i got one customer make a pr of reading glass few week ago and he come back with new doctor rx and say that he feel his eyes very strain after awhile and when he try to cover one side of his eye he can see shadow beside the words but when i let him try the doctor rx he see the shadow at the bottom of the words.
doctor rx R+150-200X180
L+150 -200X180
the power I checked is R+150-100X180
L+150-100X180
any idea what is the main problem for this case?
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