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Alejandro Navas, Guillermo Tapia-Herrera, Arturo Gómez-Bastar, Enrique O. Graue-Hernández, Tito Ramirez-Luquín; Implantable Collamer Lens after Intrastromal Rings for Keratoconus. Invest. Ophthalmol. Vis. Sci. 2011;52(14):5174. doi: https://doi.org/.
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© ARVO (1962-2015); The Authors (2016-present)
To describe the outcome of phakic collamer lens implantationafter intrastromal rings in 7 eyes of 6 patients with keratoconus.
Patients with keratoconus and at least one year after intrastromalrings underwent phakic collamer intraocular lens implantation.Seven eyes of 6 patients, mean age 40.42 years (range 23-49).Six cases received Intacs and one case Corneal Rings. Four casesreceived toric implantable collamer lenses and 3 cases sphericimplantable collamer lenses.
UCVA range previous phakic lens was 20/200 to 20/1200 improvingpostoperative to a range of 20/25 to 20/50. Mean spherical equivalentprevious collamer lens was -11.03 and postoperative was -0.46.Paired t test for statistical analysis were performed. Statisticallysignificant differences were observed between preoperative andpostoperative UCVA (P=0.0001) and preoperative versus postoperativerefraction (P=0.0003). All patients had a noticeable subjectiveimprovement.
Combination of intrastromal rings and phakic intraocular lenscan be an effective alternative in the management of patientswith keratoconus.
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