Astigmatism: Is Increasing Severity a Cause for Concern? - Ophthalmology

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Astigmatism is a common refractive error in the eye, caused by an irregular shape of the cornea or lens, leading to blurred or distorted vision. It can occur alongside myopia (nearsightedness) or hyperopia (farsightedness). Your situation, where you have experienced a decrease in myopia while simultaneously noticing an increase in astigmatism, raises some important considerations.

Firstly, it is essential to understand that changes in refractive error, including astigmatism, are not uncommon. Many individuals experience fluctuations in their vision over time due to various factors, including age, changes in eye shape, or even environmental influences. The fact that your myopia has decreased while your astigmatism has increased does not necessarily indicate a serious problem, but it does warrant attention.

The increase in astigmatism could be attributed to several factors. One possibility is that the cornea's shape is changing, which can happen due to conditions like keratoconus or other corneal irregularities. Another factor could be related to the way your eyes are used; for instance, prolonged screen time or improper visual habits can contribute to changes in refractive errors. Additionally, hormonal changes, especially during adolescence or early adulthood, can also affect vision.

Regarding the concern expressed by the optical store staff, it is important to note that while they may have been alarmed, the increase in astigmatism itself is not inherently dangerous. However, it is crucial to monitor your vision and have regular eye examinations. An eye care professional can assess the degree of astigmatism and determine if it is stable or progressing. They can also evaluate the overall health of your eyes to rule out any underlying conditions that may require treatment.

If you are experiencing symptoms such as blurred vision, eye strain, or discomfort, it is advisable to consult with an eye care specialist. They may recommend corrective lenses, such as glasses or contact lenses, specifically designed to address astigmatism. In some cases, refractive surgery options, like LASIK, may be considered if you are a suitable candidate.

In summary, while an increase in astigmatism can be concerning, it is not necessarily a cause for alarm. Regular eye examinations and consultations with an eye care professional will provide you with the best guidance on managing your vision changes. It is essential to maintain good eye health practices, such as taking breaks during prolonged screen time, ensuring proper lighting when reading, and wearing appropriate corrective lenses as needed. By staying proactive about your eye health, you can effectively manage your astigmatism and maintain optimal vision.