Understanding Dark Vision: Possible Causes and Concerns for Myopia Patients
Experiencing dimness in vision? Dear Dr. Wang, I am a patient with high myopia, with both eyes exceeding -1000 diopters. Recently, whether at home or at work, I have been experiencing the following sensations: 1. Insufficient lighting; it feels very dark when I look out (thoug...
Dr. Wang Zhishun Reply:
Hello: If you have already undergone an eye examination and no issues were found, then other possibilities could include eye strain, presbyopia, or conditions similar to dry eye syndrome. As for optic nerve atrophy, it is a result of various optic nerve disorders, and symptoms sh...[Read More] Understanding Dark Vision: Possible Causes and Concerns for Myopia Patients
Managing Anxiety in High Myopia and Glaucoma Concerns
Anxiety related to glaucoma? Hello Doctor, I am highly myopic with a prescription of -8.50 to -9.50 and a corneal thickness of 500 microns. Two years ago, my intraocular pressure (IOP) rose to 26, which caused me a lot of anxiety. I immediately went to a large hospital for visual...
Dr. He Jianxian Reply:
If you have already consulted numerous ophthalmologists and undergone various examinations, there is no need to worry too much. In Taiwan's healthcare system, doctors generally tend to initiate early treatment if they suspect any issues. Early treatment for glaucoma is quite...[Read More] Managing Anxiety in High Myopia and Glaucoma Concerns
Understanding Normal-Tension Glaucoma: Diagnosis, Treatment, and Lifestyle Impact
Diagnosis and management of glaucoma? Hello Doctor: I have over 700 degrees of myopia in my left eye and 600 degrees in my right eye. Recently, I noticed that the left third of my left eye's visual field is quite blurry, so I went for an eye examination. After undergoing OCT...
Dr. Gao Pilin Reply:
Dear Mr. Tsai: 1. Some types of glaucoma can occur with normal or even low intraocular pressure; your examinations should be sufficient. 2. A gonioscopy is necessary. You may inquire with the attending physician. 3. This refers to gonioscopy. Generally, glaucoma evaluations will...[Read More] Understanding Normal-Tension Glaucoma: Diagnosis, Treatment, and Lifestyle Impact
Protecting Remaining Optic Nerve: Strategies for Vision Preservation
Protection of the remaining optic nerve? Q: How can I preserve the remaining optic nerve? Hello, Dr. Gao. I know that some people have already asked questions regarding the optic nerve. Since treatment has been ineffective, I have been encouraged by your detailed and compassionat...
Dr. Gao Pilin Reply:
Dear Mr. Gao, I regret to inform you that there is currently no method to completely halt the degeneration of the optic nerve. However, research indicates that the glaucoma medication, Aifumu (also known as Latanoprost), has protective effects on the optic nerve. If you wish to ...[Read More] Protecting Remaining Optic Nerve: Strategies for Vision Preservation
Understanding Glaucoma: Key Questions and Insights for Patients
Suspected glaucoma issue? Hello, Doctor He. I previously inquired about the possibility of glaucoma. In your response, you mentioned that the optic nerve cup generally does not enlarge unless there is a condition of "persistent damage to the optic nerve or retina." I am...
Dr. He Jianxian Reply:
The term "the optic nerve head does not enlarge" refers to the absence of a continuous increase in size. If there is a persistent enlargement, it indicates that the optic nerve cells are experiencing damage during that period of enlargement. Essentially, controlling int...[Read More] Understanding Glaucoma: Key Questions and Insights for Patients
Understanding Floaters: Common Questions and Concerns in Eye Health
Questions related to floaters? I apologize for the lengthy content, but I would appreciate your help, doctor! Initially, I felt some swelling in my right eye for a while (which was not visible externally). I visited a clinic, and the doctor said there was nothing serious and pres...
Dr. He Jianxian Reply:
Floaters generally do not cause a sensation of eye swelling, and most ophthalmologists should be capable of performing an examination for floaters. If a dilated eye exam has been conducted and both the retina and optic nerve are normal, there is usually no need for concern.[Read More] Understanding Floaters: Common Questions and Concerns in Eye Health
Understanding Suspected Glaucoma: What You Need to Know
Suspected glaucoma? Hello, Doctor He. About a year ago, I went to a medical center for an examination, and the doctor mentioned that the optic nerve cupping in my left eye was larger than normal. Subsequently, some glaucoma tests were arranged, and the doctor said that overall, i...
