Astigmatism, degree issue?
Hello, Doctor Gao.
My astigmatism in both eyes is different; one eye is 50 and the other is 125.
Do I need to get glasses?
Niming, 20~29 year old female. Ask Date: 2023/07/05
Dr. Gao Pilin reply Ophthalmology
Hello: The purpose of wearing glasses is to help correct vision problems, including astigmatism.
If you wear glasses, it can help balance the vision in both eyes and allow you to see objects more clearly, reducing visual fatigue and discomfort.
However, if you feel that you can see clearly without glasses, your daily life is not inconvenienced, and your eyes do not feel uncomfortable, then it is perfectly fine not to wear them.
It ultimately depends on your personal needs.
Reply Date: 2023/07/05
More Info
When it comes to astigmatism, the need for glasses largely depends on the degree of the condition and how it affects your vision. In your case, with one eye having an astigmatism of 50 degrees and the other at 125 degrees, it is important to consider a few factors before deciding whether or not to get glasses.
Astigmatism occurs when the cornea (the clear front surface of the eye) is irregularly shaped, causing blurred or distorted vision. The degree of astigmatism is measured in diopters, and your values indicate that you have mild to moderate astigmatism. Generally, a prescription is recommended when the astigmatism is significant enough to cause noticeable visual disturbances or discomfort.
1. Visual Symptoms: If you are experiencing symptoms such as blurred vision, eye strain, headaches, or difficulty seeing at night, it may be beneficial to get glasses. Even mild astigmatism can lead to visual discomfort, especially during prolonged activities like reading or using a computer.
2. Degree of Astigmatism: The difference in your astigmatism degrees (50 and 125) suggests that while one eye has a relatively low level of astigmatism, the other has a higher level. This discrepancy can lead to an imbalance in visual clarity between your two eyes, which may cause issues with depth perception and overall visual comfort.
3. Prescription Glasses: If you decide to get glasses, your optometrist will provide a prescription that includes the specific measurements for each eye, including the sphere (SPH), cylinder (CYL), and axis. The cylinder value indicates the degree of astigmatism, while the axis indicates the orientation of the astigmatism. In your case, the glasses would help correct the astigmatism in both eyes, allowing for clearer vision.
4. Contact Lenses: If you prefer not to wear glasses, toric contact lenses are available specifically designed to correct astigmatism. These lenses have different powers in different meridians of the lens, allowing them to accommodate the varying degrees of astigmatism in each eye.
5. Regular Eye Exams: It is essential to have regular eye exams, especially if you have astigmatism. Your eye care professional can monitor any changes in your vision and adjust your prescription as needed. They can also provide guidance on whether you should wear glasses or contact lenses based on your lifestyle and visual needs.
6. Adaptation: If you do choose to wear glasses, it may take some time to adapt to them, especially if you have not worn corrective lenses before. Initially, you may experience some distortion or discomfort, but this usually resolves as your eyes adjust.
In summary, while you may not necessarily need glasses for mild astigmatism, they can significantly improve your visual comfort and clarity, especially if you experience any symptoms. It is advisable to consult with your eye care professional to determine the best course of action based on your specific visual needs and lifestyle. Regular check-ups will ensure that your prescription remains accurate and that your eye health is maintained.
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