Eye Pain: Is It Related to Vision Discrepancy After Correction? - Ophthalmology

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Corrected vision: Left eye 1.2, Right eye 0.8?


Hello Doctor: Recently, I have been experiencing soreness and sharp pain in my right eye, and I am wondering if it is related to binocular disparity.
After correction, my left eye is 1.2 and my right eye is 0.8.
According to a test provided on a website, I found that I habitually use my left eye.
However, I also learned that it is not necessary for both eyes to have the same visual acuity for correction.
Additionally, could this issue be related to a part that has fallen off from the bent area of my right eyeglass frame? The optician has helped replace it with other parts.
Furthermore, I have been using a computer screen for extended periods recently, but I did not experience this kind of situation before! I kindly ask for your help in clarifying my doubts.
Is the sharp pain in my right eye related to the binocular disparity after correction?

123, 30~39 year old female. Ask Date: 2015/08/14

Dr. Chen Anping reply Ophthalmology


Hello, the stabbing pain in your right eye is likely not significantly related to the binocular disparity after correction.
It may also be associated with prolonged use of computer screens.
However, it is still recommended that you visit an ophthalmologist for a thorough examination to accurately determine the cause.
Thank you.

Reply Date: 2015/08/14

More Info


Understanding eye pain, particularly when it is localized to one eye, can be complex and multifaceted. In your case, the discomfort in your right eye, which you describe as a stinging or aching sensation, may indeed be influenced by several factors, including vision discrepancy after correction, the fit and condition of your eyewear, and prolonged screen time.

Firstly, regarding the vision discrepancy, it is important to note that having different visual acuities in each eye (1.2 in the left eye and 0.8 in the right eye) can lead to a condition known as anisometropia. This occurs when the two eyes have significantly different refractive power, which can cause discomfort or strain, particularly if the brain struggles to fuse the images from both eyes into a single, coherent image. This strain can manifest as pain or discomfort in the eye, especially if you are using your eyes for extended periods, such as when working on a computer.

Secondly, the condition of your eyeglasses is crucial. If the right side of your frame is bent or if there are any loose components, this could lead to improper alignment of the lenses relative to your eyes. Misalignment can exacerbate visual strain and discomfort, particularly if the lenses are not positioned correctly in front of your pupils. It is advisable to have your glasses checked by a professional to ensure they fit properly and that the lenses are correctly aligned.

Additionally, prolonged computer use can contribute to eye strain, often referred to as digital eye strain or computer vision syndrome. Symptoms can include discomfort, dryness, blurred vision, and headaches. The discomfort you are experiencing in your right eye could be exacerbated by extended screen time, especially if you are not taking regular breaks or if your workspace is not ergonomically set up. The 20-20-20 rule is a helpful guideline: every 20 minutes, look at something 20 feet away for at least 20 seconds to help reduce eye strain.

Moreover, if you have a habitual preference for using your left eye, this could also play a role in the discomfort you are experiencing. The brain tends to favor the dominant eye, which can lead to overuse of that eye and underuse of the other, potentially causing strain and discomfort in the less dominant eye.

In conclusion, while your right eye's pain may be related to the vision discrepancy after correction, it is also essential to consider the fit of your eyewear and the impact of prolonged screen time. I recommend scheduling an appointment with an eye care professional who can conduct a thorough examination, assess your glasses, and provide personalized advice. They may also suggest specific exercises or adjustments to your screen time habits to alleviate discomfort. Taking proactive steps to address these factors can significantly improve your eye comfort and overall visual health.

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