RIGHT / OD
Please comfirm it is correct that your SPH values have a difference of 2.00dpt or more.
Please comfirm your SPH values have different signs for each eye (negative & positive).
LEFT / OS
Please comfirm it is correct that your SPH values have a difference of 2.00dpt or more.
Please comfirm your SPH values have different signs for each eye (negative & positive).