There are many neurological conditions that can affect the eye and vision, some of which include:
Myasthenia Gravis: a chronic autoimmune disease that causes a serious weakening in the muscles that gradually worsens over time especially after physical activity.
Symptoms relating to the eye include; weakness of the eye muscles, droopy eyelids (ptosis) and blurred or double vision.
Brain tumours and strokes: Our brain is what allows us to see as it translates the information we observe through our eyes into images and objects that we can understand. Acquired brain injuries, strokes and brain tumours can cause neurological impairment affecting vision.
Symptoms can include blurry or hazy vision, double vision, peripheral vision loss (usually partial loss), balance problems, light sensitivity, difficulty interpreting what you see and bumping into objects and people.
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Giant Cell Arteritis (GCA): GCA, also known as temporal cell arteritis, is an autoimmune disease, and can affect the blood vessels in the head therefore interrupting blood flow. Some of these vessels affected are involved in the blood supply to the eyes and can therefore cause vision loss.
Symptoms include tender temples, jaw or tongue pain when chewing or talking, tender scalp, sudden double vision, flashing lights, colour changes, blurring of vision, sudden blindness in one eye and if not treated then the other eye.
Multiple Sclerosis (MS): MS is a neurological condition that affects the central nervous system, which therefore interferes with the nerve signals to the brain. Examination of the optic nerve in the back of the eye along with other neurological tests can help in diagnosing MS. Symptoms relating to the eye are usually the first symptoms patients with MS will experience.
Eye involvement includes optic neuritis (inflammation of the optic nerve), nystagmus (involuntary and uncontrolled movement of the eyes) and diplopia (double vision)
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