Eyeglass issues?
Hello, doctor.
I am an adult whose work involves prolonged near-vision tasks.
An optometrist has suggested wearing glasses with a prescription reduced by 50 degrees for each eye to alleviate fatigue.
If I wear these glasses with the reduced prescription for daily activities (including work), will long-term use lead to a deterioration of my vision? Thank you.
Kimi, 30~39 year old female. Ask Date: 2020/06/02
Dr. Gao Pilin reply Ophthalmology
Hello Kimi: Reducing the prescription by 0.50 diopters can help alleviate eye strain when looking at nearby objects.
Viewing distant objects may appear slightly blurry, but it should not have a significant impact.
However, it is important to avoid squinting to see better, as this can worsen astigmatism.
At the E-Hospital in Puzi, Taiwan, the ophthalmology department is open on Monday, Tuesday, Thursday, and Friday from 8:00 AM to 12:00 PM, and on Wednesday from 2:00 PM to 4:30 PM.
Please note that online responses are for reference only; it is essential to seek medical care at a healthcare facility if necessary.
I hope to have the opportunity to assist you.
Gao Pi-Lin
Reply Date: 2020/06/02
More Info
Wearing reduced prescription glasses, such as those with a -50 degree reduction for each eye, can be a practical solution for alleviating eye strain, especially for individuals who spend long hours focusing on near tasks, such as working on computers or reading. However, there are several considerations to keep in mind regarding the long-term effects of wearing such glasses.
First, it is important to understand that the primary purpose of reducing the prescription is to provide comfort during near work. By decreasing the strength of the lenses, the glasses can help reduce the effort your eyes need to exert to focus on close objects. This can be particularly beneficial for individuals who experience fatigue or discomfort from prolonged near vision tasks. However, while this approach can provide temporary relief, it does not address the underlying issue of myopia (nearsightedness) progression.
One concern with wearing reduced prescription glasses continuously is that it may lead to a reliance on these lenses, potentially causing your eyes to adapt to the lower prescription. If your eyes become accustomed to the reduced strength, it may make it more challenging to adjust back to your full prescription when needed. This could lead to a situation where your vision feels less clear when not wearing the reduced glasses, which might create a cycle of dependency.
Moreover, if you find yourself squinting or straining to see clearly while wearing the reduced glasses, this could exacerbate existing vision problems, such as astigmatism, and potentially lead to further deterioration of your eyesight over time. Squinting can cause the eye muscles to work harder, leading to fatigue and discomfort, which is counterproductive to the goal of reducing eye strain.
In terms of long-term vision health, it is crucial to maintain regular eye examinations with an eye care professional. These check-ups can help monitor any changes in your vision and ensure that your prescription is appropriate for your needs. If you notice any significant changes in your vision or experience discomfort while wearing the reduced glasses, it is advisable to consult with your optometrist or ophthalmologist for further evaluation.
Additionally, incorporating good eye care practices can help mitigate the risk of vision deterioration. This includes taking regular breaks during prolonged near work (the 20-20-20 rule: every 20 minutes, look at something 20 feet away for at least 20 seconds), ensuring proper lighting while working, and maintaining a healthy lifestyle that includes a balanced diet rich in vitamins and minerals beneficial for eye health.
In conclusion, while wearing reduced prescription glasses can provide temporary relief from eye strain, it is essential to approach this solution with caution. Regular eye examinations, good eye care practices, and being mindful of how your eyes respond to the reduced prescription will help maintain your vision health in the long term. If you have ongoing concerns about your vision or the effects of wearing reduced glasses, discussing these with your eye care professional is the best course of action.
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