EndMyopia and AF.
I’ve hidden the identity due to this being posted in a private group.
His initial Rx was
And from a usual BVD of 13 mm that means -15.00 on average of axes and eyes.
Now he wears
Reports he does not see clearly in the last, also we will assume he did nothing against astig’m.
So, the last Rx means a SE of -12.50.
Useful calculator is at https://bvdcalculator.garethcooper.com/.