Vision Issues After Switching to New Glasses - Ophthalmology

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Eye problems


Hello, doctor.
I just got a new pair of glasses, but they don't seem very clear.
However, when I tilt the glasses, the vision becomes clearer.
I switched to blue light blocking lenses and opted for thinner lenses.
My myopia is approximately -6.00 in both eyes, and my night vision has worsened compared to before.
I have to hold my phone with small bold text closer to see it clearly.
Six months ago, when I visited the doctor, she mentioned that "something is slightly degenerating" (I forgot what it was).
Could you please explain my situation?

Niming, 10~19 year old female. Ask Date: 2018/04/11

Dr. Cai Wenyuan reply Ophthalmology


Hello, it's hard to say; it's best to get a medical examination.
Wishing you peace and health.
Sincerely, Dr.
Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan Hospital, Ministry of Health and Welfare.

Reply Date: 2018/04/11

More Info


It sounds like you're experiencing some significant challenges with your vision after switching to a new pair of glasses. This is not uncommon, especially when changing to different types of lenses or frames. Let's break down your situation and explore some potential reasons for the issues you're facing.

First, the fact that you find your vision clearer when tilting your glasses suggests that there may be an issue with the alignment or prescription of the lenses. When glasses are not properly aligned with your eyes, it can lead to distortion or blurriness. This is particularly true for high prescriptions like yours (around -6.00 diopters), where even slight misalignments can significantly affect clarity. It’s essential to ensure that the optical center of the lenses is aligned with your pupils. If the lenses are too thin or if the frame does not fit well, it can also lead to visual distortions.

You mentioned that you switched to anti-blue light lenses and opted for thinner lenses. While these features can be beneficial, they can also introduce complications. Anti-blue light coatings can sometimes cause a slight color distortion, which might affect how you perceive clarity. Additionally, thinner lenses can sometimes be more susceptible to distortion, especially if the prescription is high. If you continue to experience issues, it may be worth discussing with your optometrist the possibility of trying a different lens type or thickness.

Your mention of decreased night vision is also noteworthy. Night vision issues can be attributed to several factors, including the quality of the lenses, the presence of any coatings, and even the condition of your eyes. If your doctor mentioned some form of degeneration, it could refer to changes in the retina or lens, such as early cataracts or macular degeneration, which can affect your ability to see clearly in low light conditions. It’s crucial to follow up with your eye care professional to clarify what was meant by "something degenerating" and to ensure that any underlying conditions are monitored and managed appropriately.

Regarding the difficulty in reading small text on your phone, this could be related to several factors. As we age, our eyes naturally lose some of their ability to focus on close objects, a condition known as presbyopia. This condition typically starts to become noticeable in the early to mid-40s, but it can occur earlier in some individuals, especially if there are other underlying eye conditions. If your glasses are primarily designed for distance vision, you may need a separate pair for reading or consider multifocal lenses that can accommodate both distance and near vision.

In summary, your experience with your new glasses could be due to several factors, including lens alignment, the type of lenses used, and potential underlying eye conditions. It is essential to communicate these issues with your optometrist or ophthalmologist. They may recommend adjustments to your prescription, a different type of lens, or further examination to rule out any significant eye health concerns. Regular eye exams are crucial, especially when you notice changes in your vision, to ensure that your eyes remain healthy and that you have the best possible vision correction.

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