Why Is One Eye Darker? Understanding Eye Health Concerns
Eye problems Hello doctor, I have a question to ask you. Why does my right eye appear darker when I look out, while my left eye appears brighter? Is it due to eye inflammation or macular degeneration? Please help me with this, thank you.
Dr. Cai Wenyuan Reply:
Hello, it is recommended to have an examination of the retina and optic nerve. Wishing you safety and health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan General Hospital, Ministry of Health and Welfare.[Read More] Why Is One Eye Darker? Understanding Eye Health Concerns
Understanding Floaters: Common Concerns and Eye Health Insights
Floaters issue? Hello, Doctor. I discovered a shadow in my vision on December 31, 2016. After undergoing a dilated eye exam at the ophthalmologist on January 2, 2017, I was diagnosed with floaters. The doctor mentioned that there were no holes in my retina and suggested that it m...
Dr. Gao Pilin Reply:
Hello: 1. This is a phenomenon of floaters, which can appear to drift and fluctuate. 2. It is likely that during vitreous detachment, it may pull on the optic nerve or retina. 3. After dilation, myopia usually decreases because the ciliary muscle is almost completely relaxed. 4. ...[Read More] Understanding Floaters: Common Concerns and Eye Health Insights
Understanding Floaters and Flashing Lights: When to Seek Help
Floaters issue? Hello Doctor, I was diagnosed with floaters this month, currently in my left eye. I had a fundus examination and my left retina is okay, with vision around 20/800, but it dropped to 20/650 after dilation. The doctor mentioned a black spot close to the optic nerve,...
Dr. Cai Wenyuan Reply:
Hello, based on your description, it does not seem to be an emergency situation. I recommend seeking medical attention according to the schedule. Wishing you safety and health. Sincerely, Dr. Tsai Wen-Yuan, Director of Ophthalmology, Taoyuan General Hospital, Ministry of Health a...[Read More] Understanding Floaters and Flashing Lights: When to Seek Help
Understanding High Eye Pressure: Is It Glaucoma and How to Manage It?
Will high eye pressure improve? How long will it take to know if it returns to normal? I previously sought treatment at the hospital for dry eye syndrome, using dry eye drops and artificial tears for about eight months. During this period, I obtained my medication through a slow ...
Dr. Cai Wenyuan Reply:
Hello: It is difficult to make a diagnosis based solely on description. However, the likelihood of nerve damage from short-term elevated intraocular pressure is low, so there is no need to worry. If the elevated intraocular pressure is caused by corticosteroids, discontinuing the...[Read More] Understanding High Eye Pressure: Is It Glaucoma and How to Manage It?
Understanding High Myopia: Concerns About Retinal Health and Eye Pressure
High myopia Hello Doctor: I am severely myopic with a prescription of about -1000 diopters. In the past six months, I have experienced floaters and suspected flashes of light. I have a few questions to ask you: 1. Yesterday, I underwent a dilated fundus examination, and the doc...
Dr. Gao Pilin Reply:
Hello, anxious individual: 1. Without a tear, you need to closely monitor for any changes, as it is impossible to predict when a tear may actually occur. There is no way to prevent it from stretching; you can only reduce the risk by minimizing vigorous head movements. 2. If you...[Read More] Understanding High Myopia: Concerns About Retinal Health and Eye Pressure
Understanding Steroid-Induced Eye Pressure Increase: What to Expect
Steroids can cause an increase in intraocular pressure? Hello Dr. Tsai, I previously inquired about the issue of elevated intraocular pressure due to steroid use. I have been taking Kenalog (20 mg/day) for about two weeks. This morning, I went for an eye examination, and my intra...
Dr. Cai Wenyuan Reply:
Hello, if elevated intraocular pressure is caused by steroid use, it should decrease after discontinuing the medication. There are many factors that can affect intraocular pressure, and it has been suggested that the timing of measurement can also influence the results; however, ...[Read More] Understanding Steroid-Induced Eye Pressure Increase: What to Expect
Understanding Optic Nerve Damage: Causes, Effects, and Treatments
Optic nerve damage Hello, how many optic nerves are there in one eye? What are the effects if the optic nerve is damaged, and how should it be treated? Thank you.
Dr. Liang Ce Reply:
Each eye has only one optic nerve, which is composed of approximately one million nerve fibers. Injury to the optic nerve can affect vision. Within eight hours after the injury, corticosteroid treatment may be attempted, but its effectiveness is limited. Most cases require observ...[Read More] Understanding Optic Nerve Damage: Causes, Effects, and Treatments
Can Vision Nerve Damage from Metronidazole Be Reversed?
