Understanding Vitreous Liquefaction and Macular Fog After Eye Surgery
Vitreous liquefaction? White haze in the macula? Hello Doctor, my left eye has a vision of 1300 and my right eye has a vision of 1100. I underwent retinal detachment surgery in my left eye 28 years ago, and my vision was 0.8 post-surgery. Recently, I had cataract surgery on my le...
Dr. Gao Pilin Reply:
Hello Mr. Kuo: 1. I cannot speculate on this situation; it is best to rely on the diagnosis of your attending physician. 2. The degeneration of the vitreous body can lead to such phenomena. As your attending physician mentioned, it is necessary to adapt to its presence, and this...[Read More] Understanding Vitreous Liquefaction and Macular Fog After Eye Surgery
Understanding Asymmetrical Optic Nerves and Glaucoma Risks
Glaucoma with optic nerve asymmetry? Hello Doctor, I am 23 years old and have high myopia in both eyes, over 1000 diopters. Recently, I went for an eye examination, and the ophthalmologist mentioned an issue with asymmetry of the optic nerve (I don't recall them mentioning o...
Dr. Gao Pilin Reply:
Hello Mr. Chen: The optic nerve in individuals with high myopia can exhibit different morphologies. Each person's optic nerve has its own unique appearance, but generally, the shapes of both eyes should be similar. If there is a significant difference between the two eyes, i...[Read More] Understanding Asymmetrical Optic Nerves and Glaucoma Risks
Understanding Eye Strain During Menstruation and Glaucoma Risks
During menstruation, the eyes can feel very fatigued? Hello, doctor. During my menstrual period, my eyes feel particularly dry and sensitive to light, and I easily get fatigued. Is this normal? Additionally, I would like to ask about glaucoma. Seven to eight years ago, during an ...
Dr. Gao Pilin Reply:
Hello, Ayou: During menstruation, hormonal changes can lead to the dilation of blood vessels in the eyes, resulting in symptoms such as ocular congestion. This may sometimes also trigger headaches, leading to discomfort in the eyes. Individuals with myopia may have a more pronoun...[Read More] Understanding Eye Strain During Menstruation and Glaucoma Risks
Is Eye Pressure High If My Eyes Feel Swollen? Understanding Symptoms and Concerns
Is a feeling of puffiness in the eyes indicative of high intraocular pressure? Hello, I often feel pain and pressure in my left eye, along with headaches, so I saw two ophthalmologists last month. The first doctor measured my eye pressure using a puff test, which showed (left) 30...
Dr. He Jianxian Reply:
Hello, using finger pressure to measure intraocular pressure is absolutely inaccurate, and even very experienced physicians do not use this method to assess eye pressure. The sensation of eye fullness usually comes from tension in the surrounding eye muscles, and appropriate rest...[Read More] Is Eye Pressure High If My Eyes Feel Swollen? Understanding Symptoms and Concerns
Understanding Glaucoma: Managing Eye Health and Vision Loss Risks
Glaucoma, Vision Care Hello, I am a 40-year-old software engineer with refractive errors of -4.50 and -4.75. Out of curiosity, I tried the Amsler grid and discovered that when I cover one eye, I cannot see the upper left corner clearly with my right eye while focusing on the cent...
Dr. He Jianxian Reply:
Hello Louis: 1. Glaucoma can occur in just one eye! 2. If intraocular pressure is well controlled, the likelihood of optic nerve damage decreases, and it does not necessarily lead to blindness. 3. Unless you are bored with your current job, there is no need to change jobs; glauco...[Read More] Understanding Glaucoma: Managing Eye Health and Vision Loss Risks
Understanding Fixed Black Spots in Vision: Possible Causes and Next Steps
There is a small dark shadow in the line of sight of the right eye, and its position is fixed? Hello Doctor, last Thursday (5/7), I noticed an abnormality in my right eye while looking at my phone. When reading, some words appear blurry or have missing parts, and I experience a h...
Dr. Gao Pilin Reply:
Hello Eric: Based on your description, it seems more like posterior vitreous detachment, which can produce a ring-like shadow known as a Weiss ring. This ring is formed at the location where the vitreous separates from the optic nerve, so it appears relatively fixed in your visio...[Read More] Understanding Fixed Black Spots in Vision: Possible Causes and Next Steps
Protecting Your Eyes: Light Sources and Exercise for Retina Health
Light Source and Motion Problems Dear Doctor, I would like to inquire about the current situation regarding light sources in dark rooms and exercise issues for patients with retinal diseases. I have high myopia of -9.00 diopters in one eye and have undergone laser treatment to p...
