In the initial stages, there may be a need to change glasses frequently. After a while, changing glasses may not help. Sometimes, the sufferer may experience multiple images. There is no pain due to cataract formation. Cataract cannot be treated be medication.
Surgery is the only way to remove the cataract.
However, surgery can be deferred as long as the vision remains reasonably good and does not interfere with the quality of life. With time, the vision will deteriorate and interfere with daily activities. When this happens, it is an indication that an operation is needed. The cloudy lens is removed and replaced with an intraocular lens. The lens remains permanently inside and differs in power for different people.