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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 ...
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.
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]
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.
A subconjunctival hemorrhage can often occur without any obvious cause or harm to the eye. A strong enough sneeze or cough can cause a blood vessel in the eye to burst. Hyphema is a result of blunt or penetrating trauma to the orbit that increases intraocular pressure, causing tears in the vessels of the ciliary body and iris.
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.
Glassblower's cataracts are a form of cataract due to an occupational exposure. They are formed by many years or decades of exposure to infrared radiation while working in the occupation of glass blowing , or working close to hot or molten metals such with metal foundry workers [ 1 ] or blacksmiths .