Contralateral Bifocal Intraocular Lenses overall satisfaction significantly greater than Trifocal Intraocular Lenses
The percentage of cataract patients seeking spectacle independence with presbyopia-correcting IOLs is increasing. Multifocal IOLs have provided functional distance and near vision in patients undergoing cataract surgery and refractive clear lens exchange. The main limitations with bifocal presbyopia-correcting implants have included dysphotopsias such as halos and glare and poor intermediate vision. Trifocal IOLs were developed to add a third foci and improve intermediate function. There have been numerous studies comparing visual outcomes and patient satisfaction with bifocal and trifocal IOLs.
Assessing patient satisfaction can be challenging, because the subjective perception of each patient to an identical objective stimulus, like an IOL, can be highly variable. The aim of this study by Bucci Jnr was to directly compare patient preference and visual quality of the bifocal +3.25 Tecnis IOL to the trifocal PanOptix IOL when one of each is implanted in the same patient. The purpose was not only to quantitate levels of satisfaction and preference, but also to determine "why" they preferred one IOL over another.
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