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A cataract is a clouding that develops in the crystalline lens of the eye, varying in degree for slight to complete opacity and obstructing the passage of light. Cataracts typically progress slowly to cause vision loss and are potentially blinding if untreated.
If cataracts are diagnosed, treatment options will be discussed. If the cataracts do not limit normal activities, a change of spectacles may help temporarily. When they begin to affect daily lifestyle - glare and blur interfere with driving, reading or the favourite hobby, it is time to consider surgery.
Surgery Cataract removal is one of the most successful operations. It involves the removing of the opaque lens with phacoemulsification and replacing it with a foldable silicon Intraocular Lens (IOL), to restore focus to the eye.
A tunneled incision is made in the sclera, one to three millimeters above the iris. Through this tiny incision the surgeon will remove the cataract and implant a foldable lens
Just behind the iris, the human lens is housed in an elastic capsule. This capsule is kept to house the intraocular lens, while removing the cataract.
The phacoemulsifier is an ultrasonic probe which vibrates 40 000 times per second. It breaks a cataract up into tiny microscopic pieces which are emulsified and gently aspirated out of the eye.
Situated in the same capsule which housed the natural lens of the eye, the unfolded intraocular lens restores focus after cataract surgery.
A specially designed injector, much like a syringe, is used to implant the foldable intraocular lens. The lens is slowly injected into the center of the pupil, where it expands and unfolds into position.
A patch and eye shield is placed over the operated eye. The patient's blood pressure will be monitored and will rest until ready to leave.
The operated eye will be examined by the doctor the day after the surgery. Further follow-up visits will be scheduled to monitor the progress of healing.