Visual field, Ophthalmology FAQ - Page 20

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Post-Retinal Hole Surgery: Understanding Vision Changes and Concerns

Postoperative Issues After Retinal Hole Repair Surgery Hello, doctor. I suddenly noticed an increase in floaters and blurred vision. Five days ago, I underwent retinal laser surgery on my right eye, where a hole had been lifted. Currently, the floaters have not increased, and I d...


Dr. Gao Pilin Reply:
Hello Kelly: Based on your description, since your vision returned to normal after 15 minutes, there is no need to worry. After undergoing retinal laser treatment, it can cause minor peripheral vision defects and temporary swelling, which may lead to a feeling of dimness, reduced...

[Read More] Post-Retinal Hole Surgery: Understanding Vision Changes and Concerns


Understanding High Eye Pressure and Its Impact on Vision Health

Elevated intraocular pressure, slightly compromised optic nerve, normal visual field examination? Hello, Doctor. I have myopia of -9.00 diopters and astigmatism of -1.50 in my left eye, and myopia of -9.75 diopters and astigmatism of -7.51 in my right eye. I have been wearing gla...


Dr. Liang Ce Reply:
It is recommended that you discuss the above situation with your attending physician to determine if further examinations are necessary. Thank you, and wishing you good health!

[Read More] Understanding High Eye Pressure and Its Impact on Vision Health


Are Vision and IOP Tests for Glaucoma Covered by Health Insurance?

National Health Insurance Coverage Items Could you please let me know if the visual field test/IOP measurement and OCT macula/disc examination, which the doctor recommended due to the possibility of glaucoma, are covered by health insurance? Thank you!


Dr. Gao Pilin Reply:
Hello Liz: Is the coverage dependent on the condition, or should I consult the attending physician to find out? In Taiwan, at Puzi Hospital's ophthalmology department: Monday, Tuesday, Thursday, and Friday mornings from 8:00 AM to 12:00 PM, and Wednesday afternoons from 2:00...

[Read More] Are Vision and IOP Tests for Glaucoma Covered by Health Insurance?


Understanding Right Eye Pain: Causes and Self-Care Tips

Right eye pain? Hello, doctor. I have the following concerns: 1. My right eye has a prescription of -700 diopters and I experience floaters. For the past four days, I have been experiencing pain in my right eye and orbit, which is more intense when I look towards the 3 o'c...


Dr. He Jianxian Reply:
Dear elderly lady: Based on your description, it is difficult to determine the cause of your pain. Regarding the visual field loss, I recommend that you visit a large hospital for further examination. As for the phenomenon of visual persistence when closing your eyes, it likely d...

[Read More] Understanding Right Eye Pain: Causes and Self-Care Tips


Understanding Optos 200-Degree Ultra-Widefield Imaging in Eye Care

Optos 200-degree ultra-widefield non-dilated fundus photography? 1. I would like to ask if, during the Optos 200-degree ultra-widefield non-dilated retinal imaging examination, it is possible for the device to come into contact with the cornea. During the procedure, my eyes had t...


Dr. Gao Pilin Reply:
Hello Kuan-Ying, 1. To see a wider field, according to optical principles, one should be closer to the eye. However, under normal circumstances, this should not touch the cornea, so there should be no risk of infection. 2. Traditional dilated fundus examinations and photography ...

[Read More] Understanding Optos 200-Degree Ultra-Widefield Imaging in Eye Care


Understanding Persistently High Eye Pressure: Causes and Solutions

Bilateral elevated intraocular pressure? Hello Dr. Tsai: For the past 2 to 3 years, I have been visiting large hospitals, and they keep saying that I have high intraocular pressure. However, both my visual field tests and axial length measurements have been normal, and my vision ...


Dr. Cai Wenyuan Reply:
Use your eyes less and take regular breaks; regular check-ups are sufficient, so there’s no need to worry.

[Read More] Understanding Persistently High Eye Pressure: Causes and Solutions


Understanding OCT and Visual Field Tests in Age-Related Eye Health

Glaucoma examination 1. When visiting an ophthalmologist, the doctor mentioned that everyone's optic nerve will inevitably degenerate with age, and that the optic nerve at age 20 will be different from that at age 50. I would like to ask, when I undergo an OCT examination, w...


Dr. Gao Pilin Reply:
Hello, Mr. Tao: 1. Normal values are relative to your age and will change. The physician will interpret them for you to avoid misjudgment. 2. Assessments will be based on your age. 3. I apologize, but I have not encountered that before. 4. The plate is less likely to change. 5. ...

