Visual field, Ophthalmology FAQ - Page 12

Share to:
Understanding High Eye Pressure and Acute Glaucoma Symptoms: Key Insights

Elevated intraocular pressure / Acute glaucoma Hello Doctor, I have high myopia with -6.25 in my left eye and -6.75 in my right eye. I have a history of elevated intraocular pressure, fluctuating between 21-26 mmHg, and last week it was 24-25 mmHg. However, I have previously expe...


Dr. Gao Pilin Reply:
Hello, Miss Lin: 1. Please refer to: https://bit.ly/3CqNwLO 2. Acute glaucoma is characterized by a rapid increase in intraocular pressure within a short period. 3. Acute glaucoma is an ophthalmic emergency where the intraocular pressure rises quickly, causing significant damage...

[Read More] Understanding High Eye Pressure and Acute Glaucoma Symptoms: Key Insights


Understanding High Eye Pressure: Should You Be Concerned?

Issues with elevated intraocular pressure? Hello, doctor. I have high myopia (approximately -7.00 diopters). When I had my intraocular pressure measured at the clinic, one eye was 24 and 25, while the other was 23. The first doctor advised me to adjust my eye usage habits and ret...


Dr. Gao Pilin Reply:
Hello, concerned individual: It is necessary to determine if medication is needed and how long to measure intraocular pressure, as well as to conduct visual field testing and corneal thickness measurement for a definitive assessment. Regarding conjunctivitis, eye allergies do not...

[Read More] Understanding High Eye Pressure: Should You Be Concerned?


Understanding Different Visual Fields in Each Eye: Is It Normal?

The visual fields of the left and right eyes are different? Hello, doctor. I would like to ask you about something I've noticed. When I close my left eye and look at the tiles with my right eye, the field of vision seems different compared to when I close my right eye and lo...


Dr. Gao Pilin Reply:
Hello, Achi: The visual fields of both eyes are inherently different when viewed monocularly due to their different positions. When there is a pathological condition, the distortion in the visual field can become quite pronounced. Curvature around the blind spot may be caused by ...

[Read More] Understanding Different Visual Fields in Each Eye: Is It Normal?


Understanding Retinal Issues: High Myopia and Pigment Deposits Explained

Retinal-related issues? 1. Is retinal pigment deposition congenital? 2. If there is pigment deposition in the retina but no night blindness or other discomfort, does this indicate that the eyes are healthy? 3. With retinal pigment deposition but no night blindness, will there...


Dr. Gao Pilin Reply:
Hello, Ms. Wang: 1. It can sometimes be spontaneous. 2. Retinitis pigmentosa is one of the characteristics of night blindness, but individuals with retinitis pigmentosa may not always experience night blindness. 3. It is possible that there is a pre-existing difference in vision ...

[Read More] Understanding Retinal Issues: High Myopia and Pigment Deposits Explained


Understanding Optic Nerve Edema: Causes and Implications for High Myopia

Optic nerve edema Hello Doctor, I have high myopia with a left eye measurement of -6.25 and a right eye measurement of -6.75. I had a fundus photograph taken, along with visual field and OCT examinations. The doctor mentioned that there is slight optic nerve edema in my right eye...


Dr. Gao Pilin Reply:
Hello Ms. Lin: If all tests are normal, it may appear similar to edema, but it is actually normal. Therefore, it is likely congenital. If it were edema, the tests would show abnormalities.

[Read More] Understanding Optic Nerve Edema: Causes and Implications for High Myopia


Understanding the Progression and Sensitivity of Visual Field Loss

Visual field defect Hello, may I ask about the process of decreased sensitivity in visual field defects? Does it progress from a state of blurriness or haziness, or a feeling of dimness where static objects can still be perceived, to a point where only moving objects can be detec...


Dr. Gao Pilin Reply:
Hello, Xin: I recommend that you visit an ophthalmologist for an examination and discuss your concerns directly with the doctor. Your issues require a thorough evaluation to be accurately determined, and answers cannot be provided in a short timeframe. Responding here may only le...

