期刊
ARQUIVOS BRASILEIROS DE OFTALMOLOGIA
卷 80, 期 1, 页码 17-20出版社
CONSEL BRASIL OFTALMOLOGIA
DOI: 10.5935/0004-2749.20170006
关键词
Corneal transplantation; Keratoplasty; penetrating; Contact lenses; Keratoconus; Astigmatism; Corneal diseases/rehabilitation
Purpose: To report the visual rehabilitation outcomes and complications of patients fitted with mini-scleral rigid gas-permeable (RGP) contact lenses (mini-SCLs) after penetrating keratoplasty. Methods: We retrospectively reviewed 27 eyes (21 patients) that were fitted with mini-SCLs between October 2013 and December 2014. We analyzed demographic data, previous corneal disorders, visual outcomes, interval from keratoplasty to contact lens fitting, topographic and specular microscope data, fitted contact lens parameters, and complications. The patients were divided into two groups according to the elapsed time since surgery: Group A, grafts with <10 years (n=14 eyes); and Group B, grafts with >= 10 years (n=13 eyes). Results: Lens use was discontinued in four eyes, and microbial keratitis developed in one eye during follow-up. No corneal graft rejection was observed. The mean interval between grafting and initial contact lens fitting was 10.6 +/- 7.3 years (range: 1-29 years). The most frequent reason for keratoplasty was keratoconus (22 eyes, 81.4%). The mean contact lens-corrected visual acuity (CLCVA) was 0.09 +/- 0.12 logMar (range: 0.50-0.00 logMar). The average topographic astigmatism, mean steepest keratometry (K-max), and average cellularity on specular microscopy were 6.19 +/- 3.49 diopters (D), 58.4 +/- 7.8 D, and 1,231 +/- 723 cells/mm(2), respectively. Conclusions: Mini-SCL use allowed successful visual rehabilitation after corneal keratoplasty, particularly in patients who required corrective lenses for low visual acuity and were unable to wear RGP contact lenses. Our results indicate that mini- scleral lenses may be an option for the treatment of corneal irregularities, such as those associated with keratoplasty.
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