Causes of intraocular pseudophakic lens explantation in Spain

Abstract

Purpose

To report the causes of pseudophakic intraocular lens (IOL) explantation in Spain over a 20 year period.

Methods

Multicenter observational prospective study of a consecutive series of cases corresponding to pseudophakic intraocular lenses explantations performed in 22 Spanish clinical centres from 2002 to 2021, within a national clinical research network. The clinical data of all IOL explantation patients was evaluated, and the different causes for IOL explantation were systematically analyzed.

Results

From a total of 1013 pseudophakic explantations, 919 cases were included in this investigation. The mean age of the patients at the time of explantation was 66.3 years, and 142 (15.45%) were women. Over the 20 years of the study, the five main reasons for explanting lenses in the last 20 years in Spain according to the Iberia RETICS database were: dislocation / decentration / misalignment (43.08%), bullous keratopathy (16.79%), neuroadaptation failure (13.85%), IOL opacification (9.71%), refractive surprise (6.87%). Other causes, less frequent, were uveitis / endophthalmitis / infection with 39 cases (4.25%); IOL substitution for reasons other than multifocal IOL neuroadaptation failure 3 cases (0.33%); and other causes, 47 cases (5.13%). Hydrophobic lenses were the most frequently explanted with a ratio of 47.1%.

Conclusions

Over the 20 years of the study, the five main reasons for explanting lenses in the last 20 years in Spain according to the Iberia RETICS database were: dislocation / decentration / misalignment, bullous keratopathy, neuroadaptation failure, IOL opacification, and refractive surprise.

Keywords

cataract surgery intraocular lenses intraocular lens explantation lens subluxation pseudophakia in Spain lens opacification.

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