Visual impairment is a condition where the eye's ability to see clearly decreases, either gradually or suddenly. Many people assume this condition is simply caused by fatigue or simple nearsightedness. However, in some cases, visual impairment can be an early sign of a stroke.
A stroke is a serious medical condition that occurs when blood flow to the brain is disrupted. This deprives brain cells of oxygen and nutrients. If the area of the brain responsible for vision is affected, visual disturbances can be an early symptom to watch out for.
How Does Stroke Cause Vision Impairment?
The brain plays a crucial role in processing visual information from the eyes. When a stroke occurs, blood flow to certain parts of the brain can be blocked or interrupted. As a result, vision becomes impaired.
Some forms of visual disturbances that often occur due to stroke include:
- Sudden blurred vision
- Partial loss of vision
- Double vision (double vision)
- Difficulty focusing on objects
These symptoms usually appear suddenly and are different from ordinary vision problems which tend to develop slowly.
Stroke Risk Factors Related to Vision
Several risk factors increase a person's likelihood of having a stroke and can also impact vision health. These factors need to be controlled to prevent more serious complications.
Some of them are:
- Hypertension can damage the blood vessels of the brain
- Diabetes Mellitus which affects small blood vessels
- High cholesterol causes blockage of blood vessels
- Smoking habit
- Lack of physical activity
- Obesity
Controlling these risk factors is essential to maintaining brain and vision health simultaneously.
The Difference Between Normal Vision Problems and Signs of Stroke
Not all vision problems are dangerous, but it's important to know the difference. Common vision problems often develop gradually, such as nearsightedness or eyestrain from gadget use.
In contrast, stroke-related visual disturbances appear suddenly, do not improve with rest, and are often accompanied by other symptoms such as weakness on one side of the body, facial drooping, or difficulty speaking.
When Should You See a Doctor Immediately?
Seek immediate medical attention if you experience sudden vision problems, especially if accompanied by other symptoms suggestive of a stroke. Prompt treatment is crucial to prevent further brain damage from a stroke.
How to Prevent Stroke and Maintain Healthy Vision
Prevention is the primary step in reducing the risk of stroke. Some ways to do this include:
- Regularly check your blood pressure
- Controlling blood sugar levels
- Maintain a healthy and balanced diet
- Exercise regularly
- Avoid smoking and alcohol
By adopting a healthy lifestyle, the risk of stroke can be reduced while maintaining optimal vision function.
Immediately undergo a medical examination with EMC Hospital
Sudden visual disturbances aren't always a major concern. In certain circumstances, they can be an early sign of a stroke. Therefore, it's important to recognize the symptoms and understand the risk factors. Don't ignore sudden visual disturbances.
Get checked immediately to receive appropriate and prompt treatment. Visit EMC Alam Sutera Hospital for in-person consultations with specialist doctors and comprehensive healthcare services.
Share this information with your family and loved ones so that more people are aware of the early signs of stroke.
Article written by Dr. Tri Wahyudi, Sp.N. FINS, FINA, FMIN (Neurology Specialist, EMC Alam Sutera Hospital).