Your Vision Problems: Is It Worsening Astigmatism or Eye Fatigue? - Ophthalmology

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It sounds like you're experiencing a combination of visual disturbances that could be attributed to either worsening astigmatism or eye fatigue. Let's break down your symptoms and explore the potential causes.

Firstly, the phenomenon of seeing halos or streaks of light around streetlights and traffic signals, especially at night, is often associated with refractive errors such as astigmatism. Astigmatism occurs when the cornea (the clear front surface of the eye) is irregularly shaped, causing blurred or distorted vision. This can lead to light being focused unevenly on the retina, resulting in the visual distortions you are experiencing. The fact that you notice these issues primarily at night suggests that your eyes may be struggling to focus properly in low-light conditions, which can exacerbate the effects of astigmatism.

Your description of having difficulty seeing clearly with your left eye at distances greater than 2 meters, while your right eye seems to perform better, raises the possibility that your left eye's astigmatism may have worsened. It’s also worth noting that the differences in your prescription (left eye having higher myopia and astigmatism compared to the right) could contribute to the varying clarity between your eyes.
On the other hand, eye fatigue is another significant factor to consider. If you've been spending long hours in front of screens or engaging in activities that require intense focus, your eyes may become fatigued. Symptoms of eye fatigue can include blurred vision, discomfort, and difficulty focusing, particularly after prolonged use. This fatigue can sometimes mimic or exacerbate the symptoms of refractive errors, making it challenging to determine whether the underlying issue is purely optical or related to fatigue.

To address your concerns, here are a few recommendations:
1. Re-evaluation of Prescription: Since you mentioned that you got new glasses four months ago, it might be beneficial to have your prescription re-evaluated. Changes in vision can occur, and an updated prescription may help alleviate some of the symptoms you're experiencing.

2. Regular Eye Exams: Regular visits to an eye care professional are crucial, especially if you notice changes in your vision. They can conduct comprehensive tests, including refraction tests and corneal topography, to assess the degree of astigmatism and any other potential issues.

3. Eye Care Practices: If fatigue is a contributing factor, consider implementing the 20-20-20 rule: every 20 minutes, take a 20-second break to look at something 20 feet away. This can help reduce eye strain. Additionally, ensure that your workspace is well-lit and that you are taking regular breaks from screens.

4. Hydration and Eye Drops: Sometimes, dry eyes can contribute to discomfort and visual disturbances. Using artificial tears can help keep your eyes lubricated, especially if you spend a lot of time in front of screens.

5. Lifestyle Adjustments: Ensure you are getting adequate sleep and managing stress, as both can impact eye health and visual clarity.

In conclusion, while your symptoms could indicate worsening astigmatism, they could also be a result of eye fatigue. A thorough examination by an eye care professional will help clarify the situation and guide you toward the appropriate treatment or corrective measures. Remember, maintaining good eye health is essential, and addressing any changes in your vision promptly can help prevent further complications.