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If you wear progressive lenses, you are likely over 40 and have presbyopia,the aging of the lens inside the eyes that everyone gets as they getolder. This causes difficulty withclose vision. In addition to this,you have some type of refractive error such as nearsightedness (myopia),farsightedness (hyperopia) and/or astigmatism, which can affect both your farand your near vision.There are several good ways to address all these troubles withsurgery. LASIK or other forms oflaser vision correction (LASEK, PRK, epi-LASIK) can be used to give“monovision,” where one eye sees clearly for far, and the other eye is leftslightly nearsighted to allow for close vision. Most, but not all people adapt well to this type ofvision and either don’t need any glasses at all, or will very rarely useglasses to fine tune the vision in certain situations. Monovision can usually be simulatedwith contact lenses prior to surgery so that you can determine if you willadapt to it well.Another very different option is called Refractive Lens Exchange(RLE). This procedure involves theremoval of the natural lens inside the eye, and replacement with an artificiallens implant. These lens implantscan be “multifocal”—think of it as replacing the lenses inside your eyes withbifocals or progressive lenses. This procedure works quite well, but is not perfect in that there may besome night side effects, and/or some zones of near vision that are not infocus. Some patients having RLEmay still need some glasses now and then for certain near tasks. RLE is very similar to cataractsurgery, which is treatment for the clouding of the natural lens as people get intotheir 60’s and 70’s. Having RLEwill eliminate your future need for cataract surgery.Hope this helps.
it depends on age, but mainly if you are in you late forties or more, you could be a candidate for trifocal, extended depth, or multifocal intraocular lens. Anything else would only be temporal.
There is no specific laser surgery that can produce a multifocal effect. Laser correct can be modified to create a mono vision effect by leave get the non dominant eye undercorrected or there is the option of full correction with lasik followed by a presbyopia correcting inlay which should find FDA approval next year. Another option would be to consider the option of so- called clear lens exchange surgery. This is a scenario where the natural crystalline lens is removed prior to actual cararact formation with implantation of a multifocal lens implant.