It adds: “In addition to threatening the anatomy of the eye, high blood pressure can also cause a stroke, which can impair the optic nerve or damage the area of the brain responsible for processing images.”
It also says when subjected to the long-term effects of high blood pressure, a fluid buildup under the retina, known as choroidopathy, can occur.
The organisation explains: “This buildup of fluid under the retina, the light-sensitive layer of tissue at the back of the eyeball, results in distorted vision or, in some cases, scarring that impairs vision.”
Some people also experience nerve damage, known as optic neuropathy. It says this is the result of blocked blood flow that damages the optic nerve.
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