Dr. He Jianxian Reply:
Basically, the optic nerve head does not enlarge unless there is ongoing damage to the optic nerve or retina. Based on your description, your condition should only require regular follow-up examinations.[Read More] Understanding Suspected Glaucoma: What You Need to Know
Understanding Treatment Options for Retinal Vascular Occlusion
Treatment of retinal vascular occlusion? Hello, Dr. He. My mother lost vision in her left eye 15 years ago due to optic nerve atrophy caused by a vascular occlusion that was not treated in time. The cause of the vascular occlusion is related to her blood viscosity, and she has be...
Dr. He Jianxian Reply:
Currently, there is no ideal treatment for retinal vascular occlusion, whether it is arterial or venous. The delay in seeking treatment often exceeds the critical time frame for effective intervention, making thrombolytic therapy, similar to that used for strokes, uncommon. Altho...[Read More] Understanding Treatment Options for Retinal Vascular Occlusion
Enlarged Optic Nerve: Understanding Risks and Monitoring for Eye Health
Optic nerve enlargement? Hello, doctor. Last year, I had an examination at a large hospital, and the doctor mentioned that my left optic nerve appeared larger. Subsequently, some tests were arranged. After the tests, the doctor said that overall, it looked okay, and I only needed...
Dr. Wang Yuwei Reply:
We apologize, but Dr. Wang from our hospital has been transferred and promoted to the position of Director at Xinying Hospital.[Read More] Enlarged Optic Nerve: Understanding Risks and Monitoring for Eye Health
Temporary Increases in Eye Pressure: What You Need to Know
Transient intraocular pressure elevation 1: Inverting a person can increase intraocular pressure by more than 30 mmHg. This transient increase in eye pressure may not have significant adverse effects on normal individuals. 2. Dr. Da-Wen Lu, the head of the general ophthalmology d...
Dr. Gao Pilin Reply:
Hello, Jun: A temporary increase in intraocular pressure should not harm the optic nerve in normal individuals, and you are correct. When sleeping face down, you can avoid putting pressure on your eyes by resting your forehead on your hands, which will prevent these issues. Press...[Read More] Temporary Increases in Eye Pressure: What You Need to Know
Managing Blindness from Glaucoma: Key Questions Answered
Management after blindness due to glaucoma? Hello, Doctor. I have been suffering from glaucoma in one eye for five to six years, and that eye has completely lost its vision. I have a few questions I would like to ask for clarification. 1. Should I continue using eye drops to lo...
Dr. Zhuang Yamin Reply:
1. It won't hurt. If there is no light perception at all, there is no need to perform the test. If there is still light perception, then the test should be conducted. 2. Yes, but it will still be a long process. 3. No, it won't. 4. It depends on the type of glauco...[Read More] Managing Blindness from Glaucoma: Key Questions Answered
Understanding Optic Nerve Cupping: Is It a Sign of Glaucoma?
Optic nerve cupping Glaucoma Hello, doctor... I had my military service physical examination today, and during the eye exam, it was noted that my optic nerve cupping is greater than 80% (there is no family history of glaucoma). However, I had been on the computer all day before t...
Dr. He Jianxian Reply:
The size of the optic nerve cup is related to glaucoma, but the relationship is not absolute; however, 80% of the optic nerve cups are indeed enlarged. It is recommended that you visit an ophthalmologist for intraocular pressure and visual field tests to determine if glaucoma is ...[Read More] Understanding Optic Nerve Cupping: Is It a Sign of Glaucoma?
Understanding Eye Strain: Can Muscle Tension Affect Eye Shape and Vision?
Troubled for a long time? Doctor, I have been troubled by many questions for a long time, and I would appreciate your help in answering them. Thank you. 1. I previously asked other doctors whether the strength of the eye muscles (such as forcefully closing the eyes, tensing the ...
Dr. Gao Pilin Reply:
Hello: 1. The issue of eye strain, since you are an adult, has a limited impact on myopia, although it can cause fatigue. It also has a minimal effect on increasing intraocular pressure, so there is no need to be overly anxious. 2. Unless there is intense physical activity, your ...[Read More] Understanding Eye Strain: Can Muscle Tension Affect Eye Shape and Vision?
