Reading difficulties in stroke patients commonly caused by eye movement problems

Saturday, May 26th, 2012 11:00:19 by

ISLAMABAD: Visual problems can affect up to two thirds of stroke patients, but can sometimes go undetected if patients do not recognise them as an after-effect of the condition or if they are unable to communicate the problem to their medical team or families.
Research has often focused on visual field loss, caused by an interruption in the pathways that deliver an image from the eye to the brain for processing, Mediacal Today Reported.
Study led by scientists at Liverpool, however, has shown that damage to the nerve supply that controls eye movement is also a common problem after a stroke. Impaired eye movement can impact on the ability to follow a moving object or read words on a page.
Treatments include exercises to strengthen the eye muscles when looking at objects close to the face, as well as prisms that can be fitted to glasses to join double vision.
The research highlights the need for developing stricter assessment methods to ensure vision problems are detected and appropriately identified as the after-effects of stroke as opposed to a symptom of old age.
Other vision problems include central vision loss, a complete loss of vision in one or both eyes, and ‘higher’ visual processing problems, in…
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