Dr. Gao Pilin Reply:
Hello: 1. It should be possible, but it may lead to increased fatigue. 2. For standards of illuminance from light sources, you can refer to the link below: https://bit.ly/3dej33z. There is no defined threshold for excessive brightness; the principle is to avoid glare. 3. A signif...[Read More] Protecting Your Eyes: Light Sources and Exercise for Retina Health
Impact of Eye Conditions on Visual Field Testing Accuracy
Visual field examination Hello, Doctor: I would like to ask if during a visual field test, if one eye is covered and the covered eye can still perceive some light from the instruments through a tissue, will this affect the accuracy of the test? For the next test, would it be bett...
Dr. Gao Pilin Reply:
Hello Ms. P: Having tissue paper in place should not affect the results of the examination, as the visual field test is conducted for only one eye at a time. High myopia can inherently cause some changes in the optic nerve head, which can sometimes be difficult to differentiate f...[Read More] Impact of Eye Conditions on Visual Field Testing Accuracy
Is Self-Testing Eye Pressure Reliable? Understanding Your Eye Health Concerns
Is the finger prick method accurate? Hello, I often feel pain and pressure in my left eye, along with headaches, so I saw two ophthalmologists last month. The first doctor measured my eye pressure using a puff test, which showed (left) 30 and (right) 28. However, the doctor said ...
Dr. Cai Wenyuan Reply:
Is the finger measurement method accurate? Please do not attempt it.[Read More] Is Self-Testing Eye Pressure Reliable? Understanding Your Eye Health Concerns
Understanding Eye Pressure, Glaucoma Concerns, and Self-Assessment Methods
Regarding intraocular pressure, glaucoma, and the method of palpation? Hello, I often feel pain and pressure in my left eye, along with headaches, so I saw two ophthalmologists last month. The first doctor measured my intraocular pressure using a puff test, which showed (left) 30...
Dr. Gao Pilin Reply:
Hello Isa: Your condition is likely due to eye strain from excessive use, causing a sensation of pressure and pain in your eyes. It is not glaucoma. Ciliary muscle tension can also lead to this feeling of pressure. Even experienced physicians cannot accurately assess intraocular ...[Read More] Understanding Eye Pressure, Glaucoma Concerns, and Self-Assessment Methods
Understanding Retinal Tears: Concerns, Symptoms, and Treatment Options
Follow-up on retinal traction issues? Hello Dr. Gao, I am the questioner Tong from #155019. I have a few more questions regarding retinal traction that I would like to ask you. Thank you. Regarding the previous questions: 1. Will retinal traction become more severe over time?...
Dr. Gao Pilin Reply:
Hello, 1. The pulling sensation is still present and slightly more than last time. This pulling is a normal phenomenon of vitreous degeneration and does not necessarily lead to retinal detachment; sometimes it is just a transitional phase. 5. Does vitreous degeneration always...[Read More] Understanding Retinal Tears: Concerns, Symptoms, and Treatment Options
Understanding Macular Issues: Distorted Vision and Potential Causes
Macular issues Could the distortion of straight lines that disappears after a while be due to macular edema? In mid-January of this year, I noticed a bright spot in my right eye when I blinked at night. Later, I used an Amsler grid and found a small dark spot in the upper right q...
Dr. He Jianxian Reply:
Hello Mr. A-Nan: Basically, if you have undergone a dilated fundus examination and OCT without any findings, it is likely that there are no significant lesions. As for why you are experiencing distortion in your visual field despite the absence of lesions, I do not have a suitabl...[Read More] Understanding Macular Issues: Distorted Vision and Potential Causes
Understanding Optic Nerve Abnormalities: Symptoms and Next Steps
Optic nerve abnormalities Hello Doctor: I have approximately -7.50 diopters of myopia in both eyes. Recently, when I close my eyes in a dark place and then open them, I see a black shadow in the center that lasts for 2 to 3 seconds before disappearing. When reading a line of text...
Dr. Gao Pilin Reply:
Hello Mr. Li: There may not be an urgent need for a visual nerve examination, but it would be advisable to first consult a neurologist regarding your hand tremors, as they could potentially be related to an eye issue. The ophthalmology department at Puzi Hospital in Taiwan is ava...[Read More] Understanding Optic Nerve Abnormalities: Symptoms and Next Steps
Understanding and Managing Post-Retinal Surgery Visual Tremors
Eight months after retinal surgery, there is an occurrence of visual field oscillation? Hello Doctor, I had retinal detachment surgery eight months ago. The flickering phenomenon in my upper visual field had stopped before the surgery, but it has recently reappeared in the same l...
