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People who have a multifocal intraocular lens after their cataract is removed may be less likely to need additional glasses compared with people who have standard monofocal lenses. [2] People receiving multifocal lenses may experience more visual problems, such as glare or haloes (rings around lights), than with monofocal lenses.
Extended depth-of-focus (EDOF) is an intraocular lens technology for treating presbyopia. Where multifocal IOLs have two or more focal points, EDOF lenses form a single elongated focal point to enhance depth of focus. The intention is to reduce glare, halos, and other photic phenomena which occur with multifocal IOLs.
Multifocal intraocular lenses are designed to avoid the need for glasses by providing two or more points of focus. Multifocal glued IOL procedures have been done with the ReZoom (Abbott Medical Optics), and Tecnis (Advanced Medical Optics (AMO)) IOLs. This makes it possible to offer the accommodative IOL advantage even to patients with an ...
Similarly, cataract surgery can be performed together with Laser Blended Vision to provide a patient with better spectacle independence than can be afforded by simple monovision and without the decrease in quality of vision that is produced by a Multifocal intraocular lens. Multifocal intraocular lenses work by splitting the light entering the ...
The best way to achieve both distance vision and near vision is to place multifocal IOLs or accommodating IOLs in both eyes. [1] [8] The intraocular lens power calculations for clear lens extraction is similar to calculations used for conventional cataract surgery. [8]
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IOLs can be used to correct other vision problems, such as toric lenses for correcting astigmatism. [38] IOLs can be classified as monofocal, toric, and multifocal lenses. [39] Ocular anaesthesia has improved since Alfred Einhorn synthesised procaine in 1905, which was used in retrobulbar anaesthesia.
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