Blind Population
Toph beifong from the show avatar.
Blind population. A person who has never had sight doesn t see samuel who was born blind tells thoughtco that saying that a blind person sees black is incorrect because that person often has no other sensation of sight to compare against. The leading causes of vision impairment and blindness are uncorrected refractive errors and cataracts. Geordi la forge was blind since birth but uses a visor and later ocular implants that allow him to see the electromagnetic spectrum the character was created by gene roddenberry as a positive role model for the disabled.
The last airbender was born blind but uses her earthbending abilities to sense vibrations. What blind people actually see. The number of blind people across the world is set to triple from about 36 million to 115 million by 2050 due to a growing ageing population says a study in the lancet share via.
Blind people are just like sighted people in most ways but they may see the world differently. Due to the expected number of years lived in blindness blind years childhood blindness remains a significant problem with an estimated 1 4 million blind children below age 15. Good quality rehabilitation allows people with different degrees of visual impairment to fully profit from life achieve their goals and be active and productive in today s society.
Globally at least 1 billion people have a near or distance vision impairment that could have been prevented or has yet to be addressed. United states government agencies including the bureau of the census the national center for health statistics and the bureau of labor statistics use sophisticated statistical techniques that lead to population estimates with great accuracy. Almost all statistics on blindness are estimated which means that the numbers found in a sample are extrapolated to the entire population.
The majority of people with vision impairment and blindness are over the age of 50 years. 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.
