Sudden Darkening of Vision: Causes and When to Seek Help
Sudden loss of vision or temporary blackout in one eye? Hello Doctor: I am a patient with high myopia, with both eyes having a myopic prescription of over -1000. I have noticed that when I wake up in the morning (around 5-6 AM, just before dawn) and my eyes are still closed, my v...
Dr. Gao Pilin Reply:
Hello: This situation is usually unlikely to be an ocular stroke (retinal artery occlusion), as ocular strokes typically present with sudden vision loss, which may involve blurriness or loss of vision in a specific part of the visual field. It is recommended that you visit an oph...[Read More] Sudden Darkening of Vision: Causes and When to Seek Help
Understanding OCT, Eye Pressure, and Eye Drop Usage for High Myopia Patients
Regarding OCT examination and the use of eye drops for lowering intraocular pressure? Hello, Doctor. I am a patient with high myopia. Previously, my intraocular pressure measured around 23-24 mmHg in both eyes (without using any eye drops). I have undergone several visual field t...
Dr. Liang Ce Reply:
Recommendations: 1. Discuss the above situation further with your attending physician. 2. Alternatively, seek consultation at another ophthalmology clinic. Thank you. Wishing you good health![Read More] Understanding OCT, Eye Pressure, and Eye Drop Usage for High Myopia Patients
Understanding Vitreous Detachment: Symptoms, Treatment, and Eye Care Tips
Vitreous body 1. Is vitreous detachment and opacification primarily a result of the aging process leading to vitreous degeneration? 2. Does vitreous detachment require treatment? Under what circumstances is treatment necessary? How can one maintain eye health? 3. Can a fundus pho...
Dr. Gao Pilin Reply:
Hello: 1. Vitreous detachment and opacities are typically not caused by age, but rather due to the aggregation of proteins or fibrous changes within the vitreous body. While aging may increase the risk of occurrence, it is not the sole cause. 2. In most cases, mild vitreous detac...[Read More] Understanding Vitreous Detachment: Symptoms, Treatment, and Eye Care Tips
Understanding Risks and Decisions in Retinal Laser Treatment for High Myopia
Issues Related to Preventive Laser Treatment for the Retina Hello Doctor: I have high myopia in both eyes, over 1000 diopters (with astigmatism of 400+). Six months ago, I had retinal tears in both eyes and underwent peripheral retinal laser treatment. Last week, I had a dilated ...
Dr. Gao Pilin Reply:
Hello: Your concerns are valid, and retinal issues need to be handled with care. Areas of retinal thinning may increase the risk of developing tears or retinal detachment, but not every area of thinning will progress to a problem. The consideration for early treatment that you me...[Read More] Understanding Risks and Decisions in Retinal Laser Treatment for High Myopia
Understanding Optic Nerve Cupping: Concerns and Questions Answered
Optic nerve cupping Dear Dr. Gao, I have recently experienced some flashes of light when closing my eyes before sleep (usually brief). Therefore, I visited a clinic the day before yesterday, and the doctor mentioned that it might be due to excessive smartphone use and advised me...
Dr. Gao Pilin Reply:
Hello: 1. Optic nerve cupping does not necessarily lead to optic nerve damage or glaucoma. Optic nerve cupping may represent a structural change in the eye, but it does not inherently mean that you will develop optic nerve damage or glaucoma. 2. Optic nerve cupping is usually not...[Read More] Understanding Optic Nerve Cupping: Concerns and Questions Answered
Managing Glaucoma and Optic Nerve Damage: Essential Care Tips
How should glaucoma and optic nerve atrophy be managed? Hello Dr. Liang, I have been nearsighted since preschool and developed high myopia in elementary school. I have been regularly monitored, but in recent years, doctors have noted elevated intraocular pressure, and I was subs...
Dr. Liang Ce Reply:
Recommendations: 1. Discuss the above situation further with your attending physician. 2. Alternatively, seek consultation at another ophthalmology medical facility. Thank you. Wishing you good health![Read More] Managing Glaucoma and Optic Nerve Damage: Essential Care Tips
Understanding Black Spots in Vision: Are They Floaters or Something More?
