Visual field, Ophthalmology FAQ - Page 34

Share to:
Understanding Blue Light Flashes: A Guide for High Myopia Patients

At night, there are blue areas when viewing the lantern festival? Hello Doctor, I am highly myopic and also experience significant flashes. Last Saturday night while riding my bike, I suddenly noticed that when I looked up at the streetlights, there was a patch of blue light belo...


Dr. He Jianxian Reply:
Hello: I suggest that you consult with another physician for further advice. Wishing you good health.

[Read More] Understanding Blue Light Flashes: A Guide for High Myopia Patients


Facing the Fear of Blindness: A Young Professional's Eye Health Journey

Fear of blindness Hello, Doctor. I am highly myopic with astigmatism and work in the technology industry, where I spend long hours using a computer. I have been working for less than a year. In April, I was suspected of having glaucoma, and in June, I underwent visual field tests...


Dr. He Jianxian Reply:
Hello: I think you are worrying too much. I suggest you come to our outpatient clinic for an examination; the explanation will be clearer. Wishing you good health.

[Read More] Facing the Fear of Blindness: A Young Professional's Eye Health Journey


Understanding Irregular Peripheral Vision Movement and Optic Nerve Edema

Irregular movement in peripheral vision? It has been happening for about six months and is getting worse. Initially, only my right visual field was affected, with irregular movements up and down, left and right (the entire visual field). Now, both the right side and the lower par...


Dr. Wang Zhishun Reply:
Hello, optic nerve edema is just a symptom, and there are many potential causes. The symptoms may vary depending on the underlying cause. Some of these may lead to symptoms like the ones you described, so it would be advisable to follow up with an ophthalmologist for further eval...

[Read More] Understanding Irregular Peripheral Vision Movement and Optic Nerve Edema


Understanding the Link Between High Eye Pressure and Dizziness Symptoms

High intraocular pressure can cause feelings of dizziness? Hello Doctor, I have previously experienced high intraocular pressure. In June, I underwent visual field and optic nerve examinations, and the doctor said that there are currently no signs of glaucoma. However, this week,...


Dr. He Jianxian Reply:
Hello: At the age of 27, it is almost impossible to experience acute glaucoma that causes nausea, vomiting, or even headaches, unless there is a congenital abnormality in your eye structure. Therefore, considering the numerous episodes of discomfort you have experienced, and the ...

[Read More] Understanding the Link Between High Eye Pressure and Dizziness Symptoms


Understanding Eye Fatigue: Causes, Remedies, and Safety of Mydriatics

Eye fatigue Doctor, due to my work, I often feel that my eyes are very fatigued when I get home, and my eyelids frequently feel heavy. When I close my eyes, I feel a lot of strain. I currently force myself to go to sleep around 11 PM, but there hasn't been any improvement. I...


Dr. He Jianxian Reply:
Hello: Essentially, what you refer to as mydriatics should be cycloplegic agents, which theoretically can relax the eye muscles. However, you should not use long-acting types to avoid being unable to work. Wishing you good health.

[Read More] Understanding Eye Fatigue: Causes, Remedies, and Safety of Mydriatics


Understanding Glaucoma: Managing Fear and Eye Health

Fear of Glaucoma Hello, doctor. Last time I asked you about glaucoma issues, and last week I successfully went to Cathay General Hospital in Taipei for a visual field test. The doctor responded that both eyes are normal. The optical coherence tomography showed that the left eye&#...


Dr. He Jianxian Reply:
Hello: Your test results appear to be quite normal. A follow-up every six months is definitely sufficient, and there is no need for any supplements. Basically, you don't need to worry. Wishing you good health and peace.

[Read More] Understanding Glaucoma: Managing Fear and Eye Health


Understanding Optic Nerve Issues in High Myopia: A Patient's Dilemma

Optic nerve issues Hello Doctor, I am highly myopic and have previously experienced elevated intraocular pressure, but after a few days, it can drop below 20. For the next two months, my intraocular pressure remained normal (I have visited the clinic around 10 times to measure my...


Dr. He Jianxian Reply:
Hello: I recommend that you first visit a well-established hospital to undergo a comprehensive visual field test (standard type) to assess whether you have glaucoma or if there are other issues causing your visual field loss. This will help determine the next steps in your treatm...

