[Implantation of toric intraocular lenses for correction of high post-keratoplasty astigmatism]. / Implantation torischer Intraokularlinsen zur Korrektur hoher postkeratoplastischer Astigmatismen.
Ophthalmologe
; 99(6): 464-9, 2002 Jun.
Article
en De
| MEDLINE
| ID: mdl-12125415
ABSTRACT
BACKGROUND:
High postkeratoplasty astigmatism remains a challenge for the surgeon. First experiences after implantation of a toric PMMA IOL in three eyes from patients with cataracts are reported. MATERIALS ANDMETHODS:
After routine phacoemulsification we implanted an individually manufactured toric PMMA posterior chamber IOL via a sclerocorneal 6-mm tunnel incision in three postkeratoplasty eyes with high, topographically relatively regular astigmatism. One eye with the intraoperative aspect of circular zonular instability also received a capsular tension ring. A complete standard ocular examination was performed pre- and postoperatively including corneal topography, evaluation of anterior chamber depth, ultrasonic biomicroscopy and perimetry.RESULTS:
Implantation and intraoperative alignment of the toric IOL were uneventful. The refractive astigmatisms of 5.0, 6.0 and 7.5 cyl D preoperatively, were reduced to 2.0, 1.75 and 3.0 cyl D, 10 and 12 months postoperation, respectively. The eye with the capsular tension ring showed no morphological or refractive changes during follow-up. In the other two eyes we observed IOL rotation of 20 and 30, respectively after 6 months. There were no posterior capsule opacification or capsular folds in the optical centre.CONCLUSION:
Toric IOL technology allows enhancement of IOL surgery with improved refractive outcome. Simultaneous implantation of a capsular tension ring may improve long-term stability.
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Base de datos:
MEDLINE
Asunto principal:
Complicaciones Posoperatorias
/
Astigmatismo
/
Trasplante de Córnea
/
Lentes Intraoculares
Límite:
Aged
/
Female
/
Humans
/
Male
/
Middle aged
Idioma:
De
Revista:
Ophthalmologe
Asunto de la revista:
OFTALMOLOGIA
Año:
2002
Tipo del documento:
Article