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People with Parkinson's disease (PD) against awide range of symptoms, Including tremors and impaired faculties, cognitive decline, speech disorders, fatigue, and more. In addition to these more known symptoms, many people with Parkinson's experience "masking face," a reduction in their face expressiveness because of muscle rigidity or slowness.

The experts say that, while masking the face can sometimes be the result of rigidity around cheeks and mouth, a particularly subtle change than many Parkinson patients experience in their eyes is sometimes to blame. Flying often under the radar, this strange symptom of the eyes can cause loss of vision and increased discomfort over time. Continue reading to learn more about this early sign of Parkinson's disease, and how it can affect you.

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You can not give much thoughtful to your blinking reflex, but the experts say that maintaining a generally flashing rate of about 16 to 18 times per minute is important for eye health. InParkinsonian patientsThis rate can sometimes slow down substantially because of muscle changes, which leads to an increase in face masking, the discomfort of the eyes, and the vision even with impaired faculties.

"Problems can come from the difficulty of moving eyes and eyelids, as well asblinking problems and drought ", written ophthalmologistElliott Perlman, MD, for the Association of Diseases (APDA) of the American Parkinson. "Most of these conditions are manifested from Parkinson's disease itself, while others can be caused by the drugs needed to treat PD," he adds.

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PeopleDevelop Parkinson's disease when they lose dopamine orDopaminergic neurons in theNigra Substantia Brain area. The system of dopamine plays a vital role in muscle function and motor physiology, hence its reputation as a movement disorder.

Surprisingly, some experts believe that the reduced flash rates are more than the result of slowness or muscle stiffness resulting from a lack of dopamine. They can indeed be the body's way of trying to increase one of the exposure to light, which helps the body to develop more dopamine.

A study published in theInternational Journal of Neuroscience explains that helps flashregulate exposure to black light, Which contributes to melatonin and the production of dopamine "fine adjustment". "Decreased flashes (as observed in Parkinson's patients) could reflect a compensatory mechanism to increase light exposure, reduce melatonin production and ultimately increase dopamine functions," concludes the study. .

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Flashing at a normal pace is an essential part of ocular health because it helps to redistribute tears on the surface of the eye. Without constant redistribution, the tears evaporate rapidly, which causes the surface of the eyes to become dry and painful. As a result, some people experience a burning sensation associated with this symptom, while others have a "foreign body feeling" -The feeling that something is stuck in their eyes. Over time, it can degrade its vision, and lead to difficulties with reading and other ocular functions.

According to APDA, artificial tears can help relieve these symptomsParkinson's patients, Including blurred vision and eye discomfort.

Although less frequent, someParkinson's patients Meet the opposite problem:Excessive blinking, Known as blepharospasm.

Those who suffer from blepharospasm can benefit from seeing an ophthalmologist or a neuro-ophthalmologist, who can inject a botulinum toxin into the muscle surrounding the eye every three to four months. This treatment, carried out by a specialist in movement disorders, is known to be very effective in slowing the flashing rate and the improvement of the function of the eyes.

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