Cataract surgery is performed to remove clouding from the eye's lenses and replacing them with an artificial one. It improves vision to a great extent. However, the patient has to wear eyeglasses for accomplishing daily routine activities. If you have undergone surgery and want to get rid of the eyeglasses as well, then the best option for you is to go for multifocal intraocular lenses. Getting this lens implanted will improve the ability to see near and distant objects clearly.
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One of the many advantages of getting multifocal IOLs implanted is that it requires no or minimal care. Unlike contact lenses, there is also no requirement to change it. Since the lenses are implanted in the eyes, patients get freedom from eyeglasses. However, they may still have to use the eyeglasses when reading small letters in a newspaper, and for computer use.
The difference between multifocal intraocular lenses and unifocal lenses is that the former can improve near and distant vision, whereas, the latter will enhance up close vision. However, it takes a few days for the vision to recover after the cataract surgery. Patients' ability to improve near and distance vision will also depend on the right selection of multifocal lenses. Presently, in India, you can find two types of these lenses – the diffractive Multifocal IOL and the refractive Multifocal IOL. It is also necessary to consult the ophthalmologist to know the advantages and disadvantages of lenses, and decide depending on your visual needs.
The main objective of multifocal IOL is to improve both near and distance vision as well as reduce the use of eyeglasses gradually. With multifocal lens implantation, patients will develop abilities to see clearly at any distance within 6 to 12 weeks.