Comparison of Anterior Capsule Stability Following Implantation of Three Single Piece Acrylic Intraocular Lenses with Different Haptic Design
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Purpose: To compare the anterior capsule contraction and intraocular lens (IOL) decentration among threetypes of IOL to determine the influence of haptic design on anterior capsule stability. Methods: One hundred fifty patients were enrolled in this prospective, randomized study and 260 eyes underwentimplantation of one of the following IOLs: modified L-haptic IOL (n = 74), modified C-haptic IOL (n = 97),or a plate-haptic IOL (n = 89). The area of the anterior capsule opening, IOL decentration, and capsule overlapwere measured using retroillumination photospot 1 day and 2 months after cataract surgery. Results: The area of capsule opening at postoperative day 1 was significantly different between the three IOLs(p < 0.01). All IOLs showed reduction of the anterior capsule opening from 1 day to 2 months after surgery,and greater reduction was shown in the modified C-haptic IOL (p < 0.001). At postoperative month 2, IOL decentrationwas significantly different between the IOLs and showed a positive correlation with the mean areareduction during month 2. Conclusions: The degree of anterior capsule contraction and IOL decentration in modified L-haptic IOLs wereless than those in modified C-haptic IOLs and comparable to those in plate-haptic IOLs.
Abstract
Purpose: To compare the anterior capsule contraction and intraocular lens (IOL) decentration among threetypes of IOL to determine the influence of haptic design on anterior capsule stability. Methods: One hundred fifty patients were enrolled in this prospective, randomized study and 260 eyes underwentimplantation of one of the following IOLs: modified L-haptic IOL (n = 74), modified C-haptic IOL (n = 97),or a plate-haptic IOL (n = 89). The area of the anterior capsule opening, IOL decentration, and capsule overlapwere measured using retroillumination photospot 1 day and 2 months after cataract surgery. Results: The area of capsule opening at postoperative day 1 was significantly different between the three IOLs(p < 0.01). All IOLs showed reduction of the anterior capsule opening from 1 day to 2 months after surgery,and greater reduction was shown in the modified C-haptic IOL (p < 0.001). At postoperative month 2, IOL decentrationwas significantly different between the IOLs and showed a positive correlation with the mean areareduction during month 2. Conclusions: The degree of anterior capsule contraction and IOL decentration in modified L-haptic IOLs wereless than those in modified C-haptic IOLs and comparable to those in plate-haptic IOLs.
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