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Flexible open-loop anterior chamber intraocular lens implants
Purpose:
To determine the efficacy of flexible open-loop anterior chamber intraocular lens (AC IOL) implants in cataract surgery complicated by vitreous loss and in secondary implantation.
Method:
Results were reviewed in 18 eyes in the former group and in 43 eyes in the latter group that were operated on by the author over an 8-year period.
Results:
Of 18 eyes in the former group, 13 (72%) had a final visual acuity of 20/40 or better. Cystoid macular edema was the most common cause of the decrease in visual acuity. Of 43 eyes in the latter group, 37 (86%) had a final vision equal to the best-corrected preoperative vision. A retinal complication developed in 6 of 18 eyes that received a primary AC IOL with vitreous loss, whereas no retinal complications developed in any of the 14 eyes that received a secondary AC IOL with vitreous loss (P = 0.021). For secondary AC IOL implantation, eyes with vitreous loss treated by Weck-cel sponge vitrectomy had the same visual results as eyes without vitreous loss.
Conclusion:
Flexible open-loop AC IOLs are safe and effective for primary implantation after vitreous loss and for secondary implantation.