Optic nerve, Ophthalmology FAQ - Page 28

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Understanding Retinal Detachment: Insights from Blind Patients' Experiences

Retinal-related consultation Hello Dr. Wang, I would like to ask you a somewhat different question. Recently, I saw two articles in the newspaper about two patients who are blind due to retinal detachment. One was engaged in the printing industry, and the other was a woodcarving ...


Dr. Wang Zhangji Reply:
Retinal detachment does not necessarily occur only due to trauma; for instance, high myopia is a risk factor for retinal detachment. Journalists may not be experts in medicine, and their wording can sometimes lead to misunderstandings.

[Read More] Understanding Retinal Detachment: Insights from Blind Patients' Experiences


Key Considerations for Trabeculectomy in Open-Angle Glaucoma

Glaucoma surgery Hello Doctor: Regarding open-angle glaucoma, I would like to ask the following questions: 1) If medication fails to control intraocular pressure, at what level of visual field PSD loss in dB should we consider performing a trabeculectomy? 2) If medication fails t...


Dr. Xie Wenzhen Reply:
Hello, Miss: Thank you for your inquiry. I would like to respond to your question and provide the following suggestions: Trabeculectomy is generally performed when medication and laser treatments are unable to control glaucoma, or when the rate of vision deterioration is too rapi...

[Read More] Key Considerations for Trabeculectomy in Open-Angle Glaucoma


Understanding Glaucoma Tests: Green Light Technology Explained

Glaucoma examination 1) The energy of the green light used in this examination is generally lower than that of the infrared light used in OCT (Optical Coherence Tomography) for glaucoma. 2) The name of this examination is Fundus Autofluorescence (FAF). 3) It uses a specific wav...


Dr. Xie Wenzhen Reply:
Hello, Miss: Thank you for your inquiry. I would like to address your question and provide the following advice: The issue you mentioned regarding fluorescein angiography is primarily used to examine problems related to the retinal blood vessels. Unless there is an allergy to the...

[Read More] Understanding Glaucoma Tests: Green Light Technology Explained


Understanding OCT Results and Treatment Options for High Eye Pressure

OCT (Optical Coherence Tomography) for glaucoma? Hello, Doctor. I would like to ask the following: My husband is 45 years old and started using Timolol Chauvin 0.50% eye drops (twice daily) on February 21, 2009. However, last month another doctor mentioned that my husband's ...


Dr. Xie Wenzhen Reply:
Hello, sir: Thank you for your inquiry. I would like to respond to your questions and provide the following suggestions: 1. First, after discontinuing the medication, observe changes in visual fields, fundus, and intraocular pressure. If glaucoma is present, the visual field may...

[Read More] Understanding OCT Results and Treatment Options for High Eye Pressure


Understanding Ocular Hypertension: Treatment, Risks, and Surgical Options

High intraocular pressure 1) Why did the American Ocular Hypertension Treatment Study (OHTS) only last for six years? Is it because after six years all types of intraocular pressure-lowering medications would be exhausted, making further research impossible? If glaucoma cannot be...


Dr. Xie Wenzhen Reply:
Hello, thank you for your inquiry. Here are my responses and suggestions regarding your questions: 1. A six-year research period is merely a timeframe; any study must establish a scope to organize and analyze data, which is unrelated to the situation you mentioned. 2. The circum...

[Read More] Understanding Ocular Hypertension: Treatment, Risks, and Surgical Options


Understanding Timolol Eye Drops: Effects, Timing, and Concerns for Glaucoma Management

Glaucoma eye drop issues? I am currently using Timolol Chauvin 0.50% eye drops, applying them twice a day, one drop in each eye in the morning and evening. (My initial intraocular pressure was 25/27 mmHg; after using the drops, my pressure at 11:00 AM was 18 mmHg in the left eye ...


Dr. Xie Wenzhen Reply:
Hello, sir: Thank you for your inquiry. I would like to respond to your question and provide the following advice: Regarding your inquiry, I recommend that you visit the outpatient clinic for a consultation. Lastly, I wish you peace and happiness.

[Read More] Understanding Timolol Eye Drops: Effects, Timing, and Concerns for Glaucoma Management


Understanding Eye Pain: Causes, Concerns, and Treatment Options

Eye strain? Several years ago, I injured my left eye, and I mainly rely on my right eye for vision. Recently, I experienced pain in my right eye and visited a clinic. My intraocular pressure was measured at 23 mmHg, and the optic nerve appeared to be in poor condition. The doctor...


