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Stroke and vision loss

Dr Raj P Pathmaraj

20/12/2017

Every 10 minutes, a person in Australia has a stroke. A stroke happens when part of the brain does not receive enough oxygen, either because there was a blood clot or a bleed in the brain. People suffer from a range of different problems after a stroke, depending on where in the brain the oxygen starvation occurred. This includes difficulty with mobility, speech, muscle control and, commonly, vision. In fact, approximately one-third of stroke survivors experience vision loss. Most people recover some vision after a stroke – usually in the first few months – with rehabilitation and treatment.

Why does a stroke affect vision?

Your eyes send information to different parts of the brain to produce the image that you see. If a stroke damages part of the brain that normally controls vision, a person’s sight will be affected. How it is affected depends on the location and severity of the stroke.

The most common ways a stroke affects vision are:

Who can help me?

Visual disturbances caused by a stroke can be treated and some vision can be restored for most people. Your doctor may refer you to various eye care specialists to diagnose and treat stroke-related vision problems. The different people involved in your treatment and rehabilitation can include:

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