
42 51.6 66.5 14.9 0.00 2.70 0.91
43 52.9 72.7 19.8 0.70 1.00 0.08
44 58.0 66.5 8.4 0.18 0.48 0.18
45 66.9 75.0 8.1 0.10 0.22 0.07

This Article

Register for free content


Free sample
This recent issue is free to all users to allow everyone the opportunity to see the full scope and typical content of BJO.
View free sample issue >>

Don't forget to sign up for content alerts so you keep up to date with all the articles as they are published.