Cataracts take place when the normal clear lens inside the eye, positioned behind the iris, becomes cloudy over time. This lens is the main for focusing light on the retina so that images come into view clear and without distortion, and the clouding of this lens during cataract formation distorts the vision. Cataracts are usually a very slow process of normal aging but can irregularly develop rapidly.
Cataracts and Cataract Surgery
They usually affect both eyes, but it is not rare for a cataract in one eye to go forward more rapidly. In the start, the cloudiness in the lens of the eye may not be noticeable. But over time, the clouded visualization can unfavorably affect everyday activities.
In the early stages of the disease, a transform in prescription lenses can assist improve vision. Using sunglasses are supportive to reduce glare. Though, as the cataract continues to rise, vision becomes cloudy, and stronger glasses or contact lenses will no longer improve sight. Sometimes, magnifying lenses are used for reading. Cure for cataracts related to ageing may not be required if there are no symptoms or if eyesight is only modestly affected.
For acute cataracts, surgery is the only victorious treatment technique. Cataracts are spotted by the finding of lens pacification during a medical eye test by an eye-care professional. The abnormal lens can be seen utilizing a range of specialized viewing instruments. Using an assortment of tests, doctors are able to tell how much a cataract may be affecting the vision. The surgery is carried out under local anesthesia to stop any feeling of pain during the process. Before the surgery, suitable patient evaluation and eye measurement will be done. This will assist the doctor is choosing the right alternate lens for the patient. Just before the operation, eye drops are given to widen the black circle part (the pupil) of the eye. The process is fairly fast and no pain is felt during the whole surgery.
There are different types of cataract, a number of which are due to uncommon diseases or as an effect of local eye injuries. Though, the two main types are senile cataracts which is the most common type and congenital cataracts which are comparatively rare but important to diagnose early. Senile cataracts are age-related while the congenital cataracts are present at birth.