Black spots in the eyes? 1. I have high myopia and astigmatism of 1000 degrees in both eyes. I have experienced floaters since high school, and recently I've noticed occasionally seeing a bright black dot that doesn't resemble typical floaters. This dot does not move an...
Dr. Gao Pilin Reply:
Hello: 1. Regarding the bright black spot you described, based on your account, it differs from typical floaters. Normal floaters are usually transparent or gray and float or move within your field of vision. If you notice a bright black spot that does not move, this is differe...[Read More] Understanding Black Spots in Vision: Are They Floaters or Something More?
Understanding Eye Pressure Medications and Managing Ocular Discomfort
Could you please provide more details regarding eye pressure-lowering eye drops and the issue of elevated intraocular pressure? Hello, Doctor. Over the past two to three years, I have been having my eyes checked at a local clinic, where it was found that my intraocular pressure (...
Dr. Gao Pilin Reply:
Hello: 1. Eye pressure-lowering eye drops (such as Timolol eye drops) typically need to be used continuously to effectively reduce intraocular pressure. Once usage is stopped, the eye pressure may return to previous levels. Your physician may recommend the duration of use based o...[Read More] Understanding Eye Pressure Medications and Managing Ocular Discomfort
Do Cataracts Cause Fixed Shadows in Vision? Understanding Eye Symptoms
Can a person with cataracts see fixed dark shadows? In mid-June, I underwent a dilated eye exam, during which the doctor indicated that there were no issues and that I should return for a check-up in six months. At that time, I was uncertain if I had noticed any fixed dark spots....
Dr. Gao Pilin Reply:
Hello: 1. Symptoms of Shadows and Cataracts: High myopia and cataracts may affect the health of your eyes. Shadows may result from issues with the retina, vitreous, or other factors, but they may also be related to the development of cataracts. Cataracts can lead to blurred visio...[Read More] Do Cataracts Cause Fixed Shadows in Vision? Understanding Eye Symptoms
Understanding Flashing Lights in Vision: When to Worry About Retinal Issues
Increased photophobia? Hello, doctor. I had a fundus examination on Monday and was told everything was normal. However, today I experienced flashes of light again, so I went to see another ophthalmologist. After reviewing my records, the doctor noted that I had just had a fundus ...
Dr. Gao Pilin Reply:
Hello: The symptoms of retinal detachment include an increase in floaters, an increase in flashes of light, visual field defects, and blurred vision. There are no other more obvious symptoms. Early detection and early treatment are essential.[Read More] Understanding Flashing Lights in Vision: When to Worry About Retinal Issues
Understanding Visual Distortion: Is It a Cataract or Vision Defect?
Distortion of cataracts During the examination, the doctor mentioned that the distortion might be caused by cataracts. However, I noticed that when I look at the distorted area with one eye and place my finger on it, a portion of my finger seems to disappear (meaning a segment of...
Dr. Gao Pilin Reply:
Hello: Based on your description, you notice a missing area when viewing with one eye, and when you place your finger in that area, it also appears to be missing. Similarly, when you look with both eyes, you experience a similar situation where the defect area corresponds to the ...[Read More] Understanding Visual Distortion: Is It a Cataract or Vision Defect?
Understanding Visual Distortions from Cataracts: When to Seek Further Tests
Distorted visual field defects in cataracts? Regarding the follow-up question about visual field defects, should I undergo additional examinations? I asked the doctor at that time, but they believed it was related to cataracts, so I wasn't referred for further tests (only di...
Dr. Gao Pilin Reply:
Hello: After the examination, the physician determined that it is caused by cataracts, so observation is sufficient. I cannot assess your condition without further information. If you are concerned, you may consult a retinal specialist to evaluate whether any additional tests are...[Read More] Understanding Visual Distortions from Cataracts: When to Seek Further Tests
Understanding Eye Floaters: Causes, Symptoms, and Concerns
Floaters in the eye Since last week, I have been regularly using the eye drops prescribed by my ophthalmologist before bed. The indications state that they are for improving symptoms related to ocular muscle issues. However, I often struggle with insomnia and need to lie down for...
