Eye Pressure and Choosing the Right Glasses

Eyes and glasses?

Hello Dr.
Lin, I have a few questions to ask you.

1.
I often feel a swelling sensation in my eyeballs right after I close my eyes to sleep, as if they are about to pop out.
Could this be a sign of high intraocular pressure? If so, how should I address this issue?
2.
Sometimes, my eyes feel strained when looking at things, and when I relax my eyeballs, my vision becomes blurry (similar to myopia).
This makes it very tiring to see things under such conditions.
What does this indicate, and how should I handle it?
3.
Do plano glasses have a slight prescription? Every time I try on plano glasses, I notice some optical distortion, similar to myopia glasses, but not as pronounced.
If I wear plano glasses frequently, will my eyesight gradually worsen? What should I pay attention to when purchasing plano glasses to avoid straining my eyes?
Thank you for your help!

Clouder, 20~29 year old female. Ask Date: 2004/08/17

Dr. Lin Zhengyi reply Ophthalmology

1.
Symptoms of glaucoma include eye pain, redness, blurred vision with halos, unilateral headache, nausea, and vomiting.
Additionally, some patients with early-stage glaucoma may be asymptomatic.
However, eye pain does not necessarily indicate glaucoma, so it is advisable to have an examination by an ophthalmologist.

2.
If you have to strain to see clearly, it is mostly due to myopia, but it could also be related to other refractive issues such as hyperopia or astigmatism.
An examination by an ophthalmologist is necessary to determine whether corrective lenses are needed.

3.
Plano glasses have no prescription and do not assist in vision correction.

Reply Date: 2004/08/17

More Info

Hello! Thank you for your questions regarding eye pressure and the selection of the right glasses. Let's address each of your concerns in detail.

1. Feeling of Eye Bulging Upon Closing Eyes: The sensation of your eyes feeling swollen or bulging, especially when you first close them, can be concerning. This feeling may be associated with elevated intraocular pressure (IOP), which can be a symptom of conditions like glaucoma. However, it is not definitive proof of high eye pressure. Other factors, such as fatigue, stress, or even allergies, can contribute to this sensation. If you frequently experience this feeling, it is crucial to consult an eye care professional for a comprehensive eye examination. They can measure your eye pressure accurately and assess the health of your optic nerve, which is vital in diagnosing conditions like glaucoma. If high IOP is confirmed, treatment options may include prescription eye drops or other interventions to manage the pressure.

2. Eye Strain and Blurriness: The experience of your vision becoming blurry when you relax your eyes suggests that you may be dealing with a refractive error, such as myopia (nearsightedness) or possibly hyperopia (farsightedness). When your eyes are strained, they may be compensating for an underlying vision issue. This can lead to discomfort and fatigue, especially during prolonged tasks like reading or using screens. To address this, it is advisable to have a comprehensive eye exam, including a refraction test, to determine your exact prescription needs. If a refractive error is diagnosed, corrective lenses (glasses or contact lenses) can significantly alleviate the strain and improve your visual clarity.

3. Understanding Plano Glasses: Plano glasses are designed without any corrective power; they are essentially non-prescription lenses. However, some plano glasses may have slight imperfections or distortions, which can lead to visual discomfort or "aberrations" (like the "景差" you mentioned). If you notice that wearing plano glasses causes discomfort or makes your vision feel worse, it may be due to the quality of the lenses or their fit. It is a common misconception that wearing plano glasses will worsen your vision; they do not have the power to change your eye's refractive state. However, if you have an uncorrected refractive error, relying solely on plano glasses may not be beneficial. When choosing plano glasses, ensure they are made from high-quality materials, and consider lenses with anti-reflective coatings to reduce glare and improve visual comfort.

In summary, if you are experiencing symptoms like eye bulging, strain, or discomfort, it is essential to seek professional advice from an eye care provider. They can provide tailored recommendations based on your specific needs and ensure that your vision is as clear and comfortable as possible. Regular eye exams are crucial for maintaining eye health, especially if you have concerns about eye pressure or visual clarity. Thank you for your questions, and I hope this information helps you make informed decisions about your eye care!

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