Eye care workforce density by provider type in urban and rural counties in the United States, 2010 to 2021. - Shah J; Ahmed H; Weiss MB; Serhan H; Dias CG; Kiss S; Kovacs KD (Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie, 2026)