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Phacoemulsification [ P H A C O ]
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Small Incision Sutureless
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Cataract Surgery with Intraocular Lens (IOL) Implant
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What is Cataract ?
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Normally, the lens of the eyes is clear and allows light rays to pass through easily.When a cataract develops, the lens becomes cloudy and opaque. 'The light rays no longer pass through the lens, so the patient cannot see clearly.
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Cataract is not a new growth or a film over the eye. In most cases, it is just part of the aging process.
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It is not contagious.
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Types of Cataract
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There are many types of a cataracts. A change in the chemical composition of the lens causes most cataracts. The following are the various types of cataracts.
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Senile Cataract
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This is the most common type of cataract, comprising 80 percent of the total cataracts. It occurs in patients above the age of 50.
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Congenital Cataract
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Cataracts in children are rare. They can be caused by infection of the mother during pregnancy, or they may be hereditary.
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Traumatic Cataract
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Eye injuries may cause cataracts in patients of any age.
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Secondary Cataract
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Eye diseases, like glaucoma, iritis, eye tumours, and diabetes may cause cataracts.
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Drug-induced Cataract
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Prolonged treatment with steroid drugs, either local (e.g.,asthma) may lead to cataract formation.
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Symptoms
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Bluarring or dimness of vision.
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Feeling of a film over the eyes.
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Sensivity to light and glare.
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Treatment
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Removal of the cloded lens through surgery is the only treatment. Cataract cannot be cured by medicines or spectacles.
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A cataract operation is a minor operation done with local anaesthesia. During the surgery, which usually takes about 15 minutes, the cataract is removed and will be replaced by either:
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Cataract eye glasses or
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Intraocular lens implant (IOL)
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Intracular Lens(IOL)
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An IOL is a tiny transparent convex lens, made of polymethyl methacrylate, (a harmless plastic substance) inserted in the eye during surgery. Unlike contact lenses, an IOL stays permanently in the eye and does not cause irritation.
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Advantages of IOL
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Since the lens is placed inside the eye, the patient need wear glasses for clear vision.
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Images are clear and of the same dimension without distortion.
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Full vision returns very early.
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Normal field of vision.
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Types of Cataract Removal Routine Method
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A 10-mm incision is made in eye. The cataract is removed, and the opening is closed with sutures.
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Phaco or Sutureless Surgery Method
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A 5-mm incision is made in the eye. The cataract is broken into small pieces by a machine with ultrasonic waves and removed with needle. A specially prepared IOL is inserted into the eye and the wound heals without sutures.
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Advantages of Phaco
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Early surgery can be done, so the patient need not wait for the cataract to mature.
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Small incision
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No sutures
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- no irritation
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- no watering
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- no need for suture removal
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Early return to work.
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No need to continue eye drops for a long time
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No need for hospital stay. Even if the patient stays in the hospital, it is only for a short time.
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Only one postoperative visit necessary.
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Stable refraction after one month.
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* * * The ophthalmic surgeon has to take final decision whether the patients can undergo phaco or not.
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* * * If you or anybody in your family or neighbourhood has eye problems, DO NOT DELAY.
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See an eye specialist immediately.
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Remeber
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An ophthalmologist only can provide total eye care : Medical, Surgical and Optical.
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It's your sight !
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Your eyes deserve the best care
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available !
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* * *
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01. Diabetes and the Eye
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02. Refractive Errors in Children
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03. IOL Implantation in Children
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04. Treat amblyopia early & save sight
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05. GLAUCOMA
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06. PHACOEMULSIFICATION (PHACO)
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