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Why do glasses with the same prescription feel different?

Is the prescription for regular glasses the same as for sunglasses? Reading Why do glasses with the same prescription feel different? 4 minutes Next How do you market sunglasses online?

In the previous article, we discussed “Is the prescription for regular glasses the same as for sunglasses?”. In this article, let’s talk about “Why do glasses with the same prescription feel different?”.

Many people have this question. Why do I still feel dizzy with the same degree of new glasses recently? Wearing new glasses is originally clearer and more comfortable after wearing them, but there are real discomforts and uncomfortable feelings after wearing the new glasses, which is different from the old glasses. When testing the newly equipped glasses, the technical indicators also meet the requirements. What is going on?

The old glasses 'remodeled' your eyes.

Sometimes, all data on optometry and processing are accurate, and the spectacles equipped are in full compliance with the prescription for optometry, or the power of new spectacles is exactly the same as that of the old spectacles, but you will still be dizzy when wearing the new spectacles. This is because the old glasses 'remodeled' their eyes during long-term wear. For example, the old glasses used by some people have been severely deformed. The temples are no longer in the same plane, and the optical center area of the lens will deviate from the interpupillary distance measured by the glasses at that time. However, the wearer does not mention this situation, and the eyes gradually adapt to this kind of deviation. After putting on a new pair of glasses, you will not adapt to them.(https://www.koalaeye.com/collections/eyeglasses)

The clarity of the lens changes.

In addition to the case of the frame, the lens will be yellow or slightly scratched during use due to long-term absorption of ultraviolet rays, oily contact, dry rubbing by the user, etc., and the clarity of the lens will be affected. However, the clarity of newly equipped glasses tends to be higher, and the comparison between the two will cause discomfort. It is recommended that the new glasses can be used early the next morning. After a night's rest, the eyes will be easier to adapt to the new glasses. Under normal circumstances, new glasses generally require an adaptation period of about a week. After a few days of continuous wearing, the uncomfortable symptoms will disappear.

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The style of the frame has changed.

The structure of the new glasses and the old glasses (half-frame, rimless, full-frame) may be different, and the angle of the glasses may also be different, which will cause visual differences and the symptoms of dizziness after wearing the new glasses. If you used to wear rimless glasses or half-rim glasses before and switch to full-frame glasses, you will feel that his field of view is limited and you will feel a little uncomfortable when you see the edge of the frame. If you wear full-frame glasses before, you will feel the edge of the lens when you change to half-rim glasses. It's too bright to adapt. There is another situation, changing from a frame with a nose pad to a frame without nose pads. Because the distance between the lens and the eye has changed, the position of the nose pad has also changed, which directly affects the relative position of the optical center and the pupil, as well as the distance from the back vertex of the lens to the cornea, which naturally affects the visual difference. In this case, you can fine-tune the nose pads, or after a short-term adaptation, you can generally return to normal.

Normally, opticians do not want to change their original visual habits (to maintain visual continuity) and want to copy a pair of glasses with the same vision. When optometry, they must provide the used old glasses and their optometry record sheet for inspection. With personnel reference. Simply put, comfort is equal to habit. If you want new glasses to wear comfortably, you must keep your original habits. It's not just the reproduction of luminosity. If you don't wear suitable glasses often, you will feel uncomfortable once you wear them.

Thank you for your time in reading our passage “Why do glasses with the same prescription feel different?”. For more information about sunglasses and eyeglasses, please continue to follow KoalaEye Blog. Also, it is welcome to share and forward to Facebook and Twitter.

 

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