[Read More] Understanding the Progression and Sensitivity of Visual Field Loss


Understanding and Managing Eye Floaters: Causes and Solutions

Vitreous floaters I have been experiencing issues with floaters for a while, and recently I feel like their number has increased. I went to an ophthalmologist for a fundus examination, but the doctor said everything looked normal, and the macula was also in good condition. I was ...


Dr. He Jianxian Reply:
Hello: Once floaters appear, they are generally difficult to improve. Of course, inflammation caused by infections can also lead to floaters, but this usually accompanies other symptoms, such as visual field loss, eye pain, and other related symptoms. This is for your reference. ...

[Read More] Understanding and Managing Eye Floaters: Causes and Solutions


Understanding High Myopia, Astigmatism, and Visual Field Defects in Ophthalmology

Visual field concerns? What are the definitions for high myopia, high astigmatism, and high hyperopia in terms of diopter measurements? It seems that different websites provide varying definitions. Is the physiological blind spot located on the nasal side of the retina, meaning t...


Dr. Gao Pilin Reply:
Hello, Xin: Since the degree is a numerical value, it can have various different values. The term "height" refers to a large value, so its definition can vary. There is no need to be overly strict about the terminology, but it can all be referenced. The physiological bl...

[Read More] Understanding High Myopia, Astigmatism, and Visual Field Defects in Ophthalmology


Understanding Nystagmus: Symptoms, Challenges, and Visual Impacts

Nystagmus Hello, may I ask if nystagmus can also have a large amplitude and high frequency? Does a larger amplitude make the appearance more noticeable, or is it the high frequency? Is it true that not every person with congenital nystagmus experiences oscillopsia? Furthermore, d...


Dr. Gao Pilin Reply:
Hello, Xin: The amplitude of nystagmus can vary, with some being large and others small, and the speed can also range from fast to slow. Naturally, larger amplitudes are easier to detect. The frequency is not always consistent; sometimes it is very fast, and if one does not pay c...

[Read More] Understanding Nystagmus: Symptoms, Challenges, and Visual Impacts


Understanding the Discrepancy Between OCT and Visual Field Tests in Glaucoma

OCT and Visual Field Testing I have just been diagnosed with glaucoma. The OCT data indicates early-stage glaucoma, but the visual field test shows significant defects. Is it possible to have a large discrepancy between the OCT data and the visual field test results?


Dr. Gao Pilin Reply:
Hello Jimmy: OCT is a type of structural assessment of the optic nerve, while visual field testing is a functional assessment. There is a certain correlation between the two, but they are not always completely consistent. The condition of the optic nerve is primarily assessed thr...

[Read More] Understanding the Discrepancy Between OCT and Visual Field Tests in Glaucoma


Understanding Visual Field Defects: Symptoms, Causes, and Concerns

Visual field defect Following up on my previous question, I asked the doctor about my peripheral vision appearing to flicker like turning a light on and off. The doctor mentioned that this could potentially indicate a visual field defect, possibly related to glaucoma or retinal d...


Dr. Gao Pilin Reply:
Hello, Awang: It is possible that the blackouts are caused by carotid artery issues. Cold temperatures may cause vasoconstriction, worsening the condition. Visual field defects should be assessed using a visual field test, as early defects may sometimes go unnoticed by the indivi...

[Read More] Understanding Visual Field Defects: Symptoms, Causes, and Concerns


Understanding Wavy Vision Distortion in High Myopia Patients

Wavy vision distortion? I would like to ask the doctor, I have high myopia, but after examination, there are no issues with the macula, no retinal tears, and no glaucoma. However, I have noticed that in my right eye on the right side and in my left eye on the left side (it seems ...


Dr. Gao Pilin Reply:
Hello, Ah Da: The water ripples are likely caused by the liquefaction of the vitreous body, rather than a distortion of vision. If the examination shows no issues, you can be reassured.

[Read More] Understanding Wavy Vision Distortion in High Myopia Patients


Understanding Eye Flashes: Causes and Concerns for Your Vision

Flashes of light in the eyes? (1) I have noticed that whenever I wake up directly from lying down, I see flickering spots of light in my vision, although they are not very intense and I can only feel them when I close my eyes. Could this be due to the retina being pulled? This ha...


