Optic nerve, Ophthalmology FAQ - Page 24

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Understanding 4mmHg Difference in Intraocular Pressure: Implications for Glaucoma

A difference of 4 mmHg in intraocular pressure between the two eyes? Hello, Doctor Gao: I have known for several years that I am a patient with ocular hypertension. Recently, I went to the hospital to measure my intraocular pressure and found that the difference in intraocular pr...


Dr. Gao Pilin Reply:
Hello: A difference of 4 mmHg between the two eyes is acceptable as long as both are within the normal range. I'm not sure if there are any eye drops to lower intraocular pressure, as sometimes the use of medication can cause variations. Intraocular pressure is just one indi...

[Read More] Understanding 4mmHg Difference in Intraocular Pressure: Implications for Glaucoma


Understanding Eye Pain and Blurriness with Orthokeratology Lenses

Peripheral vision Hello, doctor. I have high myopia of over 700 degrees and have been wearing orthokeratology lenses. Recently, I noticed that when I look to the far left and far right, my eyes hurt, and when I look up and down, my vision becomes blurry. I visited an ophthalmolog...


Dr. Wang Zhishun Reply:
Hello, the situations you mentioned are all possible, and a clinical examination is necessary to make a diagnosis.

[Read More] Understanding Eye Pain and Blurriness with Orthokeratology Lenses


Managing High Myopia: Concerns and Solutions for Young Patients

High myopia Hello, Doctor. I am currently a high school freshman with over 800 degrees of myopia. I have a few questions: 1. Are there many people like me? 2. I suddenly experienced floaters, and after an examination, I was told there was no issue. Why did I suddenly develop flo...


Dr. Wang Zhishun Reply:
Hello, 1. In Taiwan, many people experience floaters. 2. Floaters are a result of vitreous degeneration, which may suddenly present symptoms, but they have actually been present for some time without being noticed in the visual axis. If the vitreous completely liquefies, they ...

[Read More] Managing High Myopia: Concerns and Solutions for Young Patients


Understanding Myopia Treatment: Concerns About Tropicamide and Eye Safety

I would like to inquire again about myopia treatment eye drops? I truly appreciate Dr. Wang for the detailed and prompt responses. Thank you so much. My child has had issues with allergies and asthma since a young age, along with congenital astigmatism that we have been monitorin...


Dr. Wang Zhishun Reply:
Hello, theoretically, short-acting tropicamide is safer than atropine; however, based on over 30 years of experience in Taiwan, both medications are actually very safe. National Taiwan University has published many related studies on the effects on the optic nerve and the dilatio...

[Read More] Understanding Myopia Treatment: Concerns About Tropicamide and Eye Safety


Managing Myopia in Children: Insights on Treatment and Concerns

Myopia treatment eye drops Hello Dr. Wang, I would like to ask you about my child's myopia issue. My child just started junior high school and has congenital astigmatism of 200 and 175 (sometimes it changes to 225) and myopia of 525. 1. If we continue to use tropicamide 0...


Dr. Wang Zhishun Reply:
Hello: 1. Daily use of tropicamide 0.5% can also have the effect of deepening the degree of myopia. 2. Generally, it can be used until the age of 18, and the doctor should monitor for any signs of glaucoma. 3. Suddenly stopping the medication may lead to a rebound effect; if the ...

[Read More] Managing Myopia in Children: Insights on Treatment and Concerns


Managing Suspected Glaucoma: When to Seek Further Eye Exams

Suspected glaucoma follow-up? Hello Doctor, I am the person who inquired about suspected glaucoma on October 23, 2015. I have been experiencing a tight sensation in my eyes and dizziness for quite some time, but it improves significantly when I look into the distance while outsid...


Dr. Wang Zhishun Reply:
Hello, based on your description, it seems you are experiencing symptoms of eye fatigue. I recommend taking appropriate breaks, reducing the use of electronic devices, and scheduling regular follow-ups. Intensive examinations should not be necessary.

[Read More] Managing Suspected Glaucoma: When to Seek Further Eye Exams


Understanding High Eye Pressure: What It Means for Your Vision and Next Steps

Elevated intraocular pressure..? Hello, doctor. Last week, I went to an ophthalmology clinic for an eye examination. My left eye had an intraocular pressure of 23 mmHg and my right eye had 22 mmHg. The doctor advised me to return for a follow-up in a week. Today, during the follo...


