April 2011
Volume 52, Issue 14
Free
ARVO Annual Meeting Abstract  |   April 2011
Implantable Collamer Lens after Intrastromal Rings for Keratoconus
Author Affiliations & Notes
  • Alejandro Navas
    Department of Cornea and Refractive Surgery, Institute of Ophthalmology Conde de Valenciana, Mexico City, Mexico
  • Guillermo Tapia-Herrera
    Department of Cornea and Refractive Surgery, Institute of Ophthalmology Conde de Valenciana, Mexico City, Mexico
  • Arturo Gómez-Bastar
    Department of Cornea and Refractive Surgery, Institute of Ophthalmology Conde de Valenciana, Mexico City, Mexico
  • Enrique O. Graue-Hernández
    Department of Cornea and Refractive Surgery, Institute of Ophthalmology Conde de Valenciana, Mexico City, Mexico
  • Tito Ramirez-Luquín
    Department of Cornea and Refractive Surgery, Institute of Ophthalmology Conde de Valenciana, Mexico City, Mexico
  • Footnotes
    Commercial Relationships  Alejandro Navas, None; Guillermo Tapia-Herrera, None; Arturo Gómez-Bastar, None; Enrique O. Graue-Hernández, None; Tito Ramirez-Luquín, None
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science April 2011, Vol.52, 5174. doi:https://doi.org/
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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)

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Abstract
 
Purpose:
 

To describe the outcome of phakic collamer lens implantationafter intrastromal rings in 7 eyes of 6 patients with keratoconus.

 
Methods:
 

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.

 
Results:
 

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.

 
Conclusions:
 

Combination of intrastromal rings and phakic intraocular lenscan be an effective alternative in the management of patientswith keratoconus.  

 

 
Keywords: keratoconus • refractive surgery: phakic IOL • refractive surgery: other technologies 
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