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Most complications of cataract surgery do not result in long-term visual impairment, but some severe complications can lead to irreversible blindness. A survey of adverse results affecting Medicare patients recorded between 2004 and 2006 showed an average rate of 0.5% for one or more severe post-operative complications, with the rate decreasing ...
Cataract surgery is not readily available in many countries, and surgery is needed only if the cataracts are causing problems and generally results in an improved quality of life. About 20 million people worldwide are blind due to cataracts.
However, it has been proven to be an ineffective and dangerous method of cataract therapy, which often leads to blindness or only partially restored vision. The technique has mostly been replaced by extracapsular cataract surgery, including phacoemulsification.
www .cureblindness .org. The Himalayan Cataract Project (HCP) was created in 1995 by Dr. Geoffrey Tabin and Dr. Sanduk Ruit with a goal of establishing a sustainable eye care infrastructure in the Himalaya. HCP empowers local doctors to provide ophthalmic care through skills-transfer and education.
Cataract is globally the most common cause of blindness in people older than 50 years. It impairs vision and lowers quality of life. Improvements in vision help with daily activities, including work productivity and education. Cataract surgery reduces risk of falling and of dementia.
Recovery from blindness is the phenomenon of a blind person gaining the ability to see, usually as a result of medical treatment. As a thought experiment, the phenomenon is usually referred to as Molyneux's problem.