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The burden of onchocerciasis: children leading blind adults in Africa. Childhood blindness can be caused by conditions related to pregnancy, such as congenital rubella syndrome and retinopathy of prematurity. Leprosy and onchocerciasis each blind approximately 1 million individuals in the developing world.
CVI is also sometimes known as cortical blindness, although most people with CVI are not totally blind. The term neurological visual impairment (NVI) covers both CVI and total cortical blindness. Delayed visual maturation, another form of NVI, is similar to CVI, except the child's visual difficulties resolve in a few months.
Age-related macular degeneration is a main cause of central blindness among the working-aged population worldwide. [6] As of 2022, it affects more than 200 million people globally with the prevalence expected to increase to 300 million people by 2040 as the proportion of elderly persons in the population increases.
Another vision problem, diabetic retinopathy, is the leading cause of blindness in adults and is caused by damage to the retina from high blood sugar levels. What’s more, risk factors for NAION ...
AMD is the leading cause of vision loss in adults over the age of 50, while glaucoma is the leading cause of blindness in adults over the age of 60, reports the AAO. “Keep in mind that most of ...
A study explains why brains can only process a little visual information at a time, what researchers call "normal blindness." It can leads to missing typos.