my son s age in 13 years. last week i took him for regular eye check-up with two ophthalmologist. They prescribed two different glass priscriptions. BOTH ARE DISTANCE VISION, one doctor given below glass powerRight eye: SPH - 0.75, CYL - 1.50, AXIS 180, Left eye: SPH - 1.00, CYL - 2.00, AXIS 180.Another doctor given glass power as Right eye: SPH - 0.5O, CYL - 1.50, AXIS 170, Left eye: SPH - 0.75, CYL - 1.75, AXIS 170My question is what can i do further for my son?