[Read More] Understanding Optic Nerve Issues in High Myopia: A Patient's Dilemma


Understanding Optic Nerve Issues: Eye Pressure, Vision Loss, and Next Steps

Optic nerve issues? Hello, Doctor. I previously had an eye pressure spike up to 26, but after using eye drops (not for lowering eye pressure), it has been maintained between 15 and 19. Yesterday, I found a clinic that could perform a visual field test on-site (the doctor said it ...


Dr. He Jianxian Reply:
Hello: Essentially, your question contains too many uncertain assumptions. I recommend that you first seek a well-established hospital capable of conducting a comprehensive examination to confirm the diagnosis before considering subsequent treatment options. This would be a more ...

[Read More] Understanding Optic Nerve Issues: Eye Pressure, Vision Loss, and Next Steps


Can Long-Term Insomnia Cause Vision Changes After Laser Surgery?

Can long-term insomnia lead to vision complications after laser surgery? Dear Dr. Gao, I underwent femtosecond laser surgery for my myopia (both eyes at -6.85 diopters) on December 9, 2011. Prior to the surgery, I had mild presbyopia (+1.00 diopter). I did not follow the doctor&...


Dr. Gao Pilin Reply:
Hello: Laser surgery will not cause complications due to excessive insomnia. Regarding night blindness, please visit a larger hospital to have an electroretinogram to determine if there are any retinal disorders. Lack of sleep can lead to eye fatigue, which may exacerbate issues ...

[Read More] Can Long-Term Insomnia Cause Vision Changes After Laser Surgery?


Understanding Glaucoma: Beyond Eye Pressure and Long-Term Management

Concerns about glaucoma? Doctor, I would like to ask about glaucoma. Isn't it caused by chronically high intraocular pressure leading to optic nerve damage? However, I recently saw online that "in recent years, diagnosing glaucoma cannot rely solely on intraocular press...


Dr. He Jianxian Reply:
Hello: Normal-tension glaucoma, also known as low-tension glaucoma, is diagnosed based on the condition of visual field and optic nerve damage. Therefore, if your visual field test is normal, there is generally no need for excessive concern; however, regular follow-up is still ne...

[Read More] Understanding Glaucoma: Beyond Eye Pressure and Long-Term Management


Understanding Visual Disturbances: Common Eye Issues Explained

Visual problems Hello, doctor. I would like to ask you a few questions: 1. When I read text, if the two lines above and below are the same, I experience a brief sensation of blurriness for about a second, making it difficult to distinguish whether it is one line or two. This on...


Dr. Wang Zhishun Reply:
Hello, 1. In this situation, it is more common to experience dry eyes or eye fatigue. If symptoms improve with blinking or resting, they likely fall into this category. Additionally, strabismus could also be a possibility. 2. The symptoms of floaters can vary greatly; if ther...

[Read More] Understanding Visual Disturbances: Common Eye Issues Explained


Understanding Unexplained Visual Flashes: Eye Health Insights

There are unexplained flashes of light? The right side of my vision oscillates in a clockwise direction. I can feel a sense of relaxation in my eye even when it's closed, and when I close my eyes, a small area of transparent distortion appears in my right visual field. When ...


Dr. Wang Zhishun Reply:
Hello, the phenomenon of your right visual field oscillating in a clockwise direction is less likely to be a retinal issue. There is a greater possibility related to eye position or the nervous system. Additionally, the presence of a small area of transparent distortion in the ri...

[Read More] Understanding Unexplained Visual Flashes: Eye Health Insights


Understanding Severe Glare and Light Distortion in Myopia Patients

Increased glare sensitivity in the eyes? Hello Dr. Wang, I have approximately -1100 diopters of myopia in both eyes and experience slight flashes of light. I wear glasses, and recently, when looking at distant lights, I noticed that the light appears to scatter, somewhat like the...


Dr. Wang Zhishun Reply:
Hello: Regarding the situation mentioned, it does not seem to be a simple case of floaters. Issues related to refractive error and the structure of the eyeball could all be potential causes. It is advisable for you to undergo a further examination by an ophthalmologist.

[Read More] Understanding Severe Glare and Light Distortion in Myopia Patients


Understanding Fixed Black Spots in Vision: Causes and Concerns

Stationary black spot Hello, Doctor: I would like to ask you a question. Suddenly, there is a black spot in the upper part of my visual field, but if I do not move my eyes, its position remains at the top and does not drift left or right. Could this also be a vitreous floaters? I...


