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Year : 2013  |  Volume : 8  |  Issue : 1  |  Page : 39-46

Simultaneous Penetrating Keratoplasty and Cataract Surgery

Ophthalmic Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Correspondence Address:
Sepehr Feizi
Assistant Professor of Ophthalmology, Labbafinejad Medical Center, Paidarfard St., Boostan 9 St., Pasdaran, Tehran 16666
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Source of Support: None, Conflict of Interest: None

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Purpose: To determine the clinical outcomes of simultaneous penetrating keratoplasty (PK), cataract removal and intraocular lens implantation (triple procedure), and to compare the safety and efficacy of two different cataract extraction techniques during the course of PK. Methods: This retrospective comparative study was conducted on patients who had undergone a triple procedure. The technique of cataract extraction was either opensky extracapsular cataract extraction (ECCE) or phacoemulsification (PE). In the ECCE group, the posterior chamber intraocular lens (PCIOL) was implanted in the ciliary sulcus, while in the PE group PCIOLs were fixated within the capsular bag. Outcome measures included best spectacle corrected visual acuity (BSCVA), refractive results, graft clarity and complications. Results: Seventy-six eyes of 69 consecutive patients with mean age of 61.4±14.2 years were enrolled. Mean follow-up period was 61.4±37.2 months over which mean BSCVA was significantly improved from 1.40±0.68 to 0.44±0.33 LogMAR (P<0.001). Mean postoperative spherical equivalent refractive error was -2.13±3.02 D, which significantly differed from the target refraction (-0.73±0.29 D, P=0.004). At final follow-up, 89.5% of the corneal grafts remained clear. Conclusion: The triple procedure is a safe and effective approach to restore vision in patients with coexisting corneal pathologies and cataracts. However, unacceptable postoperative refractive error can be anticipated.

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