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Childhood cataracts are the primary cause of childhood blindness. [4] Childhood cataracts make up 7.4% to 15.3% of blindness in kids. [4] The prevalence of childhood cataracts ranges from 0.63/10,000 to 9.74/10,000 children, with a median of 1.71. [6] This is dependent on factors like economic status but not gender or laterality. [6]
Age-related cataracts are responsible for 51% of world blindness, about 20 million people. [68] Globally, cataracts cause moderate to severe disability in 53.8 million (2004), 52.2 million of whom are in low and middle income countries. [69] In many countries, surgical services are inadequate, and cataracts remain the leading cause of blindness ...
The average age of symptom onset is 19 years, with central nervous system symptoms being the first indications. Neurological characteristics include Parkinsonism, epilepsy, dystonia, progressive ataxia, palatal myoclonus, intellectual disability, dementia, and psychiatric symptoms. CTX often results in cataracts during childhood.
Roughly 25 million Americans have cataracts, and more than half of people age 80 and above either currently have them or have had cataract surgery, per the U.S. National Institutes of Health ...
Prevalence of cataract considerably varies by age group, as well: for ages 50–59, it is 7.88%; for ages 60–69, it is 24.94%; for ages 70–79, it is 51.74%; in people over 80 years old, it is 78.43%. The overall cataract-surgery coverage rate was 9.19%. The prevalence of cataract and cataract surgical coverage also significantly varies by ...
Worldwide for each blind person, an average of 3.4 people have low vision, with country and regional variation ranging from 2.4 to 5.5. [79] By age: Visual impairment is unequally distributed across age groups. More than 82% of all people who are blind are 50 years of age and older, although they represent only 19% of the world's population.
Treatment options depend on the severity of the condition. For children under the age of two years old whose vision is affected by the cataracts in both eyes, surgical options include intraocular lens implantation or a lensectomy. [2] Congenital cataracts are considered to be a significant cause of childhood blindness.
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