Visual field, Ophthalmology FAQ - Page 30

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Understanding Unilateral Eye Pain: Causes, Symptoms, and Treatment Options

Unilateral eye pain? Hello, doctor. I am currently a graduate student preparing for my oral defense and I have been experiencing floaters. When looking at a white piece of paper, the blank areas are filled with moving black dots, similar to the static on a television screen. Addi...


Dr. Chen Anping Reply:
1. Due to binocular disparity, prolonged eye use can lead to fatigue. 2. 95% of cases of floaters are benign, but it is still important to see a doctor early for a thorough examination of the retina. 3. Replacing glasses will not improve this condition.

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


Understanding Optic Nerve Cupping: Should You Start Treatment?

Optic nerve cupping Hello Doctor: I am 42 years old. Recently, I was examined at a clinic and found to have a cup-to-disc ratio of 0.8, but my intraocular pressure and visual field tests were normal. The doctor recommended starting treatment with glaucoma eye drops. However, upon...


Dr. He Jianxian Reply:
Based on your description, regular follow-up should be a reasonable choice!

[Read More] Understanding Optic Nerve Cupping: Should You Start Treatment?


Understanding Retinal Tears: Causes, Symptoms, and Treatment Insights

Retinal tear Hello Doctor, I have high myopia, with both eyes exceeding -1000 diopters. Two weeks ago, I experienced a retinal detachment in my right eye due to external trauma. After undergoing laser treatment, there are no major issues, but two days ago, I suddenly noticed floa...


Dr. Gao Pilin Reply:
Hello, Xiao Yi: 1. It is possible that the bleeding has been absorbed. If the tear reaches a blood vessel, there will be bleeding; if not, there won't be. The floating black spots should gradually decrease. 2. High myopia typically results in a thinner peripheral retina, wh...

[Read More] Understanding Retinal Tears: Causes, Symptoms, and Treatment Insights


Understanding Glaucoma and Eye Concerns: Your Questions Answered

Concerns about glaucoma and eye problems? Hello, Doctor. I would like to ask you a few questions: 1. If the optic cup-to-disc ratio is large, does it necessarily indicate optic nerve atrophy? My visual field is normal, intraocular pressure is 21, and fundus photography is norma...


Dr. He Jianxian Reply:
1. A significant indentation can sometimes be physiological and does not necessarily indicate atrophy. 2. Based on your description, it does not appear to be glaucoma. 3. Physiological changes have no impact on us. 4. If the retina is being pulled, it may cause "flashe...

[Read More] Understanding Glaucoma and Eye Concerns: Your Questions Answered


Understanding OCT Results: Is My Eye Condition a Sign of Glaucoma?

There is a portion of the left eye OCT that appears red? I am nearsighted with approximately 400 degrees. Last week, during my visit to the ophthalmologist, it was noted that my optic nerve is somewhat cupped, with the left eye being larger than the right. I underwent a visual fi...


Dr. He Jianxian Reply:
I recommend that you consult directly with your treating physician for more accurate information, as I have not seen your OCT and visual field results.

[Read More] Understanding OCT Results: Is My Eye Condition a Sign of Glaucoma?


Understanding Flashing Lights in Vision: Risks and Prevention Tips

Flashing issues Hello, 1. I have a prescription of -700 diopters, and I often see flashes of light whenever I move my eyes, such as when I look up at the blackboard; they are continuous, and sometimes the flashes appear wavy. Although my examination showed no issues, the doctor...


Dr. Gao Pilin Reply:
Dear anxious senior high school student, 1. The flashes of light may indicate that the vitreous is pulling on the retina. Currently, the examination shows no issues, and you just need to continue monitoring. It is actually rare for flashes to lead to retinal disease. The flashes...

[Read More] Understanding Flashing Lights in Vision: Risks and Prevention Tips


Understanding Eye Symptoms: Flashing Lights and Potential Risks

Eye problems Hello, doctor. Sometimes I experience several connected flashes of light in the visual field of my right eye, near the bridge of my nose. Sometimes they appear as white flashes, but once they were dark, like a dark red color. Most of the time, this is accompanied by ...


Dr. Gao Pilin Reply:
Hello, Xiao B: After the examination, everything appears normal, so it should not be related to retinal detachment. Please continue to monitor your condition, and if there are any changes or if it worsens, please visit an ophthalmologist immediately. The ophthalmology department ...

