Not all patients with raised intracranial pressure develop papilloedema. This can be important as people don’t usually experience the visual symptoms in the early stages of papilloedema. Papilloedema can be picked up by opticians during normal eye examinations. But when it is caused by raised intracranial pressure (ICP), it’s known as papilloedema. Optic disc swelling can be caused by a few different things. The retina is the layer of light-sensitive cells at the back of the eye. The optic disc is the point on the retina where the optic nerve enters the eye from the brain. This is because of increased pressure in the skull. Swelling of the optic discĬhanges in vision can be due to the optic disc at the back of your eye becoming swollen. The RNIB have a lot of information about other eye conditions and resources that could help.īut, the changes in vision that ARE caused by brain tumours can be the following. Remember that there are lots of conditions that could cause changes in vision, and just because you are experiencing these doesn’t mean you have a brain tumour. Why can brain tumours cause a change in vision?
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