last question on my coursework. please help
an astigmatic lens of power +5.00DS/+1.5DC X 180 produces an interval of sturm of 15cm. find the position of the axial point.
many thanks
last question on my coursework. please help
an astigmatic lens of power +5.00DS/+1.5DC X 180 produces an interval of sturm of 15cm. find the position of the axial point.
many thanks
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