Main Causes Of Blindness

For children the common causes of blindness are.

Main causes of blindness.

It s a bit like the way we hear sounds as being low or high. Learn about causes diagnosis treatment and more. Color blindness means your eye doesn t see color the way it should. This 1 billion people includes those with moderate or severe distance vision impairment or blindness due to unaddressed refractive error as well as near vision impairment caused by unaddressed presbyopia.

There are three main types of blindness. Click here to see the anatomy the eye and how the eyes work. Blindness is the inability to see things including light. It can be partial or complete.

The leading causes of blindness and low vision in the united states are primarily age related eye diseases such as age related macular degeneration cataract diabetic retinopathy and glaucoma. With this in mind we ve created a list of the four most common causes of blindness in the us. It is most often inherited genetic and affects about 8 of males and under 1 of women. Globally the leading causes of vision impairment are uncorrected refractive errors and cataracts.

Conducted by the harris poll shows that while 81 of adults say they are knowledgeable about eye vision health less than 1 in 5 19 were able to correctly identify the three main causes of blindness in the u s which are glaucoma age related. Cerebral and optic nerve visual impairments cataract corneal opacity due to vitamin a deficiency glaucoma infectious meningitis torch measles rubella zika retinopathy of prematurity retinal disorders inherited trauma note that almost all are avoidable or treatable causes. People who are color blind usually have normal vision otherwise and can function well visually. Color blindness is the inability to perceive differences in various shades of colors particularly green and red that others can distinguish.

Your eyes see differences in the light that comes in. They are a clouding of the lenses occurring in the eyes. Other common eye disorders include amblyopia and strabismus. Propensity score weighting was also used to adjust for respondents propensity to be online.

Commonly referred to as amd age related macular degeneration is the leading cause of impairment of reading and close up vision among people over 65.