Dr. Gao Pilin Reply:
Hello, Zaiyu: In addition to elevated intraocular pressure, glaucoma also involves changes in the optic nerve and visual field. A poor optic nerve condition is indicated by an enlarged optic cup, and while the size of the optic cup is related to glaucoma, the relationship is not ...

[Read More] Understanding High Eye Pressure: What It Means for Your Vision and Next Steps


Understanding Visual Field Test Results: What Do the Numbers Mean?

Interpretation of visual field examination? Hello, doctor. Recently, I had a visual field test at the hospital and received two numbers: right eye 2.4/0.8 and left eye 0.8/0.4. The examining physician mentioned that this indicates very mild symptoms. I would like to ask what thes...


Dr. Wang Zhishun Reply:
Hello, I apologize for the confusion, as there are many types of visual field testing machines and data available. I am unable to identify which specific result you provided. There is indeed medical literature suggesting that ginkgo biloba may have effects in slowing the deterior...

[Read More] Understanding Visual Field Test Results: What Do the Numbers Mean?


Managing High Eye Pressure: Tips and Concerns for Eye Health

What should I do if my intraocular pressure is elevated? Hello, Doctor: I visited an ophthalmologist due to eye allergy issues, but after measuring my intraocular pressure, it was found to be elevated—22 mmHg in the left eye and 23 mmHg in the right eye. I was prescribed eye drop...


Dr. Gao Pilin Reply:
Hello, Yan: Glaucoma is characterized not only by elevated intraocular pressure but also by changes in the optic nerve and visual field. Therefore, if elevated intraocular pressure is measured, it should be monitored over time, as intraocular pressure can fluctuate. If it remains...

[Read More] Managing High Eye Pressure: Tips and Concerns for Eye Health


Understanding Light Sensitivity and Strained Optic Nerves: Causes and Solutions

Photophobia leading to optic nerve tension? I am currently experiencing photophobia, which has led to tension in my optic nerve. I perceive objects as glowing. A month and a half ago, I noticed flashes of light and the presence of floaters. What could be the cause? Where should I...


Dr. Wang Zhishun Reply:
Hello, you still need to see an ophthalmologist for intraocular pressure and retinal examination.

[Read More] Understanding Light Sensitivity and Strained Optic Nerves: Causes and Solutions


Understanding Pupil Dilation After Eye Injury: Causes and Concerns

After ocular trauma, the pupil dilates? Hello Dr. Wang, I was hit in the anterior chamber by a badminton shuttlecock, and I have some questions regarding the fogging of my lens and my glasses. Over the past two days, I noticed that the pupil of my injured eye is slightly larger t...


Dr. Wang Zhishun Reply:
Hello, traumatic mydriasis is irreversible. Whether auxiliary methods are needed to reduce the effects of pupil dilation depends on the specific situation, and this can only be determined by the physician treating you. As for post-traumatic glaucoma, the incidence is very low and...

[Read More] Understanding Pupil Dilation After Eye Injury: Causes and Concerns


Understanding Eye Pain: Is It Due to High Eye Pressure or Incorrect Prescription?

Is eye strain related to high intraocular pressure? Hello Doctor: I am currently experiencing frequent eye pain. I also have pain on both sides of my nose and suffer from migraines. I am unsure if this is caused by an insufficient prescription for my glasses. My current prescript...


Dr. Gao Pilin Reply:
Hello, Xiao-Jia: Most cases of eye soreness are caused by eye fatigue, so improving your eye habits is the most important step. If your intraocular pressure is normal, and the optic nerve examination and visual field tests are normal, there should be no need for glaucoma medicati...

[Read More] Understanding Eye Pain: Is It Due to High Eye Pressure or Incorrect Prescription?


Are Yellow and White Spots in Vision Linked to Autonomic Nervous Dysfunction?

The eyes may see yellow spots and white bright spots? Suspected autonomic nervous system dysfunction is associated with symptoms such as head numbness, headaches, dizziness, lightheadedness, a heavy feeling in the head, numbness in the hands and feet, and facial numbness. Recentl...


Dr. Gao Pilin Reply:
Hello Grace: The bright and yellow spots you see in your vision are likely not related to autonomic nervous system disorders. They may be associated with the vitreous body, retina, or optic nerve. I recommend that you visit an ophthalmologist for an examination. The ophthalmology...

[Read More] Are Yellow and White Spots in Vision Linked to Autonomic Nervous Dysfunction?


