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The Foldable Toric IOL MS 6116 with Rotationally Stable Z-Haptics to Correct High Astigmatism in Eyes after Perforating Keratoplasties
Kulus S. C., Taya K., Schmidt A., Koch H.-R.,
Klinik Dardenne, Praxis Prof. Koch, Augenklinik (Bonn)
Patients with high astigmatism after perforating keratoplasty, can frequently not be corrected by glasses or contact lenses. Possible techniques for correction are excimer laser treatment (Lasik, PRK) and incisional techniques. When a cataract co-exists (e.g. steroid induced), toric IOLs can be implanted. Toric IOL´s between +2,0 dpt and +30,0 dpt can be produced for customized lense calculation for each patients needs. We present our results with the toric MS 6116. Between 02/01 and 03/02 we have implanted toric IOLs in 6 eyes to reduce high astigmatism after KPL. 4 patients could be examied 43 - 349 days (mean 195 days) after surgery. The toric component varied from +2.0 dpt to +20,0 dpt. Praeoperatively the astigmatism has been 7,5 dpt ( 1.5 dpt - 12.5 dpt) in mean. Postoperatively it had been reduced to 2.4 dpt ( 0.5 dpt - 5.5 dpt ). Data will be evaluated statisticaly by multivariat analysis and visualized with double angle plots. Visual acuity improved from 0.3 to 0.5. One case will be presented in which Keratometrie changed extremely 2 weeks after cataract surgery. The IOL axis remained stable. Subjective astigmatism increased from -0.5 dpt to 8.0 dpt. IOL-Axis did not differ more than 10° from scheduled value. Axis changed postoperative 5° (3° - 7°) in average. All eyes could be corrected with glases. Customized toric MS 6116 are a good and reliabel option to correct high astigmatism in patient eyes after KPL. Keratometrie may change even months after removel of the sutures.