Like multifocal contact lenses, these premium IOLs have more than one power, with added magnification in certain zones of the lens for improved near vision.
Both categories or presbyopia-correcting lenses — accommodating IOLs and multifocal IOLs — have advantages and limitations.
Generally, while both designs expand the range of clear vision compared with conventional monofocal IOLs, accommodating IOLs tend to provide sharper distance vision than multifocal lenses, and multifocal IOLs tend to provide more magnifying power for seeing fine print than accommodating IOLs.
Your cataract surgeon can help you decide if accommodating IOLs or multifocal IOLs are the right choice for your particular needs during your preoperative eye exam and consultation.
Crystalens and Trulign Toric are premium intraocular lenses (IOLs) that correct presbyopia as well as common refractive errors, enabling an expanded range of clear vision and a decreased need for eyeglasses after cataract surgery, compared with surgery performed with conventional IOLs.
Currently, Crystalens and Trulign Toric IOLs are the only FDA-approved presbyopia-correcting IOLs for cataract surgery that improve near vision by a focusing process called accommodation.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'accommodate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors.
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All IOLs have a central optical zone, with peripheral "legs" (called haptics) that secure the lens implant inside the lens capsule.
The primary difference between a conventional monofocal IOL and an accommodating IOL is the design of these haptics.
That said, most people who choose one of these accommodating IOLs are very pleased with the greater freedom from eyeglasses they have after cataract surgery.
Another type of presbyopia-correcting IOL that is an alternative to accommodative IOLs is the multifocal IOL category.