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Anterior chamber depth change following cataract surgery in pseudoexfoliation syndrome

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Session Details

Session Title: Cataract Surgery Special Cases II

Session Date/Time: Monday 15/09/2014 | 16:30-18:30

Paper Time: 17:12

Venue: Auditorium

First Author: : S.Mohammadi IRAN

Co Author(s): :    M. Fallah-Tafti   H. Abdollahbeiki   E. Ashrafi        

Abstract Details


To assess the pseudophakic anterior chamber depth (PP-ACD) change following cataract surgery in pseudoexfoliation syndrome (PEX).


University-affiliated eye hospital, Tehran, 2013


Consecutive eyes with PEX and cataract underwent standard phacoemulsification and implanted with single-piece acrylic posterior chamber IOLs. Eyes with severe PEX and axial length (AL) greater than 24 or less than 22 mm were not included. Eyes with capsular complication or unstable bags necessitating capsular tension ring insertion were excluded. SRK-II formula was used for IOL power calculation intending post-operative (P/O) emmetropia. Ocular coherence tomography Visante (Carl Zeiss Meditec, Inc.) and A-scan ultrasound were used for anterior segment biometry and AL measurement at baseline and P/O months 1 and 6, respectively. Horizontal white to white diameter (HWTW) was measured with calipers intraoperatively.


26 eyes of 26 subjects (mean age: 72 [range: 60-84] years) were included. 57% were male. PP-ACD was deepened (mean change: 0.1 mm) and a concurrent hyperopic shift (0.3 D) between P/O months 1 to 6 was observed (P values < 0.004). PP-ACD and P/O refraction changes were correlated with age and AL (P values < 0.025), respectively. Posterior capsule opacification at 6 months had a marginal association with more hyperopic shift and PP-ACD deepening was more among males (P values = 0.053). Keratometry, crystalline lens thickness, and HWTW were not correlated with PP-ACD and P/O refractive changes.


The observed consistent ACD change in the 6 month P/O course of PEX warrants further studies on large representative samples. Potential predictors of such changes e.g. age and AL should be explored further. Longer than 1 year follow-up is recommended when the majority of capsular events would already had happened.

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