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. 2015 Nov 9;1:22. doi: 10.1186/s40942-015-0019-2

Table 2.

Mean visual acuity in the triple combination therapy with zeaxanthin, triple combination therapy without zeaxanthin and control cohorts

Year Triple combination therapy with zeaxanthin cohort Triple combination therapy cohort External control cohort (Shah and DelPriore)
1 20/200 20/250 20/200
2 20/160 + 2 20/200 + 1 20/250 − 2
3 20/160 + 2 20/200 + 1 20/320 − 2
4 20/160 + 2 20/200 + 1 20/400 − 1
5 20/160 + 2 20/200 + 1 20/500 + 1
6 20/160 + 2 20/200 + 1 20/500 − 1
7 20/160 + 2 20/200 + 1 20/500 − 2
8 20/160 + 2 20/200 + 1 20/500 − 2
9 20/160 + 2 20/200 + 1 20/640 + 1