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A member asked:
Been wearing glasses with power -6.25d l, -7.5d r for 5 yrs.corneal topography today(dilated pupil)-power came out as -5.5d l, -6.25d r.problem?
6 doctors weighed in across 4 answers
No: Actual lens prescription can be slightly different than the automated refraction. It will not hurt your eyesight.
Answered 12/18/2013
4.7k views
No: Corneal topography should not be used to determine glasses power, so forget it.
Answered 12/19/2013
4.7k views
Prescription - lasik: It wasn't the topography that measured your refraction, but for a younger person, it is not uncommon that whoever prescribed their glasses overprescribed--gave you more than you really needed. So, as long as the number the measure is actually lower, and other things look stable and healthy on your exam, it should be fine. Your doctor should be able to explain this to you.
Answered 5/8/2015
4.7k views
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