[Read More] Understanding Eye Symptoms: Flashing Lights and Potential Risks


Understanding Glaucoma: Navigating Conflicting Diagnoses and Treatment Options

Questions about glaucoma? In 2009, during a health check-up, I received a result indicating "enlarged physiological cup." I went to a major hospital (Hospital A) for further examination, where I underwent fundus examination and visual field testing. The doctor said ever...


Dr. He Jianxian Reply:
If your vision has always been normal, there is no need to worry too much. As for continuously taking this type of antihypertensive medication, there are generally no significant side effects to be concerned about. A cupped optic nerve does not necessarily indicate damage; it req...

[Read More] Understanding Glaucoma: Navigating Conflicting Diagnoses and Treatment Options


Understanding Retinal Detachment: Symptoms and Treatment Options

Retinal tear Two months ago, I experienced a small retinal detachment. The doctor said it was treated with laser and that surgery was not necessary. One detachment was at the upper edge and the other at the lower left, but it did not reach the macula. Since there was no surgery t...


Dr. Wang Zhishun Reply:
It is recommended to perform an OCT (Optical Coherence Tomography) scan, as there may be superficial fluid accumulation.

[Read More] Understanding Retinal Detachment: Symptoms and Treatment Options


Understanding Vitreous Detachment and Its Impact on High Myopia

Retinal traction from the vitreous? Hello, Doctor. (I have inquired before and have further developments.) I have high myopia, approximately 700 to 800 diopters. I previously consulted you around last Thursday, as I have been experiencing flashes of light in my left eye when I cl...


Dr. Wang Zhishun Reply:
Hello, based on the description, both eyes should currently be able to use eye muscle exercises and anti-inflammatory eye drops. Additionally, regarding the retina, if there are any changes in symptoms, further examination is necessary. If not, follow-up can be scheduled as plann...

[Read More] Understanding Vitreous Detachment and Its Impact on High Myopia


Understanding Thin Optic Nerve Fibers: Risks and Protection Strategies

Optic nerve fiber thickness I have high myopia with -7.50/-2.50 in the left eye and -9.25/-1.25 in the right eye. After undergoing optical nerve fiber examination, the doctor mentioned that the nerve fiber thickness is very thin and weak, likely due to high myopia causing unhealt...


Dr. Wang Zhishun Reply:
In cases of high myopia, optical coherence tomography (OCT) reveals that the nerve fiber layer thickness is already reduced due to the thinning of the retina. Currently, there are no methods available to increase this thickness.

[Read More] Understanding Thin Optic Nerve Fibers: Risks and Protection Strategies


Understanding Retinal Issues: Blind Spots, Myopia, and Floaters Explained

Retinal issues Hello, doctor: When I look at something with one eye, there is a small part on the side that I cannot see. Is that a physiological blind spot? Additionally, I have high myopia and floaters. Could it be a retinal tear? The ophthalmologist only mentioned that my reti...


Dr. Gao Pilin Reply:
Hello, Xiao Lu: The physiological blind spot is located on the temporal side of our central vision, but normally we do not perceive it. If this condition persists, it is advisable to visit a major hospital to check for any visual field defects. In Taiwan, the Department of Ophtha...

[Read More] Understanding Retinal Issues: Blind Spots, Myopia, and Floaters Explained


Understanding Glaucoma: Symptoms and Visual Disturbances Explained

Glaucoma issues Hello Doctor: When I stay outdoors and focus on an object for a long time, I see a shadow that seems to move toward the center. I'm certain this is not a symptom of floaters, as I already have floaters. Could this be glaucoma? What do arcuate scotomas and fla...


Dr. Gao Pilin Reply:
Hello: The black spots you are seeing are likely due to floaters, and glaucoma does not typically present with this symptom. The arcuate scotomas and flame-shaped scotomas refer to changes observed during visual field testing, not the black spots you are experiencing. For more in...

[Read More] Understanding Glaucoma: Symptoms and Visual Disturbances Explained


Understanding Visual Distortion: Causes and Concerns in Eye Health

Image distortion Hello Dr. Wang: Currently, my left eye has a myopia of -11.00 diopters and my right eye has a myopia of -10.75 diopters. I also have mild glaucoma in my left eye. At the end of last year, I noticed a phenomenon where straight lines appear curved towards the nasal...