Dr. He Jianxian Reply:
Hello: The most common cause of your condition is still floaters. Of course, inflammation of the uvea or retina could also be a possibility. It is best for you to visit a nearby ophthalmologist for a thorough examination to obtain a definitive diagnosis. Wishing you good health.

[Read More] Understanding Fixed Black Spots in Vision: Causes and Concerns


Understanding Flashing Lights in Vision: Is It a Sign of Retinal Detachment?

Seeing flashes of light while sleeping? Dear Doctor, In the past couple of nights, shortly after turning off the lights and closing my eyes, I have experienced a brief flash (it seems to occur in both eyes simultaneously). This happens a few minutes after I close my eyes, and th...


Dr. Gao Pilin Reply:
Hello: Retinal detachment typically does not present as "flashes" anymore, but rather as visual field defects or large shadows. If it is due to vitreous degeneration pulling on the retina, then flashes may occur. This phenomenon you are experiencing seems to be related ...

[Read More] Understanding Flashing Lights in Vision: Is It a Sign of Retinal Detachment?


Understanding Temporary White Fog in Vision: When to Seek Further Eye Care

There is a brief appearance of white fog when turning the head? I have myopia in both eyes, with over 800 degrees. Recently, I noticed that when I turn my head, for example, when I look to the left and then turn back to face forward, I experience a brief white fog for less than a...


Dr. Gao Pilin Reply:
Hello: Based on your description, it seems to be caused by vitreous degeneration, which is known as floaters. Floaters can sometimes appear as black dots and other times as white haze, depending on the degree of vitreous degeneration. When the degenerated areas exceed the visual ...

[Read More] Understanding Temporary White Fog in Vision: When to Seek Further Eye Care


Understanding Temporary Vision Improvement Through Eye Massage Techniques

The principle of temporary vision restoration? I have approximately 100 degrees of myopia, with unaided vision in one eye around 0.5. Recently, I purchased an electric massager with an interchangeable massage head that is about the thickness of a finger, designed for focused poin...


Dr. Zhuang Yamin Reply:
Hello: Based on your description, this phenomenon seems to be more like a reaction caused by temporary pupil constriction. It is possible that the massage has led to a transient constriction of the pupils, and under the principle of the pinhole effect, you can see clearly even wi...

[Read More] Understanding Temporary Vision Improvement Through Eye Massage Techniques


Understanding Visual Field Loss After Retinal Laser Treatment

Visual field loss after retinal tear laser treatment? Hello doctor, on November 24th, my right eye was struck, and after seeking medical attention, it was found that there was bleeding and a retinal tear at the one o'clock position. I received laser treatment at National Tai...


Dr. Wang Zhangji Reply:
It is not possible to determine from the above symptoms whether the retina has re-ruptured. It is recommended that you undergo a dilated fundus examination nearby for safety.

[Read More] Understanding Visual Field Loss After Retinal Laser Treatment


Understanding Eye Check Concerns: Symptoms and Potential Issues

What are the issues related to eye examinations? Hello Doctor: Last month, during a fundus examination at the hospital, when I looked up to the right, I may have strained my eyes, and I saw several red lines (vessels) in my vision. After returning home, I noticed that the floater...


Dr. He Jianxian Reply:
Hello: If you have already undergone a dilated eye examination, there should not be any major issues. However, if you are still concerned, you can have another dilated eye exam. It is not possible to determine if there is a problem based solely on symptoms. Wishing you peace and ...

[Read More] Understanding Eye Check Concerns: Symptoms and Potential Issues


Can Eye Fatigue Increase Intraocular Pressure? Understanding the Connection

Intraocular pressure issues? Due to my work, I have been using the computer at close range for an extended period. Additionally, I have nasal allergies, and whenever I feel fatigued, my eyes become inflamed. In the past week or two, due to the eye inflammation, my doctor prescrib...


Dr. Wang Zhangji Reply:
Glaucoma is not diagnosed solely based on intraocular pressure. Some individuals may have inherently high eye pressure but do not necessarily have glaucoma. The optic nerve head is one of the examinations used in the diagnosis. For a more detailed assessment, additional tests suc...

[Read More] Can Eye Fatigue Increase Intraocular Pressure? Understanding the Connection


Previous|Page Next