Association of football subconcussive head impacts with ocular near point of convergence - Kawata, K; Rubin, L H; Lee, J H; Sim, T; Takahagi, M; Szwanki, V; Bellamy, A; Darvish, K; Assari, S; Henderer, J D; Tierney, R; Langford, D (JAMA Ophthalmol, 2016)