Abstract:
PURPOSE:To compare postoperative performance and stability of 6.0-mm optic single- and 3-piece acrylic foldable intraocular lenses (IOLs). DESIGN:Prospective, randomized, self-controlled trial. PARTICIPANTS:Eighty eyes of 40 patients with bilateral senile cataracts. INTERVENTION:Phacoemulsification and IOL implantation were performed. One eye of a patient was randomly assigned to the SA60AT single-piece IOL, and the contralateral eye was allocated to the MA60AC 3-piece IOL. MAIN OUTCOME MEASURES:Best-corrected visual acuity (BCVA), spherical equivalent, aqueous flare intensity, anterior chamber depth, amount of IOL decentration and tilt, area of anterior capsule opening, and degree of posterior capsule opacification (PCO) were measured 2 days, 1 week, and 1, 3, 6, and 12 months after surgery. Specular microscopy was performed at 12 months postoperatively. RESULTS:In the SA60AT group, the anterior chamber depth did not show significant changes after surgery (P>0.05; paired t test), and the refraction remained highly stable throughout the 1-year study period. The MA60AC group showed significant shallowing of the anterior chamber (P<0.05) and a myopic shift (P<0.05) up to 1 month after surgery. There were no significant differences between the 2 groups (P>0.05) in BCVA, aqueous flare intensity, the amount of IOL decentration, IOL tilt, area of anterior capsule opening, and degree of PCO throughout the 12-month follow-up period. CONCLUSIONS:Both the SA60AT single-piece and MA60AC 3-piece lenses showed a minimum amount of decentration, tilt, anterior capsule contraction, and PCO. Although the MA60AC showed significant forward shift and myopic refractive changes after surgery, the SA60AT displayed little axial movement associated with highly stable refraction after surgery. This feature of the SA60AT should facilitate earlier spectacle prescription and quicker visual/social rehabilitation of patients after cataract surgery.
journal_name
Ophthalmologyjournal_title
Ophthalmologyauthors
Nejima R,Miyai T,Kataoka Y,Miyata K,Honbou M,Tokunaga T,Kawana K,Kiuchi T,Oshika Tdoi
10.1016/j.ophtha.2005.10.064subject
Has Abstractpub_date
2006-04-01 00:00:00pages
585-90issue
4eissn
0161-6420issn
1549-4713pii
S0161-6420(06)00003-0journal_volume
113pub_type
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