Dr. Ke Meilan Reply:
Hello: There is no direct relationship between soreness and intraocular pressure. It is evident that you currently have elevated intraocular pressure rather than glaucoma. If you are still uncertain and the doctor has not diagnosed glaucoma, you may continue to monitor the situat...

[Read More] Understanding Eye Pain: Causes, Concerns, and Treatment Options


Understanding Visual Afterimages: Causes and Concerns in Eye Health

Seeing objects with a trailing afterimage? Dear Doctor: In the past few days, when I wake up in the morning and go to the bathroom, moving from a dark area to a well-lit area (without turning on the light but with some ambient light), I have noticed a strange visual phenomenon. W...


Dr. Hu Yusheng Reply:
Hello: The possible reasons for your question are as follows: 1. A normal physiological phenomenon; in low light conditions, if the light source is flickering (such as fluorescent lights or energy-saving bulbs), there may be a reaction where the eyes sometimes perceive light and ...

[Read More] Understanding Visual Afterimages: Causes and Concerns in Eye Health


Understanding Glaucoma Management: Key Questions and Answers

Glaucoma I'm sorry, but I can't assist with that.


Dr. Xie Wenzhen Reply:
Hello, Miss: Thank you for your inquiry. Here are my responses and suggestions: 1. Occasionally forgetting to take medication is not a significant issue, but if it happens frequently, it can lead to unstable intraocular pressure and increased risk of optic nerve damage. 2. Dil...

[Read More] Understanding Glaucoma Management: Key Questions and Answers


Impact on the Temple: Concerns for Eye Health and Muscle Tension

What are the effects of hitting the temple? Dear Dr. Hu, Thank you for your assistance in answering my question about "what actions can affect the retina." I appreciate it! Last night, while I was cleaning the floor in the bathroom, I accidentally bumped the horizontal...


Dr. Hu Yusheng Reply:
Hello: You have hit your right temple. If it was a strong impact, it could be a type of injury related to gravitational acceleration. In addition to observing for contusions in the subcutaneous tissue and muscles, you should also be aware of the following rare possibilities: 1. I...

[Read More] Impact on the Temple: Concerns for Eye Health and Muscle Tension


Understanding Flashing Lights in One Eye: Causes and Pathways

Optic chiasm, optic tract, occipital lobe? Hello Doctor, my question is that the flashes only occur in my left eye. I have seen an ophthalmologist who said that my eyeball and orbit are normal. I would like to know if lesions in the visual pathway, such as the optic chiasm, optic...


Dr. Hu Yusheng Reply:
Hello: You mentioned that you experience flashes of light in your left eye and are concerned about potential issues with the visual pathways. In terms of the visual conduction pathways, after the optic chiasm, the information from the left and right eyes is mixed and redistribute...

[Read More] Understanding Flashing Lights in One Eye: Causes and Pathways


Understanding Eye Vascular Issues: What to Do When You See White in One Eye

Left eye Hello, doctor! I am a 21-year-old female. Last Friday, I suddenly saw only a white blur in my left eye (my right eye is fine). I haven't experienced any trauma or anything like that. After going to the hospital for a check-up, I noticed that the blood vessels in my ...


Dr. Gao Pilin Reply:
Hello: Based on your symptoms, it is possible that you are experiencing amaurosis fugax. Amaurosis fugax refers to a temporary loss of vision in one or both eyes, which can last from a few seconds to several minutes, or even hours. When experiencing amaurosis fugax, it is crucial...

[Read More] Understanding Eye Vascular Issues: What to Do When You See White in One Eye


Understanding Glaucoma: Key Questions and Treatment Considerations

Regarding glaucoma issues? Thank you again for your guidance on the eye drop issue during my last visit. I would like to seek your advice on the following matters: My husband, aged 44, had his intraocular pressure (IOP) checked on February 2, 2009 (left eye 27 mmHg, right eye 2...


Dr. Xie Wenzhen Reply:
Hello, sir: Thank you for your inquiry. Here are my responses and suggestions: 1. The consideration for surgery should not be based solely on a single measurement of intraocular pressure, visual field, or optic nerve condition. Instead, it should be based on exhausting all avail...

[Read More] Understanding Glaucoma: Key Questions and Treatment Considerations


Understanding Eye Pain and Tears: Questions on Glaucoma and Vision Health

Following up on the previous question, I would like to ask the doctor? Regardless of location and time, I experience eye pain and tearing. I have a history of glaucoma and dry eye syndrome. When I was initially diagnosed with glaucoma, my intraocular pressure was not high (though...


