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Multifocal lens Multifocal lens implants have a series of rings on the lens, which causes light to be focused simultaneously for distance, intermediate and near vision. These lenses can provide a patient with the highest degree of spectacle freedom such that individuals may be able to see clearly in the distance, yet also be able to read a newspaper without reading glasses. There are some limitations to these lenses such as loss of contrast sensitivity and some patients may experience seeing halos around lights at night. As well, for certain tasks some patients may still require the use of a weak pair of reading glasses. Despite these limitations, most patients who have multifocal lenses implanted are very happy with their vision and the reduced dependence on glasses. Multifocal lenses may be ideal for those people who lead an active lifestyle and who would prefer to see well for most tasks without glasses. These lenses are more costly than monofocal lenses, but may pay for themselves if prescription glasses are needed much less frequently after your eye surgery. At the Halifax Vision Centre we use the Alcon ReSTor multifocal lens. Accommodative lens Accommodative lens implants use the eye’s own focusing muscle, the ciliary body, to cause the specially designed lenses to move slightly back and forth in position in the eye. This change in position in the eye allows for images to be focused for distance and for near. Most patients who have an accommodative lens implanted in both eyes can see clearly without glasses for distance, intermediate and most near tasks. For the smallest size print or for reading in dim lighting, some patients may still need to wear a weak pair of reading glasses. Unlike multifocal lens implants, there is no increased risk of glare or halos with accommodative lens implants over standard monofocal lenses. At Halifax Vision Center we use the Bausch & Lomb Crystalens accommodative lens implant. Your surgeon can discuss with you which lens would best suit your vision needs. Toric lens implant There is now a soft toric intraocular lens which can correct the majority of astigmatism allowing patients with this condition the greatest chance to see clearly for distance without glasses. Glasses will still be required for reading. If you have astigmatism your surgeon can recommend whether or not you would be a candidate for this lens. At Halifax Vision Centre we use the Alcon Acrysof toric as well as the Rayner T-Flex toric intraocular lenses |