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It is the cause of approximately 5% of blindness in the United States and nearly 60% of blindness in parts of Africa and South America. [12] Blindness from cataracts occurs in about 10 to 40 per 100,000 children in the developing world , and 1 to 4 per 100,000 children in the developed world . [ 7 ]
Unlike cataracts in adults, which happen after the eyes and vision are fully developed, pediatric cataracts can have serious long-term effects on a child’s vision. That’s because a child’s ...
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]
Cataracts are the main cause of blindness in Africa, and affect approximately half of the estimated seven million blind people on the continent, a number that is expected to increase with population growth by about 600,000 people per year. As of 2005, the estimated cataract-surgery rate was about 500 operations per million people per year.
Researchers have recently developed a new drug that will ultimately shrink down and dissolve cataracts -- the leading cause of human blindness that affects tens of millions of people worldwide.
Intraocular hemorrhage may be caused by physical trauma (direct injury to the eye); ocular surgery (such as to repair cataracts); or other diseases, injuries, or disorders (such as diabetes, hypertension, or shaken baby syndrome). [2] Severe bleeding may cause high pressure inside the eye, leading to blindness.
Congenital cataracts are responsible for nearly 10% of all vision loss in children worldwide. Congenital cataracts are one of the most common treatable causes of visual impairment and blindness during infancy, with an estimated prevalence of 1 to 6 cases per 10,000 live births.
Vitamin A deficiency is a leading cause of preventable childhood blindness, particularly in developing countries. Vitamin A deficiency is defined as a serum (blood) concentration of less than 0.70 μmol/L while a severe deficiency is defined as less than 0.35 μmol/L, per the Centers of Disease Control National Health and Nutrition Examination ...