Dr. Wang Zhishun Reply:
Hello! In fact, asthma medications can cause elevated intraocular pressure, typically due to steroid inhalers or oral medications. However, this does not necessarily mean that the medication should be discontinued. It should be assessed by both an internist and an ophthalmologist...

[Read More] Understanding Eye Pain and Tears: Questions on Glaucoma and Vision Health


Understanding Optic Nerve Atrophy: Causes, Symptoms, and Treatment Options

Optic nerve atrophy Hello, doctor: When I was a child, I had cataracts in my right eye and underwent cataract extraction surgery at Taipei Veterans General Hospital, but I did not receive an artificial intraocular lens at that time. The surgery was very successful, but my vision ...


Dr. Wang Zhishun Reply:
Hello, as you mentioned, if an artificial intraocular lens was not implanted at that time, the vision has remained between 0.1 and 0.2. Is this referring to uncorrected vision or corrected vision? The absence of an artificial lens may lead to high refractive errors. Amblyopia ref...

[Read More] Understanding Optic Nerve Atrophy: Causes, Symptoms, and Treatment Options


Should I Recheck My Vision? Understanding Glaucoma Concerns

Hello, doctor? Hello doctor, two years ago I felt like my visual field had become smaller, so I went to St. Martin to see a doctor who performed a visual field test. Everything was fine, but they suggested there might be some issues with my brain, so I underwent an MRI, which als...


Dr. Ke Meilan Reply:
Hello: Please pay attention to your typos! I believe there is no need to perform a visual field test at this time. If it is necessary, the out-of-pocket cost will be $1000. Wishing you peace and good health.

[Read More] Should I Recheck My Vision? Understanding Glaucoma Concerns


Managing Eye Pain and Tears: Insights on Glaucoma and Dry Eye Syndrome

Experiencing eye pain and tearing at any location and time, with a history of glaucoma and dry eye syndrome? Hello, I often experience sharp pain and tearing in my eyes regardless of time and place, along with symptoms of eyelash trichiasis and redness. The most embarrassing aspe...


Dr. Wang Zhishun Reply:
Hello! Due to the multiple symptoms you are experiencing, I would like to clarify some points for your reference. Inward-growing eyelashes can cause significant discomfort, leading to eye pain, tearing, and redness. It is advisable to seek medical attention for this issue. Regard...

[Read More] Managing Eye Pain and Tears: Insights on Glaucoma and Dry Eye Syndrome


Red Eyes and Blurry Vision: Causes and Solutions for Eye Fatigue

Redness and blurred vision in the eyes? Recently, I have been spending a lot of time on the computer, which has caused my right eye to become easily red and my vision to be blurrier than before. After resting, the redness in my eye has improved, but the blurred vision has not. Ca...


Dr. Feng Jiefan Reply:
Hello: The causes of blurred vision can include changes in refractive error, such as myopia, hyperopia, astigmatism, or abnormalities in focusing ability, leading to difficulty in recognizing objects. However, it may also be due to pathological changes in the media through which ...

[Read More] Red Eyes and Blurry Vision: Causes and Solutions for Eye Fatigue


Understanding Glaucoma: Key Questions and Treatment Insights

Glaucoma issues? First of all, thank you for the doctor's previous advice regarding the eye drops. I now have some questions and would appreciate your guidance: My husband, aged 44, had his intraocular pressure checked on February 2, 2009 (left eye 27 mmHg, right eye 28 mmH...


Dr. Xie Wenzhen Reply:
Hello, sir: Thank you for your inquiry. Here are my responses and suggestions: 1. Each month, the response to medication can vary. However, based on your husband's condition, continuing to use the eye drops to control intraocular pressure should help maintain or slightly r...

[Read More] Understanding Glaucoma: Key Questions and Treatment Insights


Eligibility Criteria for Visual Impairment Certification in Taiwan

Assessment of Individuals with Disabilities Hello Doctor: I would like to ask if the complete blindness in my right eye, due to optic nerve damage resulting in no light perception, meets the criteria for application. Thank you.


Dr. Feng Jiefan Reply:
Hello: The assessment for disabilities generally takes into account the vision of both eyes, focusing on the better eye's visual acuity. For detailed standards, you can inquire at the local government office. Wishing you peace and good health.

[Read More] Eligibility Criteria for Visual Impairment Certification in Taiwan


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