Three local nonprofits received funding from the Tufts Health Plan Foundation as part of the Watertown-based charity’s first round of grants this year, with a collective $1.6 million going to 34 organizations in Massachusetts and Rhode Island. The Perkins School for the Blind received $20,000 — the second half of a two-year grant totaling $40,000 — to support library services for older adults with visual impairments. The Alzheimer’s Association will get $50,000 to fund a program that gives support to caregivers of persons with dementia. And Springwell, which provides services to local senior citizens, received $60,549 as part of a two-year grant to fund its healthy aging initiative, which focuses on offering health workshops geared toward older adults. For more information on the grants, visit www.tuftshealthplanfoundation.org.