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Parkinson’s disease is defined as a degenerative disorder of the central nervous system that mainly affects the locomotor system.
The signals that communicate between the brain and the nervous system are interrupted and this causes a series of disabilities, many of them related to movement. Symptoms are usually subtle at first, but become quite clear as the condition progresses. When this happens, the eyes can be affected in several ways.
Vision problems in Parkinson’s disease can range from dry eyes and blurred vision to difficulty controlling eye movements, an inability to open the eyelids, and an increased chance of hallucinations.
The Parkinson’s.net health site says: “Parkinson’s disease can cause eye or eyelid problems, as well as side effects from medications used to treat the condition. Sudden visual changes should be reported to your doctor immediately, as that, as with other Parkinson’s symptoms, most of the related symptoms last. It’s time to evolve. “
See color
According to the UK Parkinson’s charity, some people with the condition may have difficulty differentiating certain colors.
The association adds: “This problem can be made worse by shades of blue-green. Your color vision can improve with Parkinson’s medication.”
Dry eyes
People with Parkinson’s disease may notice that they blink a lot. Blinking helps clean your eyes by removing dust and dirt, so if you blink less often these substances can build up and cause dry or inflamed eyes.
The charity explains: “Dry eyes can have other causes, so see an eye doctor for an accurate diagnosis. They may suggest you try artificial tears, which are available in pharmacies and can help reduce discomfort and dryness. “.
Double vision
Double vision occurs when a person sees two images of the same body at some point or all of the time.
The two images can appear one on top of the other or next to each other, or sometimes you can find a combination of both.
“This is often caused by trouble moving the eyes,” says the charity. He adds that this occurs “when the eyes do not move smoothly across a line or from one object to another, for example, when moving across a page when reading, or from top to bottom.”
It is not known why the loss of neurons associated with Parkinson’s disease occurs, although scientific research continues to determine possible causes.
Currently, it is believed that a combination of genetic changes and environmental factors may be responsible for the condition.
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