Primary intraocular lens implantation for penetrating lens trauma in Africa

Objective: This study aimed to audit the surgical strategy of primary posterior chamber intraocular lens implantation for cases of recent penetrating trauma involving the lens in an African population. Design: Retrospective, noncomparative case series. Participants: Seventy-two cases are reported, including all patients who underwent primary intraocular lens implantation for traumatic cataract extraction performed within 1 month of injury between 1988 and 1996. Main Outcome Measures: Demographic characteristics and follow-up attendance rates ave analyzed. Surgical technique and the occurrence of intraoperative and postoperative complications are reported. Visual outcomes are reported with detailed analysis for cases of poor visual outcome. Results: Mean age was 14.3 years (standard deviation = 11.1), 57 (79%) were male and 15 (21%) wove female (chi-square = 23.66, P < 0.01). Fifty-eight patients (80%) attended for follow-up with a mean follow-up duration of 14.3 months (standard deviation = 17.3). No demographic or surgical differences were identified between attendees and nonattendees. The posterior capsule had been breached by the trauma in 27 (38%) cases, and 15 of these required anterior vitrectomy. Capsular fixation of the implant was achieved in 49% of patients, the remainder having sulcus fixation. Intraoperative rupture of the posterior capsule occurred in four cases. The only common postoperative complication was acute fibrinous anterior uveitis, which occurred in 29 (40%) patients, and 32% of patients followed up for at least 6 months required secondary posterior capsulotomy. This was more common in younger patients (chi-square = 4.2, P < 0.05). Corrected postoperative visual acuities were available for 51 patients, of which 71% achieved 20/60 or better visual acuity. Patients 6 years of age or younger were less likely to achieve 20/60 (chi-square = 6.61, P = 0.01). Conclusions: This surgical strategy has proved successful, producing good visual results and causing no sight-threatening complications. Primary posterior capsulotomy may be appropriate for younger patients.