Dr. Wang Zhishun Reply:
Hello, I recommend that you first look up "AMSLER GRID." If you notice any distortion of straight lines, it would be advisable to seek further medical consultation.

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


Understanding Night Blindness: Symptoms and Causes Explained

Is there night blindness? Suddenly moving to a darker area or turning off the lights makes it difficult for me to see, while others around me can see more clearly after a while. I still struggle to see clearly, and my left eye appears blurrier than my right eye in the dark. I hav...


Dr. Gao Pilin Reply:
Hello, Awen: Sometimes refractive errors such as myopia and astigmatism can cause vision to be less clear in dark environments. If you need to confirm whether the diagnosis is night blindness, you should visit a large hospital's ophthalmology department for examinations of t...

[Read More] Understanding Night Blindness: Symptoms and Causes Explained


Unexplained Vision Issues: What Tests Should You Consider?

Unexplained vision loss? I have worn contact lenses for too long. My vision check shows a prescription of -5.50 diopters, and with glasses, I can only see 0.4 to 0.5. After dilation, all checks were normal, including visual field, ocular coherence tomography, and optic nerve asse...


Dr. Gao Pilin Reply:
Hello, Shih-Feng: May I ask what your previous vision was? If contact lenses are worn for too long, the most common issue is corneal edema. If it is amblyopia, it is a developmental issue rather than a pathological condition. I apologize, but I cannot determine what additional te...

[Read More] Unexplained Vision Issues: What Tests Should You Consider?


Understanding Rainbow Vision: Causes, Symptoms, and When to See an Eye Doctor

Rainbow vision issues Hello, doctor. Recently, I've noticed a subtle rainbow halo around streetlights at night, especially pronounced with white lights, while yellow lights don't show it. I think this might be called halos, right? I also tried extending my hands to the ...


Dr. Gao Pilin Reply:
Hello, Ju-er: Rainbow vision can sometimes be caused by elevated intraocular pressure, but it is necessary to examine the optic nerve and visual field to diagnose glaucoma. Corneal edema can also lead to rainbow vision, but an examination is required to determine the cause. In Ta...

[Read More] Understanding Rainbow Vision: Causes, Symptoms, and When to See an Eye Doctor


Understanding Monocular Diplopia: Causes and Concerns in Eye Health

Monocular diplopia Hello Doctor: I am experiencing sudden diplopia in my right eye, along with a decrease in vision. My eyesight was normal after correction, but within a day or two, I remember waking up one night with a sudden headache on the right side, and after that, the next...


Dr. Wang Zhishun Reply:
Hello, the causes of monocular diplopia can include refractive errors, as well as issues ranging from the eyelid to the retina. It is better to have a physician help you identify the cause. Additionally, myasthenia gravis can also present solely in the eyes, so it may be worthwhi...

[Read More] Understanding Monocular Diplopia: Causes and Concerns in Eye Health


Understanding Eye Symptoms: Seeing Blood Vessels During Blinking

In the moment of blinking, one can see blood vessels similar to those observed during a fundus examination? I have high myopia, with both eyes having approximately 1000 diopters. Over ten years ago, I experienced symptoms of retinal detachment in my right eye, which was treated w...


Dr. Gao Pilin Reply:
Hello Jun-Hsiang: If the fundus examination shows no issues, there is no need to worry; it is likely a phenomenon of floaters, and regular check-ups are sufficient. Sometimes, there may be visual field defects in the laser-treated area, but if they are peripheral, they will not a...

[Read More] Understanding Eye Symptoms: Seeing Blood Vessels During Blinking


Understanding Floaters and Flashing Lights: Retina Concerns Explained

Floaters in the retina I have noticed an increase in floaters for about three to four months, which occurred suddenly. I am nearsighted with a prescription of approximately -6. Recently, when I rub my eyes, I see flashes of light at the edge of my right eye's visual field, m...


Dr. Wang Zhishun Reply:
Hello, it is advisable to have a fundus examination as soon as possible. Additionally, please avoid rubbing your eyes.

[Read More] Understanding Floaters and Flashing Lights: Retina Concerns Explained


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