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Causes of Sight Loss

There are many causes of sight loss but the more common medical eye conditions that result in loss of sight are listed below. Follow the links below to read more about each eye condition and where we have also produced a visual simulation of how these conditions may affect a person's sight (Please note these simulations can only give an idea of how it may affect somone, because the effect of each person’s eye condition is unique).

SRSB has a stock of leaflets with more information about eye conditions. Please contact us to request a leaflet.

20/20 Vision

Photograph of scenery, lakes and mountains Unchanged image.

Age Related Macular Degeneration (ARMD)

Photograph of scenery with simulation of macular degeneration

ARMD is the largest single cause of sight loss amongst older people. ‘Read More’

Retinitis Pigmentosa (RP)

Photograph of scenery with simulation of retinitis pigmentosa 

Retinitis pigmentosa (RP) is the name given to a group of inherited diseases of the retina that all lead to a gradual progressive reduction in vision. ‘Read More’


Photograph of scenery with simulation of glaucoma

Glaucoma is the name for a group of conditions which affect the optic nerve and affects two in every 100 people over the age of 40. ‘Read More’

Diabetic Retinopathy

Photograph of scenery with simulation of diabetic retinopathy

People with diabetes are at risk of developing a condition called diabetic retinopathy which can result in loss of sight if not detected at an early stage. ‘Read More’

Sight Loss following a Stroke

Photo of a lake and scenery with half of the image darkened

Following a stroke up to 2 out of 3 people can experience problems with their sight. Hemianopia is the loss of sight to one side of the vision 'Read More'



Nystagmus, sometimes called 'wobbly eye syndrome', is rapid involuntary movement of the eyes which often seriously reduces vision. 'Read More'

Charles Bonnet Syndrome

Photograph of how a visual disruption may appear Charles Bonnet Syndrome is not a cause of sight loss, more a result of sight loss, but is included on this page to highlight this worrying condition which causes hallucinations, resulting in people, or their family/friends, wrongly believing that they may have mental health problems. ‘Read More’
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Sheffield Royal Society for the Blind links