Dr. Gao Pilin Reply:
Hello, NA: According to your description, there was previously vibration caused by retinal detachment, which improved after surgery. Now, if there is again vibration in the retina, it is possible that there is another occurrence of retinal detachment. This vibration may be due to...[Read More] Understanding and Managing Post-Retinal Surgery Visual Tremors
Understanding the Increase in Floaters: Causes and When to Seek Help
The number of floaters has slightly increased? Dear Dr. Gao, I have been suffering from floaters for several years, and I recently noticed a slight increase in their quantity, but there are no accompanying symptoms such as flashes of light or visual field loss. I would like to a...
Dr. Gao Pilin Reply:
Hello, Ah-Hsiang: 1. No, there is no correlation between the two. 2. Also no, floaters are simply a result of vitreous degeneration. 3. This is likely a normal degenerative phenomenon, but I still recommend that you undergo a dilated eye examination. If everything is fine, yo...[Read More] Understanding the Increase in Floaters: Causes and When to Seek Help
Understanding Fixed Black Spots in Vision: Causes and Concerns
There are fixed black spots in the eye? Hello, Doctor. About two weeks ago, while sleeping on my stomach, I suddenly felt a sharp pain in my eye. I accidentally splashed some hypochlorous acid solution into my eye. Since then, I have been seeing two fixed small black spots that m...
Dr. Gao Pilin Reply:
Hello Ms. Jiang: This black spot is likely unrelated to sleeping on your stomach or exposure to hypochlorous acid; it seems to be an issue with the vitreous body. Please observe it yourself, and if it remains the same, there is no need to worry; it may just be floaters or posteri...[Read More] Understanding Fixed Black Spots in Vision: Causes and Concerns
Seeing Floating Light Spots in Darkness: Eye Health Concerns Explained
Seeing small points of light in the dark? Hello, doctor. Recently, I have noticed some small floating light spots in the dark, somewhat similar to floaters, which disappear after a few seconds without any flashes. I have myopia of -6.25 diopters in my right eye and -5.25 diopters...
Dr. Gao Pilin Reply:
Hello, Student Zhang: The dilated eye examination showed no issues, and it may simply be a case of floaters, which is not a major concern. You can monitor it yourself and have regular check-ups. Regarding intraocular pressure, if it is slightly elevated, it would be advisable to ...[Read More] Seeing Floating Light Spots in Darkness: Eye Health Concerns Explained
Understanding Degenerative Myopia: Is It a Serious Eye Condition?
Degenerative myopia Hello Doctor: I recently had an eye examination and was diagnosed with myopia of -6.00 in my left eye and -7.50 in my right eye. The fundus imaging of the macula and visual field tests showed no significant issues, except for a previous retinal tear in my left...
Dr. Gao Pilin Reply:
Hello Yizhen: Degenerative myopia refers to myopia that leads to certain retinal changes, such as peripheral thinning or the presence of holes. If the holes have been treated with laser, then regular check-ups are sufficient. If your doctor has not scheduled a follow-up appointme...[Read More] Understanding Degenerative Myopia: Is It a Serious Eye Condition?
Managing Eye Discomfort: Long-Term Use of Eye Drops and Treatment Options
Two questions? Since last October, I have been experiencing a persistent sensation of heaviness and discomfort in my eyes. I have undergone dilation and visual field tests, but nothing significant was found. Each time, the doctor prescribes me a bottle of cyclopentolate eye drops...
Dr. Gao Pilin Reply:
Hello: Sancoba is vitamin B12, and long-term use has no side effects. Brown discoloration in the sclera may be due to pigmentation, or it could be related to pinguecula or pterygium, which are generally benign changes. Eye discomfort can be attributed to either dry eyes or excess...[Read More] Managing Eye Discomfort: Long-Term Use of Eye Drops and Treatment Options
Managing Eye Discomfort: Long-Term Use of Eye Drops and Treatment Options
Two questions? Since last October, I have been experiencing a persistent sensation of heaviness and discomfort in my eyes. I have undergone dilation and visual field tests, but nothing significant was found. Each time, the doctor prescribes me a bottle of cyclopentolate eye drops...
Dr. Gao Pilin Reply:
Hello: Sancoba is vitamin B12, and long-term use has no side effects. The brown discoloration in the sclera may be due to pigmentation, or it could be related to pinguecula or pterygium, which are generally benign changes. Eye discomfort can be caused by dry eyes or excessive use...[Read More] Managing Eye Discomfort: Long-Term Use of Eye Drops and Treatment Options