[Read More] Understanding OCT and Visual Field Tests in Age-Related Eye Health


Understanding Peripheral Retinal Degeneration: Causes and Treatment Options

Peripheral retinal degeneration Hello Doctor, today I went to the hospital for a consultation, and they told me that there is a slight degeneration at the edge of my right retina. I have about 800 degrees of myopia, and I would like to know if this can be treated. What is the mai...


Dr. Gao Pilin Reply:
Hello Mr. Huang: Peripheral retinal degeneration is caused by high myopia. If there are no complications (such as retinal tears leading to retinal detachment), it will not result in vision deterioration. You can visit different hospitals for an examination and inform the physicia...

[Read More] Understanding Peripheral Retinal Degeneration: Causes and Treatment Options


Understanding Glaucoma: Key Questions and Insights for Patients

Glaucoma issues? 1. If a person has over 200 degrees of myopia and astigmatism, will the visual field testing instrument, which corrects refractive errors, adjust for astigmatism in addition to myopia? Does the existing astigmatism affect the visual field test results? 2. Since ...


Dr. Gao Pilin Reply:
Hello, Ah Hou: 1. I have not used this type of visual field instrument, so I am unsure if it can correct astigmatism. However, mild astigmatism may not require correction. 2. Unless the pupil is very small, it generally does not significantly affect the visual field and can be o...

[Read More] Understanding Glaucoma: Key Questions and Insights for Patients


Understanding Flickering Vision During Semi-Awake States: What You Should Know

Flickering of the eyes while in a semi-conscious state? Hello, I have noticed that when my eyes are half-closed in a drowsy state (with some awareness), the images I see seem to flicker for a few seconds before returning to normal. I think most people might not notice this condit...


Dr. Gao Pilin Reply:
Hello, university student: After undergoing so many examinations with no issues, you can follow your physician's advice and have check-ups every six months. When you first open your eyes, it is normal to experience certain conditions, such as pupil constriction; this can be ...

[Read More] Understanding Flickering Vision During Semi-Awake States: What You Should Know


Understanding Retinal Tears: Symptoms and When to Seek Help

Retinal degeneration Hello Doctor, I had a dilated eye exam at the hospital the day before yesterday and discovered a retinal tear at the edge of my right eye. The laser treatment has already been completed, and the doctor scheduled a follow-up appointment in two weeks. I have be...


Dr. Gao Pilin Reply:
Hello QZ: This is likely a postoperative phenomenon. If there are no other changes, you should be able to wait until your follow-up appointment. However, if you experience large dark spots, visual field loss, or changes in vision, you should return for an earlier consultation. Th...

[Read More] Understanding Retinal Tears: Symptoms and When to Seek Help


Understanding Vision Loss After Retinal Laser Treatment: What to Expect

After undergoing retinal laser treatment? Today, after receiving laser treatment on my left eye, I noticed a significant visual field defect (similar to a visual afterimage, like a black curtain blocking my vision). The doctor mentioned that I received 200 to 300 shots during the...


Dr. Gao Pilin Reply:
Hello Tardigrades: Laser treatment is a form of destruction, which can lead to visual field loss. This is permanent, but over time, the severity of this condition may become less noticeable. In Taiwan, Puzi Hospital's ophthalmology department operates on Monday, Tuesday, Thu...

[Read More] Understanding Vision Loss After Retinal Laser Treatment: What to Expect


Understanding Eye Movements: Light Spots and Blurriness Explained

Eye movement, with the eyes continuously looking towards the left and right sides of the visual field? Hello, Doctor Gao: Recently, I have noticed that under indoor lighting, if I suddenly look from left to right, I see small light spots in my left visual field, along with a sens...


Dr. Gao Pilin Reply:
Hello Jeter: This phenomenon does not appear to be vitreous detachment or retinal tear or detachment. It is recommended that you visit an ophthalmologist for a dilated eye examination to assess your condition. In Taiwan, the ophthalmology department at Puzi Hospital is available:...

[Read More] Understanding Eye Movements: Light Spots and Blurriness Explained


Understanding Eye Flashes: Causes and Solutions for Your Vision Issues

Flashes of light above the eye? Hello doctor, I have myopia with -1.00 in my left eye and -2.70 in my right eye. I have also been experiencing floaters and recently noticed flashes of light above my eyes. Sometimes during the day, my vision will flash or become suddenly cloudy, a...