Understanding Eye Pressure and Axial Length: Myopia Concerns
Intraocular pressure and axial length? Doctor, at my age, is it true that my axial length will no longer increase? Many activities can raise intraocular pressure, and elevated intraocular pressure can lead to an increase in axial length, which in turn causes myopia. Doesn't ...
Dr. Gao Pilin Reply:
Hello Wei: The greatest harm of elevated intraocular pressure is to the optic nerve, leading to glaucoma, rather than myopia. It is crucial not to allow excessively high intraocular pressure to cause permanent damage to the optic nerve. Thank you for your message.[Read More] Understanding Eye Pressure and Axial Length: Myopia Concerns
Understanding Glaucoma Symptoms and Diagnosis: What You Need to Know
Symptoms and Diagnosis of Glaucoma Hello Doctor: Recently, I experienced conjunctival injection in my right eye and visited an ophthalmology clinic. The doctor indicated that there is inflammation present. During the visit, my visual acuity and intraocular pressure were also chec...
Dr. Zhuang Yamin Reply:
Hello, Miss Huang: The measurement of intraocular pressure is typically performed using a non-contact tonometry method (you may feel a puff of air directed at your eye during the measurement). This method can sometimes yield inaccurate results if the patient experiences discomfo...[Read More] Understanding Glaucoma Symptoms and Diagnosis: What You Need to Know
Can Myopia or Amblyopia Improve with Reduced Screen Time?
Is it possible for true myopia or amblyopia to decrease in severity? If I stop using the computer and phone so much and massage around my eyes while looking into the distance, can I reduce my myopia, which is currently around -300, and astigmatism, which is -100, to -100 over tim...
Dr. Zhuang Yamin Reply:
Hello: First, the definition of amblyopia in adults should be that visual acuity remains below normal values even after wearing appropriate corrective lenses, and there are no other optic nerve or retinal diseases. Therefore, if the accuracy of the prescription is uncertain or if...[Read More] Can Myopia or Amblyopia Improve with Reduced Screen Time?
Understanding Glaucoma Concerns: A Guide for High Myopia Patients
Concern for glaucoma Hello, Doctor. I am a programmer with high myopia. Last year, my intraocular pressure was as high as 26. The doctor prescribed me a fatigue-relief eye drop, and after three days, my pressure dropped to 18-19 during a follow-up. Two months later, I went to Hos...
Dr. He Jianxian Reply:
1. OCT results do not fully represent the presence or absence of glaucoma and must be interpreted in conjunction with other conditions. 2. There are no clinical reports linking excessive eye strain to the development of glaucoma. 3. Essentially, if glaucoma has not been confirmed...[Read More] Understanding Glaucoma Concerns: A Guide for High Myopia Patients
Can People with High Myopia Practice Yoga Safely?
Can individuals with high myopia practice yoga? Hello, I would like to ask if individuals with high myopia can practice yoga. Are general bending and forward stretching movements (not involving inversions) harmful to the retina? Are there any specific precautions to be aware of? ...
Dr. Wang Zhangji Reply:
Certain yoga poses may cause changes in intraocular pressure, and individuals with optic nerve disorders or high myopia should exercise greater caution.[Read More] Can People with High Myopia Practice Yoga Safely?
Understanding Light Sensitivity and Night Vision Issues in Myopia
Photophobia and nocturnal diplopia? Hello, Doctor. I have high myopia (L: -9.25, R: -9.0, latest refraction) but I usually wear glasses with a prescription of L: -7.5, R: -7.25 (from four years ago when I was 22). My left eye has 25 degrees of astigmatism and I experience floater...
Dr. He Jianxian Reply:
It is recommended that you visit an ophthalmology specialist for an examination and consultation, as this may help identify the underlying cause more easily.[Read More] Understanding Light Sensitivity and Night Vision Issues in Myopia
Understanding Optic Nerve Atrophy: Eye Health and Vision Correction Tips
Regarding issues related to optic nerve atrophy! If both eyes originally had myopia, with the left eye at -2.75 diopters and the right eye at -3.00 diopters, and due to right optic nerve atrophy, the later measurements showed the left eye at -4.50 diopters and the right eye at -5...
Dr. Gao Pilin Reply:
Hello: Myopia is indeed related to your reading habits, such as distance, duration, and lighting. Generally, both eyes are used simultaneously, and both can worsen, which is not significantly related to the habit of using the left eye more. To prevent the worsening of myopia, it ...[Read More] Understanding Optic Nerve Atrophy: Eye Health and Vision Correction Tips