hi, my four yr old son was just diagnosed with cylindrical vision O.D. +1.5, AXIS 80, V.A. 6/12 O.S. +1.25, AXIS 85 , V.A. 6/9 one doctor recommended glasses all the time except while sleepping n another said glasses not required just a vitamin A rich diet sayin he his too small glasses. whose opinion should i cosider?