Managing Worsening Astigmatism: Causes, Concerns, and Solutions - Ophthalmology

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Astigmatism, or "散光" in Mandarin, is a common refractive error caused by an irregular shape of the cornea or lens in the eye. This irregularity prevents light from focusing properly on the retina, leading to blurred or distorted vision. Your concern about the worsening of your astigmatism from 200 to 600 over the years is valid and should be addressed with a healthcare professional.
Firstly, it's important to understand that astigmatism can progress for various reasons, including genetic predisposition, changes in the shape of the cornea, or other underlying eye conditions. While it is not common for astigmatism to worsen significantly over a short period, it can happen, and it is crucial to monitor these changes closely.

The fear of going blind due to astigmatism is largely unfounded. Astigmatism itself does not lead to blindness; however, if it is associated with other eye conditions, such as keratoconus or cataracts, those conditions may require attention. It is essential to have regular eye examinations to monitor your vision and the health of your eyes. An eye care professional can provide a comprehensive assessment and determine if there are any underlying issues contributing to the worsening of your astigmatism.

Here are some potential solutions and management strategies for worsening astigmatism:
1. Regular Eye Exams: Schedule regular visits with an optometrist or ophthalmologist. They can monitor your astigmatism and overall eye health, adjusting your prescription as needed.

2. Corrective Lenses: Glasses or contact lenses specifically designed to correct astigmatism can significantly improve your vision. Toric lenses are designed to address astigmatism and may be recommended by your eye care provider.

3. Refractive Surgery: If your astigmatism is severe and affecting your quality of life, you may want to discuss surgical options with your eye doctor. Procedures like LASIK or PRK can reshape the cornea to correct astigmatism. However, not everyone is a candidate for these surgeries, and a thorough evaluation is necessary.

4. Lifestyle Adjustments: If you spend a lot of time on screens or in environments that strain your eyes, consider taking regular breaks using the 20-20-20 rule: every 20 minutes, look at something 20 feet away for 20 seconds. This can help reduce eye strain.

5. Eye Health Maintenance: Maintain a healthy diet rich in vitamins and minerals that support eye health, such as leafy greens, fish high in omega-3 fatty acids, and fruits rich in antioxidants. Staying hydrated and protecting your eyes from UV light with sunglasses can also be beneficial.

6. Manage Underlying Conditions: If you have other health issues, such as diabetes or hypertension, managing these conditions can help prevent complications that may affect your vision.

7. Consult a Specialist: If your astigmatism continues to worsen, consider seeking a second opinion from a specialist in corneal diseases or a refractive surgeon. They can provide additional insights and treatment options.

In conclusion, while worsening astigmatism can be concerning, it is manageable with the right approach. Regular eye care, corrective lenses, and potential surgical options can help maintain your vision and quality of life. Remember, early intervention is key, so do not hesitate to reach out to an eye care professional for guidance and support.