Understanding Glaucoma Risks in High Myopia Patients

Glaucoma issues? Hello Doctor: I have high myopia, with my prescription around -8.50 and -9.50 in each eye. A few weeks ago, I had a health check-up where my intraocular pressure was measured at 22 mmHg in the left eye and 14 mmHg in the right eye. I was informed that a pressure ...


Dr. He Jianxian Reply:
It is recommended that you undergo a visual field test, which can help determine if you have glaucoma. However, considering your age, the likelihood of having glaucoma is probably not very high!

[Read More] Understanding Glaucoma Risks in High Myopia Patients


Understanding Suspected Glaucoma: Key Questions and Recommendations

Suspected glaucoma Hello Doctor: Two days ago, I visited an ophthalmologist due to a stye. During the examination, my intraocular pressure was measured, and the doctor said that my right eye was within the normal range, while my left eye was also normal but slightly elevated. Add...


Dr. Wang Zhishun Reply:
Hello: The area you are referring to is likely the optic nerve head depression. It is more likely to be physiological, but it could also be pathological. Further visual field testing and OCT examination can help differentiate between the two. If there are any issues, treatment ma...

[Read More] Understanding Suspected Glaucoma: Key Questions and Recommendations


Understanding Temporary Vision Loss: Causes and Solutions

Black curtain in the eye? Hello, sometimes I feel like a black curtain drops down or like a flickering light when I don't blink for a while; it only lasts for a moment. What could be the issue? Sometimes when I wake up, I see a dark area in front of me that keeps flashing, a...


Dr. Gao Pilin Reply:
Hello: Based on your symptoms, it is possible that you are experiencing amaurosis fugax, which refers to a temporary loss of vision. If the vision loss lasts only a few seconds, it may be caused by optic nerve edema or other ocular conditions. However, if the blurriness persists ...

[Read More] Understanding Temporary Vision Loss: Causes and Solutions


Sudden Blackout in Vision: Causes and Concerns

Sudden onset of black curtain in vision? I would like to ask, I suddenly experienced a moment where, while looking at something, it felt like I didn't close my eyes, but suddenly a black curtain came down for less than a second, and then my eyes felt a bit uncomfortable. Wha...


Dr. Gao Pilin Reply:
Hello: Based on your symptoms, it is possible that you are experiencing amaurosis fugax, which refers to a temporary loss of vision. If this lasts only a few seconds, it may be caused by optic nerve edema or other ocular conditions. However, if the blurriness persists for a longe...

[Read More] Sudden Blackout in Vision: Causes and Concerns


Can Sleeping with a Fan Affect Your Optic Nerve Health?

Optic nerve degeneration issues? Hello! I recently had an OCT examination and there are signs of degeneration. I would like to ask the doctor, since I have a habit of sleeping with a fan blowing on my feet, and there are many nerves in the feet, could long-term exposure to the fa...


Dr. Gao Pilin Reply:
Hello, Xiao-Ji: In Western medicine, there is no such notion that blowing wind on the feet could cause optic nerve degeneration. As for whether Traditional Chinese Medicine holds this belief, I am not sure! In Taiwan, at Puzi Hospital's ophthalmology department: Monday to Fr...

[Read More] Can Sleeping with a Fan Affect Your Optic Nerve Health?


Understanding Optic Nerve Degeneration: Causes and Prevention Tips

Optic nerve degeneration issues? Hello Doctor: I had an OCT examination at the hospital, and in the I section, both of my eyes showed yellow, while the rest were green. I would like to ask you, 1. At my age, does this mean my eyesight is very poor? (Both eyes are -6.50 diopters) ...


Dr. Gao Pilin Reply:
Hello, Xiao Ji: It would be best to consult the physician who ordered the OCT examination for interpretation and clarification, as the report is necessary for understanding the situation. Issues related to the optic nerve also require visual field assessment to determine the seve...

[Read More] Understanding Optic Nerve Degeneration: Causes and Prevention Tips


Understanding Vision Loss: Key Questions About Eye Health

Vision deterioration Hello Dr. Wang, I would like to ask you the following questions: 1. If there is a decrease in "visual acuity," will the prescription from a computer vision test increase? 2. If there is optic nerve atrophy, can it be detected during a fundoscopic ...


Dr. Wang Zhishun Reply:
Hello: 1. A decrease in "visual acuity" requires investigation into the underlying cause; for example, issues with the macula or optic nerve do not affect refractive error. 2. If there is optic nerve atrophy, it can be detected through a fundus examination. 3. Sudden vi...

[Read More] Understanding Vision Loss: Key Questions About Eye Health


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