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This abstract is assigned to session BSCRS: Belgian Societies of Cataract and Refractive Surgery

Title

IOL Calculation after refractive surgery

Purpose	To help the surgeon to choose the right method for iol calculation
Methods	Clinical review of Refractive patients having had cataract surgery with iol calculations following different methods. The first one is “the clinical history” method. Then the “corneal bypass” method, followed by formulas using preoperative keratometry or preoperative refraction. A rigid contact lens can also be used.
Results	The most effective and accurate technique was the “clinical history” method, to determine the right keratometry. However, the best formula had to be chosen as well, and our results were the best using Hoffer Q formula
Conclusion	Iol calculation after refractive surgery is really challenging. Patients must be warned that a lens exchange is always possible. In our hands, clinical history method and Hoffer Q formula achieved the best results.

Author 1

Last name	MATHYS
Initials	B M
Department	Brussels Vision Clinic, Avenue Van Overbeke 166 - 1083 Brussels
City	Brussels