Sen, D KMalik, S R1972-12-012009-05-291972-12-012009-05-291972-12-01Sen DK, Malik SR. Accommodative-convergence over accommodation (AC-A) ratio (in normal Indian subjects). Indian Journal of Ophthalmology. 1972 Dec; 20(4): 153-7http://imsear.searo.who.int/handle/123456789/71612engAccommodation, OcularAdolescentAdultAge FactorsChildEye MovementsFemaleHumansIndiaMaleSex FactorsAccommodative-convergence over accommodation (AC-A) ratio (in normal Indian subjects).Journal Article