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Discover 15,316 clinical trials near Massachusetts. Find research studies in your area.
Showing 11561-11580 of 15,316 trials
NCT00494676
The purpose of this study is to evaluate the functional utility for general mobility (walking) of new high power permanent peripheral prism glasses, which provide visual field expansion device for patients with homonymous hemianopia (the complete loss of half the field of vision on the same side in both eyes). The efficacy of real peripheral prism glasses will be assessed relative to sham peripheral prism glasses.
NCT00974623
A multi-center, prospective, observational patient registry to collect information on the clinical outcomes and "real world" use of approved and commercially available bone graft substitutes, autograft and allograft.