PMID: 8972368Nov 1, 1996Paper

Comparison of the UniversalKeratome and the Automated Corneal Shaper

Journal of Cataract and Refractive Surgery
P S BinderT R Littlefield

Abstract

To compare the morphologic appearance and measurements of in situ keratomileusis performed with the UniversalKeratome (UK) with those done with the Automated Corneal Shaper (ACS). Surgical suite within private practice. Procedures were performed the same day on mate eye-bank eyes. In situ keratomileusis was done using existing nomograms for each instrument to resect a cap thickness of 160 microns and a myopic resection of 100 microns. Intraocular pressures were increased by inflating the globes with balanced salt solution and were measured with the suction fixation rings in place. The excised caps and stromal resections were measured twice independently after surgery, again after tissue fixation, and then evaluated with light and scanning electron microscopy. No complications were encountered. Compared with the ACS, the UK was easy to set up, use, clean, and take down. Its excised tissue dimensions were greater and more predictable, it resected a concave shaped lenticule (edges imperceptibly blending with the host stroma), and it created a smoother power resection surface and primary resection base. Smoother, predictable tissue resection, and simple assembly/disassembly and use give the UK an apparent advantage over the ACS. Th...Continue Reading

References

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Citations

Jan 15, 1999·Journal of Cataract and Refractive Surgery·R J Keuch, H Bleckmann
Aug 14, 2012·Clinical Ophthalmology·Armin WolfMartin Grueterich
Apr 30, 2002·Journal of Cataract and Refractive Surgery·Omür O Uçakhan
Apr 11, 2003·Journal of Cataract and Refractive Surgery·Arne ViestenzBerthold Seitz
Nov 24, 1999·Journal of Cataract and Refractive Surgery·Y H KimC K Joo
Aug 22, 2017·Journal of Cataract and Refractive Surgery·Alain SaadDamien Gatinel

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