Dr. Gao Pilin Reply:
Hello Mr. Chen: If you are feeling constantly anxious, I recommend that you visit an ophthalmologist for an examination. There should not be any significant issues. It may just be a normal physiological response.

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


Understanding Eye Pressure and Glaucoma: Your Questions Answered

Intraocular pressure and glaucoma? Hello, doctor. In the past two weeks, I have been experiencing frequent swelling and pain around my eyes, which has even led to headaches. I have some questions to ask: 1. My myopia is -6.75 and -7.25 diopters. My last intraocular pressure readi...


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

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


Understanding Visual Field Test Results for Glaucoma Management

Visual field examination results A few days ago, I went for an eye exam and to pick up my eye pressure-lowering medication. The results showed that my eye pressure was 17 in one eye and 18 in the other. The doctor was curious why I needed the medication, and I explained that with...


Dr. Gao Pilin Reply:
Hello: For a 21-year-old with high myopia, if there are points that cannot be seen, they may reappear for confirmation. If none are visible, then there could be an issue. The results should be evaluated based on the average; if only a few points are not visible, it does not neces...

[Read More] Understanding Visual Field Test Results for Glaucoma Management


Understanding Retinal Detachment: Recovery and Surgical Options

Retinal detachment Hello, two months ago I suddenly experienced a large number of floaters in my right eye. A few days later, I visited an ophthalmologist who diagnosed me with retinal detachment. At that time, my right eye's vision was still normal, and the doctor performed...


Dr. He Jianxian Reply:
The lower visual field defect is caused by retinal detachment. Generally, retinal detachments do not spontaneously reattach, although I have seen rare exceptions in clinical practice where they do reattach on their own. Given your condition, I do not recommend surgical interventi...

[Read More] Understanding Retinal Detachment: Recovery and Surgical Options


Understanding the Prescription of Corning Unis for Eye Health Concerns

Confusion regarding the prescription of Corning Optical's lenses during an ophthalmic examination? Hello, Doctor He. I am currently 20 years old and went for my final eye examination before studying abroad. During this examination, a microsonography was performed (I used the...


Dr. He Jianxian Reply:
This medication should only be prescribed if cataracts are present; however, even if cataracts are not present, using it should not pose any issues. Director He Jian-xian, Ophthalmology Department, Nantou Hospital.

[Read More] Understanding the Prescription of Corning Unis for Eye Health Concerns


Understanding Eye Pressure: Concerns for High Myopia Patients

Intraocular pressure related? Hello Dr. Gao, I have high myopia (around -800) and regularly undergo eye examinations. In previous years, my intraocular pressure (IOP) was approximately 17-18 mmHg, but last month, during an examination for conjunctivitis, my IOP was found to be ar...


Dr. Gao Pilin Reply:
Hello LIN: If you have elevated intraocular pressure, it is also important to assess the thickness of the cornea. An intraocular pressure of 20-22 mmHg generally does not produce noticeable symptoms. Whether medication is needed should be evaluated based on the condition of the o...

[Read More] Understanding Eye Pressure: Concerns for High Myopia Patients


Understanding Eye Discomfort: Causes and Concerns for Vision Loss

Eye problems Hello, sometimes my blind eye feels sore or has a sensation of pressure, almost like wanting to tear up, but there are no tears. This feeling can appear suddenly and sometimes occurs in the other eye after using it for close work. It lasts for a while and then allevi...


Dr. Gao Pilin Reply:
Hello, Xin: When the eyeball undergoes degeneration, there may be a physiological sensation of soreness, which could be attributed to degenerative pain. Of course, prolonged near vision use can lead to fatigue, even if there is blindness, as the ciliary muscles responsible for ey...

[Read More] Understanding Eye Discomfort: Causes and Concerns for Vision Loss


Understanding Eye Exam Results and Medication Concerns Before Studying Abroad

Questions about ophthalmic examination content and medications? Hello Dr. Liang. I am currently 20 years old and will be going abroad for studies in a month. I recently had my last routine eye examination before leaving, but I have some concerns and questions regarding the examin...


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 Eye Exam Results and Medication Concerns Before Studying Abroad


Previous|Page Next