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October 30, 2020 | Author: Admin
Cataract surgery is the surgical treatment of replacing the eyes natural cataractous opaque lens with a artificial but near natural lens. Cataract surgery ensures clear vision in most normal eyes. Advancement in technology allows the availability of various types of lenses. The choice of lenses for the patient depends upon the ocular condition of the patient and the expectations of the patient from cataract surgery.
As a person ages, the natural lens of the eye gets cloudy due to denaturation of the lens protein called collagen thereby losing it’s natural transparency. This results in poor vision. This is an age-related condition. The doctor performs cataract surgery to treat this condition. During the surgery, the doctor replaces the natural cloudy lens with the synthetic lens. The surgery is an out-patient procedure. The doctor discharges the patient immediately after the operation on the day of surgery. The doctor will call you a couple of days after surgery follow up check up. During this scheduled visit, the doctor will evaluate the outcome of surgery and how well you are recovering.
Various types of intraocular lens are available. The choice of lens depends upon the requirement of the patient. Following are some of the lens available;
Accommodating lens: Accommodating lens have various advantages over the other normal lens that the surgeon uses during cataract surgery. The visual acuity provided through the accommodating lens is free from any optical aberrations and image destruction.
Toric lens: Toric lens is different from the common lenses. They differ in curvature due to difference in toricity and offer various advantages. The common lens is spherical, while the toric lens also has a cylindrical component incorporated in it. Apart from clear vision, the toric lens also offers management of astigmatism.
Monofocal lens: These lenses are the most common lenses that the doctor uses during cataract surgery. These are fixed for vision at a particular distance. The doctor may fix them for vision at a large distance, mid-distance, and near distance. Various advancements in the monofocal lens technology result in excellent outcomes.
Multifocal lens: Multifocal lens have various advantages as compared to monofocal lenses. Multifocal lens, apart from cataract management, also manages presbyopia. These are similar to multifocal contact lenses but do not require care as compared to contact lenses. The multifocal lenses allow the patient to see the far, near, and the objects in the intermediate visual field. The patient does not need any glasses after cataract surgery if they have opted for multifocal lenses. They may sometimes require reading glasses to read fine print.
Aspheric lens: These are monofocal lens but have advanced in-built features. It allows better vision quality, especially at night than the normal monofocal lens. They can avoid spherical aberrations.
The doctor will evaluate your condition and will decide which lens will be best suitable for you. The choice of lens will depend upon the ocular conditions other than the cataract. The choice of the lens also depends upon the requirement of the patient and what the patient expects from cataract surgery.
