Can I Mix Frames from Night Market with Professional Lenses?

Please ask your question?

Hello Dr.
Chen,
I have the following questions I would like to ask you, and I hope you can take some time to respond.
Thank you.
1.
My eyeglass frame is worn out, and the lenses have oxidized (there's a layer of white haze that won't come off).
I would like to get a new pair.
I am considering buying the frame at a night market (since it's cheaper) and getting the lenses from a professional optical store.
Is this feasible? Could there be any issues, such as the frame and lenses not fitting well together when I wear them?
2.
I want to utilize my time to study, so I plan to read on the bus or train.
Will this affect my eyesight?

Xiao Jie, 20~29 year old female. Ask Date: 2003/08/02

Dr. Chen Xuan reply Ophthalmology

1.
The size of the eyeglass frame is related to the pupillary distance; as long as the size is appropriate, there is no issue.
2.
It is advisable not to read on buses or trains, as the jarring environment can lead to eye fatigue and an increase in myopia.
Dr.
Chen Hsuan, Director of the Cornea Department.

Reply Date: 2003/08/02

More Info

When considering the combination of frames purchased from a night market with professional lenses, there are several factors to take into account.
1. Compatibility of Frames and Lenses: The primary concern when mixing frames from a night market with professional lenses is the compatibility of the two. Night market frames are often made from lower-quality materials and may not adhere to the same standards as those from professional optical shops. This can affect how well the lenses fit into the frames. If the frames are not designed to hold prescription lenses securely, it could lead to issues such as the lenses falling out or not being positioned correctly in front of your eyes, which can cause visual distortions or discomfort.

2. Quality of Materials: Professional optical shops typically use frames that are made from durable materials designed to withstand daily wear and tear. In contrast, night market frames may be made from cheaper plastics or metals that could break or warp more easily. This could lead to a shorter lifespan for your glasses and potentially impact your vision if the frames do not hold the lenses properly.

3. Lens Fitting: When you get lenses from a professional optical shop, they will take precise measurements of your eyes and the frame to ensure that the lenses are cut to the correct shape and size. If the frames from the night market do not fit well, it could lead to improper lens fitting, which can cause discomfort, headaches, or even vision problems.

4. Aesthetic and Comfort Considerations: The style and comfort of the frames are also important. Night market frames may not offer the same level of comfort or aesthetic appeal as those from a professional shop. If you plan to wear these glasses for extended periods, comfort should be a priority.

5. Impact on Vision: Regarding your second question about reading on public transport, it is generally safe to read while on a bus or train, provided that you maintain a proper distance from the text. However, if you are using glasses that do not fit well or are of poor quality, it could lead to eye strain or discomfort. It is essential to ensure that your prescription is accurate and that your lenses are of good quality to avoid any negative impact on your vision.

6. Eye Health: Prolonged reading, especially in moving vehicles, can lead to eye fatigue. To mitigate this, ensure that you take regular breaks, follow the 20-20-20 rule (every 20 minutes, look at something 20 feet away for 20 seconds), and maintain good lighting conditions while reading.

In summary, while it is technically possible to mix frames from a night market with professional lenses, it is not advisable due to potential issues with fit, quality, and comfort. If you prioritize your vision and eye health, it is best to invest in a complete pair of glasses from a reputable optical shop. This will ensure that both the frames and lenses are compatible and of high quality, ultimately providing you with the best visual experience.

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