Do You Need New Glasses for Increased Myopia and Astigmatism?

Q: Do You Need New Glasses for Increased Myopia and Astigmatism?

Hello： Based on the changes in your prescription, your right eye's myopia has increased from -2.75 to -3.00, while your left eye has increased from -1.75 to -2.25. <br>The astigmatism in your right eye remains at -0.75, while the left eye has increased from -0.50 to -0.75. <br>Su

If there is an increase in prescription strength and astigmatism, is it necessary to get new glasses?

Hello Doctor: I would like to inquire about my current vision measurements.
My right eye is -3.00 diopters and my left eye is -2.25 diopters, with astigmatism of -0.75 in both eyes.
Recently, I have been experiencing eye fatigue, difficulty focusing while riding my bike, increased sensitivity to light, and noticeable halos around lights at night.
I find it hard to stay outside for long periods because my vision feels like it is flashing, which requires significant effort to keep my eyes open, often resulting in a lifeless appearance.
Last year, on August 6, 2022, my glasses prescription was -2.75 diopters for the right eye and -1.75 diopters for the left eye, with astigmatism of -0.75 in the right eye and -0.50 in the left eye.
The current prescription seems to differ from the previous one, and I am unsure if I need to get new glasses.
I also wonder if the discomfort I am experiencing could be related to the changes in my prescription.

Ms. Li, 20~29 year old female. Ask Date: 2023/06/13

Dr. Gao Pilin reply Ophthalmology

Hello: Based on the changes in your prescription, your right eye's myopia has increased from -2.75 to -3.00, while your left eye has increased from -1.75 to -2.25.
The astigmatism in your right eye remains at -0.75, while the left eye has increased from -0.50 to -0.75.
Such changes in prescription may lead to variations in vision and discomfort in the eyes.
The symptoms you described, including eye fatigue, difficulty focusing, photophobia, halos, and visual disturbances, are likely related to these changes in prescription.
The alterations may affect your focal distance and visual clarity, resulting in the aforementioned discomfort.
It is advisable to visit an ophthalmologist to determine if adjustments to your glasses prescription or other appropriate interventions are necessary.
Additionally, it would be prudent to check for other potential issues, such as dry eyes or corneal problems.

Reply Date: 2023/06/13

More Info

It sounds like you are experiencing a range of visual discomforts that may be related to changes in your vision, specifically myopia (nearsightedness) and astigmatism. Based on the information you've provided, it is indeed possible that your current glasses prescription is no longer adequate for your needs, especially given the increase in your myopia and the symptoms you are experiencing.

Understanding Your Symptoms
1. Increased Myopia and Astigmatism: Your recent eye examination shows that your myopia has increased (right eye from -2.75 to -3.00 and left eye from -1.75 to -2.25), and your astigmatism remains relatively stable but may still contribute to visual discomfort. Increased myopia can lead to difficulties in focusing, especially at distances, which may explain your feelings of fatigue and inability to focus while riding your bike.

2. Visual Disturbances: Symptoms such as photophobia (sensitivity to light), halos around lights at night, and a sensation of your eyes being "lifeless" can be associated with uncorrected refractive errors. These symptoms can also be exacerbated by prolonged screen time, which is common in today's digital age.
3. Eye Fatigue: The fatigue you are experiencing could be a result of your eyes working harder to compensate for the uncorrected vision. This is particularly true if your prescription has changed significantly since your last pair of glasses.

Recommendations
1. Get a New Prescription: Given the changes in your vision, it is advisable to get a new pair of glasses with an updated prescription. This will help alleviate the strain on your eyes and improve your overall visual comfort. Make sure to communicate all your symptoms to your eye care professional during your next visit.

2. Consider Anti-Reflective Coatings: If you are experiencing glare and halos, especially at night, consider glasses with anti-reflective coatings. These coatings can reduce glare from headlights and other bright lights, making night driving more comfortable.

3. Regular Eye Exams: It’s important to have regular eye exams, especially if you notice changes in your vision. This will help catch any significant changes early and allow for timely adjustments to your prescription.

4. Eye Care for Digital Strain: Since you mentioned that you spend a lot of time in front of screens, consider implementing the 20-20-20 rule: every 20 minutes, take a 20-second break and look at something 20 feet away. This can help reduce eye strain. Additionally, ensure that your workspace is well-lit to minimize glare on your screens.

5. Hydration and Eye Drops: If you experience dryness or discomfort, consider using artificial tears to keep your eyes lubricated, especially if you are in a dry environment or using screens for extended periods.

6. Lifestyle Adjustments: Ensure you are taking care of your overall eye health by maintaining a balanced diet rich in vitamins A, C, and E, omega-3 fatty acids, and antioxidants. Regular outdoor activities can also help reduce the progression of myopia in younger individuals.

Conclusion
In summary, it is likely that your current glasses prescription is no longer suitable for your vision needs, and getting a new prescription could significantly improve your symptoms. Make sure to discuss all your concerns with your eye care professional, who can provide tailored advice and treatment options based on your specific situation. Regular eye care and adjustments to your lifestyle can also play a crucial role in maintaining your eye health.

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