TY - JOUR T1 - Tumbling-hand optotype: a novel gesture-based tool for visual acuity assessment in neurodivergent populations JO - Revista Brasileira de Oftalmologia A1 - Costa, Juan Carlos A1 - Pinto, Daniela Leite A1 - Oliveira, Mariana Thayna SN - 0034-7280 UL - 10.37039/1982.8551.20260011 VL - 85 Y1 - 2026 PB - Brasil ER -