Blurry Vision and Headaches: Causes and Solutions

Sudden blurred vision followed by a return to normal, accompanied by eye strain, headache, and nausea that can lead to vomiting?

Hello doctor, I often suddenly experience blurred vision, as if I've been flashed by a camera, and I feel a bit dizzy, but I have no issues walking or with my limbs.
This sensation lasts for about an hour, and as my vision gradually returns to normal, my eyes feel very strained, and I start to get a headache.
The pain is so severe that it makes me vomit, and it takes several hours to return to normal.
This situation occurs approximately once every three months, starting from junior high school until now in my senior year.
Each time, it begins with blurred vision followed by a headache, creating an endless cycle.
I have astigmatism of 300 to 400 degrees and also suffer from severe nasal allergies.
I'm not sure if this situation is related to my nasal allergies or my significant astigmatism.
I once visited an ophthalmologist and explained my condition, but they referred me to an ENT specialist.
However, the ENT doctor suggested that my nasal allergies and frequent nose blowing might be causing my dizziness.
Yet, there are times when I don't have a runny nose, and I still experience these symptoms.
Additionally, this situation does not occur daily; I usually treat it as a common cold when I visit the ENT, but after a while, it recurs.
I'm really unsure about what to do.

Gao San Zhi Kao Sheng, 10~19 year old female. Ask Date: 2016/04/23

Dr. Wang Zhishun reply Ophthalmology

Hello, your condition is quite special.
It is recommended to first visit an ophthalmologist for an examination.
If there are no issues, then you can consult a neurologist.
If there is a possibility of sinusitis, you may also need to seek treatment from an otolaryngologist.

Reply Date: 2016/04/23

More Info

Understanding the relationship between blurry vision and headaches is crucial, especially when these symptoms occur frequently and disrupt daily life. Based on your description, it seems you are experiencing a pattern of visual disturbances followed by severe headaches, which can be quite debilitating. This cycle of symptoms can be indicative of several underlying conditions, and it’s essential to explore these possibilities to find effective solutions.

First, the phenomenon of experiencing blurry vision or visual disturbances, often described as "seeing flashes" or "seeing spots," can be associated with migraine aura. Migraine auras are sensory disturbances that can occur before or during a migraine headache. They can manifest as visual changes, such as flashes of light, zigzag patterns, or temporary loss of vision. These visual symptoms can last from a few minutes to an hour, followed by a headache that can be severe and accompanied by nausea or vomiting. Given that you mentioned your headaches are intense enough to cause vomiting, this could align with migraine episodes.

Your history of astigmatism (300-400 degrees) and severe nasal allergies could also contribute to your symptoms. Astigmatism can cause visual discomfort and strain, especially if you are not wearing corrective lenses. This strain can lead to headaches, particularly if you are using screens for extended periods. Additionally, nasal allergies can lead to sinus pressure and congestion, which may also trigger headaches. Sinus headaches often present with facial pain, pressure, and can be exacerbated by changes in position or weather.

It is also worth considering the possibility of tension-type headaches, which can occur due to stress, poor posture, or eye strain. If you are spending long hours in front of a computer, it’s essential to take regular breaks and ensure your workspace is ergonomically set up to reduce strain on your eyes and neck.

Given the complexity of your symptoms, it would be beneficial to take a multi-faceted approach to diagnosis and treatment. Here are some steps you can consider:
1. Comprehensive Eye Examination: Since you have a history of astigmatism, ensure that your prescription is up to date. An eye care professional can also evaluate for any other potential issues, such as retinal problems or other ocular conditions that could be contributing to your symptoms.

2. Neurological Evaluation: Since your symptoms include severe headaches and visual disturbances, a consultation with a neurologist may be warranted. They can perform a thorough evaluation, including imaging studies if necessary, to rule out any serious neurological conditions.

3. Allergy Management: If nasal allergies are a significant issue, consider seeing an allergist. They can help identify specific allergens and suggest treatments, such as antihistamines or nasal corticosteroids, to manage your symptoms better.

4. Lifestyle Modifications: Implementing lifestyle changes can also be beneficial. Ensure you are staying hydrated, managing stress through relaxation techniques, and taking regular breaks from screens. Additionally, maintaining good posture while working can help reduce tension in your neck and shoulders.

5. Medication: If migraines are diagnosed, your doctor may prescribe medications to help prevent migraines or treat them when they occur. Over-the-counter pain relievers may also be effective for tension-type headaches.

6. Monitoring Symptoms: Keeping a headache diary can help track the frequency, duration, and triggers of your headaches and visual disturbances. This information can be invaluable for your healthcare provider in determining the best course of action.

In conclusion, your symptoms of blurry vision followed by severe headaches warrant a thorough investigation to identify the underlying causes. By collaborating with healthcare professionals, including eye specialists, neurologists, and allergists, you can develop a comprehensive management plan tailored to your needs. Remember, effective communication with your healthcare providers about your symptoms and their impact on your daily life is key to finding relief.

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