| http://www.w3.org/ns/prov#value | - Between 6 and 24 months there was a trend toward a higher proportion improved in the implant group (did not attain statistical significance on some of the follow-up visits), and during the third year, there was no significant difference between the groups (e.g., 31.1% of implanted eyes versus 20.0% of SOC eyes improved >15 letters at 3 years).
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