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Impressum
Limbal relaxing Incisions (LRI) - correction of a high astigmatism in cataract surgery
Jaroszewski J., Anders N.
Universitätsaugenklinik Charité, Campus Virchow-Klinikum, Augustenburger Platz 1, 13353 Berlin
1996 J. P. Gills presented the LRI as a possibility for the correction
of astigmatisms between 0,5 an 3,0 dioptres. We used a simplified Gills-
Nomogram and performed the LRI in cataract surgery. For the LRI the conea
was incised with a diamond knife at the limbus - parallel with it - 600
µm deep.
Patients and method: So far 27 patients with a preoperative astigmatism
between 1,5 and 5,5 dioptres (mean 2,7 ± 0,96 dioptres) were included
in this study. The average age was 77,5 ± 9,4 years. The Limbal
Relaxing Incisions were done in the steepest meridian. The tunnel incision
for cataract extraction (Phakoemulsification) was performed via one of
the incisions.
Results: The absolut astigmatism could be reduced from an average
of 2,4 ± 0,7 dioptres to 0,7 ± 0,5 dioptres. The reduction
of the astigmatism - calculated according to Jaffe and Naylor - was 1,9
± 0,9 dioptres after 6 weeks.
Conclusion: Limbal Relaxing Incisions are a possibility for the
successful reduction of a high preoperative astigmatism in cataract surgery.