Similarly, if you have had UNSUCCESSFUL cataract surgery following refractive surgery, we would like to hear from you.
Our primary concern is with the accurate or inaccurate calculation of the IOL (intraocular lens) power. IOL power calculation requires two critical measurements: (1) the curvature of the cornea and (2) the axial length of the eye. The latter is the distance between the center of the corneal surface and the macula. These two measurements are BOTH altered by refractive surgery, rendering IOL power computations more complicated and prone to over-correction (usually hyperopia). To our knowledge, a perfect system for calculating the IOL power is not available and we would like to open a discussion on patient knowledge and experiences.
It is acceptable that a surgeon use a patient's history of refractive LASIK or PRK as a disclaimer for failing to provide a result that is close to emmetropia. In fact, it is ethically responsible that surgeons tell patients in advance of cataract surgery about the inaccuracy.
Some cataract surgeons acknowledge this inaccuracy and suggest that any residual refractive error caused by these miscalculations be "touched up" with additional LASIK or PRK - an out-of-pocket expense for the patient and inherently more complicated than cataract surgery alone. This forum hopes to save a number of patients frustration following the implantation of an IOL by allowing them to share this information with their surgeons.