For Cataract Surgery, cataract is a common, painless, non-contagious eye disorder in which the lens in the eye becomes clouded affecting the ability to see properly. The lens, a transparent and flexible part of the eye responsible for focusing light rays as they enter the eye, develops cataract breaking up light rays as they pass to the retina. Blurry vision, difficulty seeing at night, sensitivity to light, monocular double vision, reduction in seeing colour (usually there is a yellow or brown tint) as well as finding a need to frequently change prescription glasses are some of the symptoms experienced by people with this disorder.
One of the main factors contributing to developing cataracts is related to aging though it is not uncommon for cataracts to develop at any age. Other factors include chronic exposure to UV rays, family history, diabetes, injury to the eye, genetic illness (such as galactosemia, homocystinuria and down syndrome), certain medications (such as prolonged use of statins), other eye conditions (such as retinitis pigmentosa) as well as smoking and chronic alcohol intake.
There are a number of different types of cataracts with nuclear sceloric catract most frequently diagnosed. It is a slow developing conditions that begins in the nucleus of the lens and is associated with aging. Cortical cataract, forms at the outer parts of the lens spreading slowly to the center and is most prevalent in people with diabetes. Posterior subcapsular cataract develops in the back of the lens and is also associated with people suffering from diabetes as well as Retinitis Pigmentosa, excessive use of medications such as steroids and people who have extreme nearsightedness. The rarest type of this disorder is congenital contract which is present at birth or during early childhood. It is often not clear as to why cataracts develop in children though it is thought to be associated with an infection a mother contacts during pregnancy, genetic diseases such as down syndrome or infectious diseases such rubella or herpes simplex.
When cataracts affect daily life or when the condition interferes with the treatment of other eye disorders, eye surgery is usually recommended. Cataract surgery is one of the most common, effective and safest surgery to restore vision.
Cuba offers two options for cataract surgeries: With or without an implementation of an Intraocular Lens (IOL). Both surgeries undergo similar procedure and are performed by making an incision in order to remove the clouded lens. Both surgeries can be as outpatient or with hospitalization.
IOL, a clear and flexible lens, is positioned securely in place of the clouded lens and works in the same way as the natural lens by focusing light rays into the retina. IOL are non-intrusive and usually help to improve vision.
Due to other eye conditions or problems during surgery intraocular lens may be advised against.
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