Drug-induced optic neuropathy Hello, due to a gastric ulcer, I have been on a 14-day treatment regimen (metronidazole 1200mg daily + clarithromycin 1000mg daily), taken in two doses. I found online that taking metronidazole can lead to optic neuropathy. I would like to know if th...
Dr. He Jianxian Reply:
According to medical information, if there are any pathological changes, most of them are reversible once the medication is discontinued. It is recommended that you monitor any changes in your vision.[Read More] Can Vision Nerve Damage from Metronidazole Be Reversed?
Understanding the Risks of Vision Training for High Myopia Patients
Risks of Vision Training Hello, doctor. I apologize for the interruption. I have high myopia of around 900 (with slightly thin retinas), and I would like to ask about vision training. 1. This training involves reading exercises to strengthen the eye muscles (ciliary muscles) an...
Dr. Gao Pilin Reply:
Hello Mr. Chen: This type of training should not harm your eyes, but its effectiveness may vary depending on individual factors. Please evaluate it for yourself. The ophthalmology department at Puzi Hospital in Taiwan is open from Monday to Friday, 8:00 AM to 12:00 PM, and Wednes...[Read More] Understanding the Risks of Vision Training for High Myopia Patients
Essential Eye Care Tips for High Myopia and Floaters Management
Eye care issues? Hello, Doctor. I would like to ask a few questions regarding eye care. I have high myopia (950) and also experience floaters. If I maintain good intraocular pressure and avoid eye strain, can I reduce the incidence of glaucoma? Is it possible for macular degenera...
Dr. Cai Wenyuan Reply:
Hello: Preventing eye strain is beneficial for the eyes and can reduce the occurrence of glaucoma; however, it is still important not to forget regular medical check-ups. At your age, macular degeneration is not very common. By paying attention to your daily eye habits and mainta...[Read More] Essential Eye Care Tips for High Myopia and Floaters Management
Understanding Eye Flashes and Discomfort: Possible Causes and Solutions
Issues such as flashes of light in the eyes? Recently, I've been experiencing flickering lights when I sleep, and even when I open my eyes in the middle of the night, the same phenomenon occurs, especially with patterns or lines that are particularly pronounced. This happens...
Dr. Gao Pilin Reply:
Hello, Xiaotang: Your condition should be evaluated by an ophthalmologist, as it is likely not a symptom of glaucoma. It may be related to issues with the retina or optic nerve. You can visit a hospital that specializes in retinal or optic nerve care. The ophthalmology department...[Read More] Understanding Eye Flashes and Discomfort: Possible Causes and Solutions
Understanding Eye Pressure and Its Impact on Vision Health
Intraocular pressure and optic nerve? Hello, doctor. I have high myopia around -9.00. 1. Recently, I've been feeling something unusual around my eyes, and at night, things appear particularly bright. Is this a problem with my optic nerve? 2. If I have high myopia along with ...
Dr. Gao Pilin Reply:
Hello, Xiao Chen: 1. Sometimes when intraocular pressure is high, you may see halos around lights, which could also be due to dilated pupils, making you more sensitive to light. 2. Prolonged high intraocular pressure can lead to nerve damage, resulting in glaucoma. 3. Most ge...[Read More] Understanding Eye Pressure and Its Impact on Vision Health
Understanding High Myopia: Common Concerns and Eye Health Questions
Myopia issues? Hello Doctor, I would like to ask you about my condition. I have high myopia (approximately -1150 diopters), and the optical shop provided me with glasses with -1050 diopters. However, when I wear them, my eyes tend to feel strained, so I only wear them when I ne...
Dr. Gao Pilin Reply:
Hello: 1. No, this way your eyes will feel more comfortable. 2. The refractive error can change depending on the tension of the ciliary muscle in your eyes. If the measurements are unstable, it may be necessary to use a cycloplegic agent before retesting for more accurate results...[Read More] Understanding High Myopia: Common Concerns and Eye Health Questions
Understanding Eye Issues: Myopia, Fatigue, and Vision Training Insights
Eye problems and vision training? Dear Doctor, I am currently 16 years old and have a high degree of myopia, approximately -950 diopters, due to my allergic constitution. I also have floaters and would like to ask a few questions. 1. I have dry eye syndrome. Will long-term ey...
