A cataract is a clouding of the normally clear lens of the eye. Cataracts are caused by many factors such as Ultraviolet (UV) light from the sun, medications, diseases, trauma, etc. However, most age-related Cataracts are caused by harmful UV rays from the sun so everyone will develop cataracts with age. You may not notice the early symptoms of cataracts because the loss of vision from cataracts is gradual. Some patients can develop Cataracts within months but it may take several years in others.
Symptoms of cataracts tend to be a gradual blurring or clouding of vision, deterioration of vision under bright light conditions, glare and difficulty with night driving, poor night vision, and more sensitivity to light. Treatment for Cataracts involves surgically removing the cloudy natural lens in the eye using ultrasound and a no-stitch incision, and replacing it with a permanent lens implant.
There are different types of intraocular lens implants. Standard monofocal lenses correct distance vision only so that you will need reading and computer glasses after surgery. Multifocal lenses reduce the need for glasses for both distance and near vision after surgery. There are also toric lenses that corrects astigmatism.