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ORIGINAL ARTICLE
Year : 2009  |  Volume : 57  |  Issue : 2  |  Page : 115-119

Safety and efficacy of Intacs in Indian eyes with keratoconus: An initial report


Department of Cataract and Refractive Surgery, Narayana Nethralaya, Bangalore, India

Correspondence Address:
Rohit Shetty
Narayana Nethralaya No. 121/C, Chord Road, 1st "R" Block, Rajajinagar, Bangalore
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0301-4738.44517

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Context: In contact lens-intolerant keratoconus patients, intrastromal placement of Intacs is becoming a promising new modality of treatment. Aims: To study the safety and efficacy of implantation of microthin corneal inserts (Intacs) in Asian-Indian keratoconus patients. Settings and Design: Retrospective interventional case series, in the cornea and refractive surgery service, at a tertiary care eye hospital in South India, between May 2006 and July 2007. Materials and Methods: Intacs (Addition Technology, USA) were successfully implanted by mechanically creating tunnels, in 12 eyes of 12 keratoconus patients, who were contact lens-intolerant. The patients (mean age 25.58 years, nine male and three female) had a minimum follow-up of six months. Five patients had severe keratoconus (mean K > 53 D) and nine had central cones. Results: All patients improved or retained visual acuity. The uncorrected visual acuity (UCVA) improved from a mean value of 0.06, (SD ± 0.08) to 0.19 postoperatively (SD± 0.15) ( P = 0.01). The change in mean best corrected visual acuity (BCVA) was from 0.51, (SD ± 0.24), to 0.69, (SD ±0.00) ( P = 0.01) postoperatively. The average central keratometry reading was 52.55 D. The change in mean K from 52.84 to 49.16 and 49.15 at one and six months respectively, was statistically significant. We did not have any major intra- or early postoperative complications. Eight of 12 eyes became contact lens-tolerant post-surgery. Conclusion: The procedure of Intacs implantation appears to be safe and effective in a small group of Indian population at an intermediate follow-up.


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