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Lemy Agbessi, Remi Mascali, Beatrice Cochener, Isabelle Orignac, Cedric Schweitzer; Glistenings in multifocal intraocular lenses: Visual outcomes and risk factors. Invest. Ophthalmol. Vis. Sci. 2014;55(13):2522.
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Intraocular lens glistenings have been reported in the literature since 1984 and its impact on vision is controversial. The aims of this study were to evaluate quality of vision after implantation of multifocal hydrophobic acrylic intraocular lenses with glistenings, and to determine clinical factors associated with glistenings.
This study prospectively included consecutive eyes from September 2012 to March 2013. Glistenings was graded with slitlamp examination and IOL photography. Quality of vision was evaluated with corrected visual acuity, reading speed, and best reading distance (Salzburg Reading Desk), defocus curve, contrast sensitivity and aberrometry. All participants underwent a complete ophthalmologic examination and had to fill the NEI-RQL questionnaire.
The study consecutively included 102 eyes. Glistenings occurred in 65% of eyes, 20% were mild glistenings, 45% were moderate to severe glistenings. Glistenings was related to glare (p=0.01) but had no significant impact on visual acuity, reading speed, best reading distance, defocus curve, contrast sensitivity and aberrometry. Glistening density was related to higher dioptric intraocular lens power (p=0.04).
Glistenings do not impair visual function measurements, but have an impact on patients' visual symptoms such as glare. In this study, lens glistenings increase with high dioptric power.
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