Cataract surgery with implantation of toric silicone lenses for severe astigmatism after keratoplasty

Klinische Monatsblätter für Augenheilkunde
H-J Buchwald, G K Lang

Abstract

The treatment of high astigmatism after keratoplasty is often not possible with glasses or refractive corneal surgery, particularly in patients with anisometropia and contact lens incompatibility. In 3 patients with cataract and high astigmatism after penetrating keratoplasty, phacoemulsification was performed via a 4 mm sclerocorneal tunnel incision. A toric silicone lens with Z-haptic was implanted in the bag (Type MS 6116 TU, Dr. Schmidt). All patients had high anisometropia and contact lens incompatibility. The follow-up was ten weeks, uncorrected and corrected visual acuity, corneal and total astigmatism were evaluated. A 68-year-old female presented with corneal astigmatism of 10 dpt. Keratoplasty was performed two years earlier. After implantation of a toric lens (+ 22.5 + 11.0 dpt.) uncorrected visual acuity increased from 1/50 to 20/40, corrected visual acuity increased from 20/30 to 20/25. A 78-year-old male presented with irregular corneal astigmatism of 6.5 dpt. Keratoplasty was performed 25 years previously. Due to high myopia (corneal radii 5.3/5.9 mm), implantation of a toric lens (- 3.0 + 7.0 dpt.) in the bag was combined with implantation of a spheric lens (- 6.0 dpt., Type MS 614, Dr. Schmidt) in the sulcus. U...Continue Reading

Citations

Jun 23, 2007·Der Ophthalmologe : Zeitschrift der Deutschen Ophthalmologischen Gesellschaft·Arne ViestenzA Langenbucher
Aug 26, 2010·Clinical & Experimental Optometry : Journal of the Australian Optometrical Association·Phillip J BuckhurstShehzad A Naroo

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