Dr. He Jianxian Reply:
Hello Terence: This type of flash is clinically referred to as photopsia, which indicates that the retina has been subjected to traction. Once the traction improves, the flashes will naturally subside. It is advised to seek medical attention promptly if you experience the followi...

[Read More] Understanding Eye Flashes: Causes and Solutions for Your Vision Issues


Understanding Eye Health: Post-Fundus Exam Insights and Concerns

After a fundus examination? I have been experiencing flashes and an increase in floaters lately, so I went to an ophthalmology clinic for a fundus examination. After the examination, the doctor said that there were no issues with my retina, but that some areas were slightly thinn...


Dr. He Jianxian Reply:
Dear Mr. Bai, 1. If there is a significant thinning of the retina, it is recommended to proceed with laser treatment. 2. A check-up showing no issues indicates that there are no problems at that moment; however, if you experience any of the following symptoms, it is advisable to...

[Read More] Understanding Eye Health: Post-Fundus Exam Insights and Concerns


Understanding Sudden Blurry Vision: Causes and Concerns

Sudden blurred vision? Hello, Doctor Gao: About a year ago, I started experiencing occasional sudden blurred vision, feeling as if my myopia had suddenly worsened. Since it happened infrequently, I initially thought it was not a big deal. However, in the past few months, the epis...


Dr. Gao Pilin Reply:
Hello, Xiao Die: I am also unable to make an accurate diagnosis based on your description. However, you can try comparing the difference in your prescription when your vision is clear versus when it is blurry. If you can correct the blurriness with lenses, it indicates that your ...

[Read More] Understanding Sudden Blurry Vision: Causes and Concerns


Understanding Glaucoma Risks: High Myopia and Eye Pressure Concerns

Questions related to glaucoma? Hello Doctor: I have high myopia (approximately 800 degrees in both eyes). Yesterday, during a visit to an ophthalmology clinic, it was mentioned that my intraocular pressure was slightly elevated (19 and 21 in both eyes). Therefore, I went to a maj...


Dr. Gao Pilin Reply:
Hello: Glaucoma is a progressive disease, so it is important to compare its changes over time. Therefore, a single examination serves as a baseline for future comparisons. It is the same regardless of how many hospitals you visit; each time is considered a first visit. Currently,...

[Read More] Understanding Glaucoma Risks: High Myopia and Eye Pressure Concerns


Understanding Vision Issues: Insights on Optic Nerve Health and Protection

Eye problems Hello, doctor. I had a follow-up appointment yesterday for a visual field test. The doctor mentioned that there is a dark spot in the center of my right eye, indicating an abnormality with the optic nerve (my right eye has normal vision). In my left eye, there are tw...


Dr. Gao Pilin Reply:
Hello, if there is an issue with the optic nerve, any visual field loss may not be recoverable. However, it is sometimes necessary to monitor the condition over a period of time and conduct visual field tests to check for any changes. If the defects remain in the same areas, the ...

[Read More] Understanding Vision Issues: Insights on Optic Nerve Health and Protection


Understanding Glaucoma: Key Questions and Concerns for Patients

Questions about glaucoma? Dear Doctor, My father experienced blurred vision in his left eye about six months ago and initially visited a local clinic. The doctor diagnosed him with cataracts, but stated that it had not progressed to the point of requiring surgery, so my father o...


Dr. Gao Pilin Reply:
Hello Mr. Wang: 1. Visual field (VF) testing is a passive examination. In addition to optic nerve disorders, cataracts can sometimes also affect the results. Optical coherence tomography (OCT) is a subjective method of examination that can reveal the condition of the optic nerve...

[Read More] Understanding Glaucoma: Key Questions and Concerns for Patients


Understanding Potential Complications After Retinal Laser Treatment

Postoperative complications of retinal laser treatment? Hello, Doctor Gao. I was recently diagnosed with peripheral lattice degeneration of the retina with minor holes, and I need to undergo laser treatment. I heard from a friend that he signed a pre-operative agreement mentionin...


Dr. Gao Pilin Reply:
Hello Ms. Chen: The complications you mentioned have a low incidence rate, but there is still a risk, so we have to list them. Laser treatment involves applying energy to the retina, which may initially cause some stinging sensation due to the burning effect. Additionally, the tr...

[Read More] Understanding Potential Complications After Retinal Laser Treatment


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