Study on Incentives for Glaucoma Medication Adherence (SIGMA): study protocol for a randomized controlled trial to increase glaucoma medication adherence using value pricing.
Marcel BilgerTina T WongKaye L HowardJia Yi LeeAi Nee TohGeraldine JohnEcosse L LamoureuxEric A FinkelsteinPublished in: Trials (2016)
NCT02271269 . Registered on 19 October 2014.