Dr. Cai Wenyuan Reply:
Long-term eye fatigue is detrimental to the eyes and should be avoided as much as possible. If rest does not improve the condition, it is important to seek medical attention promptly. High myopia increases the risk of developing cataracts, macular degeneration, or retinal detachm...[Read More] Understanding Eye Issues: Myopia, Fatigue, and Vision Training Insights
Understanding Glaucoma: Eye Pressure, Nerve Health, and Safety Concerns
Glaucoma examination Hello, doctor. Recently, I've been experiencing eye strain and some discomfort in the back of my head. I'm concerned it might be glaucoma, so I went to the hospital for an examination. I have high myopia, approximately -7.00 diopters. My intraocular...
Dr. He Jianxian Reply:
1. In high myopia, the optic nerve itself can undergo changes, making it difficult to determine if there are any pathological alterations. If your doctor suspects you may have glaucoma, they will likely schedule a visual field test for you. 2. The fundus examination typically doe...[Read More] Understanding Glaucoma: Eye Pressure, Nerve Health, and Safety Concerns
Understanding Rainbow Halo Effects Around Lights: Causes and Solutions
Rainbow halo I apologize for the inconvenience, but I would like to ask the doctor: at night, I see what appears to be rainbow-like rays near streetlights. After an examination, the doctor said my eye pressure is normal and used a mirror to check my optic nerve, stating that ever...
Dr. He Jianxian Reply:
Under normal circumstances, we do not easily encounter this situation. However, if the eyes are otherwise healthy, it is possible to experience this issue due to tear film imbalance or poor lens cleanliness. This is for your reference.[Read More] Understanding Rainbow Halo Effects Around Lights: Causes and Solutions
Understanding Cataracts and Optic Nerve Atrophy: Key Questions for Your Doctor
I would like to ask the doctor some questions regarding cataracts and concurrent optic nerve atrophy? 1. Is it true that "preserving the disparity between the two eyes is less likely to cause visual imbalance"? 2. Is optic nerve atrophy leading to vision loss an irrev...
Dr. Gao Pilin Reply:
Dear Mr. Song, The narrowing of the visual field caused by neurodegeneration is an irreversible phenomenon, and currently, there is no way to reverse it. As for the binocular disparity, it may allow your father to avoid wearing glasses; without disparity, he would need glasses f...[Read More] Understanding Cataracts and Optic Nerve Atrophy: Key Questions for Your Doctor
Understanding Sudden Eye Pain and Tears: Is It a Sign of High Eye Pressure?
Suspected high intraocular pressure with eye pain and tearing? Hello, Dr. Gao. This evening, while I was having a bowel movement, I suddenly experienced severe stabbing pain in both eyes, accompanied by tearing, making it almost impossible to open my eyes. Upon looking in the mir...
Dr. Gao Pilin Reply:
Hello, concerned individual: 1. Sudden sharp pains are not necessarily due to elevated intraocular pressure; it can occur if the oil secreted around the eyelids enters the eye. In such cases, washing your face and cleaning your eyelids may help alleviate the situation. 2. Some ...[Read More] Understanding Sudden Eye Pain and Tears: Is It a Sign of High Eye Pressure?
Understanding Glaucoma: What to Expect During Vision and Nerve Checks
Issues related to glaucoma? The examination of visual fields and the optic disc cupping specifically involves assessing the visual field and the appearance of the optic nerve head. This is typically performed using a combination of techniques, including perimetry to evaluate the ...
Dr. Cai Wenyuan Reply:
The examination of optic disc cupping can be performed using an ophthalmoscope or fundus photography. Visual field testing can be conducted using a computerized automated perimetry machine. Thank you.[Read More] Understanding Glaucoma: What to Expect During Vision and Nerve Checks
Understanding Glaucoma: Eye Pressure, Treatment, and Prevention Tips
Glaucoma issues? Today, I went for a glaucoma examination, and my eye pressures were 19 and 20. They prescribed me a bottle of brimonidine tartrate eye drops. Does this mean everything is okay? Could you please advise me on how to prevent glaucoma?
Dr. Cai Wenyuan Reply:
Intraocular pressure of 19 and 20 falls within the normal range. To rule out glaucoma, it is best to conduct visual field tests and examine the optic nerve head for cupping. Regular check-ups and avoiding eye strain are fundamental practices for maintaining eye health. Thank you.[Read More] Understanding Glaucoma: Eye Pressure, Treatment, and Prevention Tips