Dr. Gao Pilin Reply:
Hello: Based on your description, seeing a small black dot about the size of a sesame seed with your eyes closed is likely a symptom of floaters. Floaters typically refer to the sensation of seeing small specks or floating objects in your field of vision. These objects may be tin...[Read More] Understanding Eye Floaters: Causes, Symptoms, and Concerns
Frequent Flashing Lights: Understanding Causes and When to Seek Help
Frequent flashes of light? Most of the flashes of light are caused by vitreous degeneration, which pulls on the retina, and the cause of floaters is also vitreous degeneration. I would like to ask the doctor if these flashes of light will last for a long time. Recently, I have be...
Dr. Gao Pilin Reply:
Hello: The sensation of flashes is typically related to the vitreous body inside the eye, but it can also be a symptom of other eye issues. Common causes include vitreous degeneration, floaters, retinal detachment, or other retinal problems. Sometimes, the flashes may be temporar...[Read More] Frequent Flashing Lights: Understanding Causes and When to Seek Help
Understanding Vision Changes: When to Seek Eye Care for Symptoms
Cataracts, high myopia, and floaters? Following up on question 198091, I feel that my vision is slightly dim in both eyes when looking individually. Should I go to the hospital for further examination? What specific conditions would warrant a hospital visit? During my dilated eye...
Dr. Gao Pilin Reply:
Hello: Darkening of the visual field can be a symptom of various eye or systemic conditions. Here are some possible situations that may lead to darkening of the visual field: 1. Glaucoma: Glaucoma is an eye disease characterized by increased intraocular pressure that damages th...[Read More] Understanding Vision Changes: When to Seek Eye Care for Symptoms
Understanding Optic Nerve Cupping: Commonality and Risks for Myopia
Optic nerve cupping 1. Is a 50-60% optic nerve cupping considered common? 2. I have a myopia of -5.00 and accidentally hit my eye with my hand yesterday, but it wasn't hard. What is the likelihood of a retinal tear in this situation? I haven't seen any flashes of light ...
Dr. Gao Pilin Reply:
Hello: 1. The degree of optic nerve cupping can vary significantly, with a cupping of 50% to 60% being considered relatively large to some extent. The deep cupping of the optic disc may be caused by elevated intraocular pressure, glaucoma, or other optic nerve diseases. According...[Read More] Understanding Optic Nerve Cupping: Commonality and Risks for Myopia
Understanding Cataracts: Can They Cause Darkening Vision?
Cataracts, high myopia, and floaters? Doctor, can cataracts cause a sensation of dimming vision? I had a dilated eye exam on June 12, and the doctor said that the distortion I experience when looking at floor tiles is due to cataracts. The vision test results were still acceptabl...
Dr. Gao Pilin Reply:
Hello: Cataracts typically occur with aging, causing the lens in the eye to become cloudy, which affects visual quality. Cataracts can lead to issues such as blurred vision, astigmatism, changes in color perception, and reduced contrast sensitivity. In the early stages of catarac...[Read More] Understanding Cataracts: Can They Cause Darkening Vision?
Understanding Visual Shadows: Are They Normal with Floaters?
Questions about shadows in the vision and glaucoma? I have floaters and discovered a retinal tear which has been treated. During my follow-up appointment in early June, my retina was checked and found to be fine. However, about a week after the appointment, I noticed that in a fi...
Dr. Gao Pilin Reply:
Hello: The appearance of shadowy spots resembling visual afterimages after retinal laser surgery may be related to the surgical process and recovery period. Retinal laser surgery is a treatment method for retinal diseases that can cause some temporary visual changes. After retina...[Read More] Understanding Visual Shadows: Are They Normal with Floaters?
Sudden Increase in Myopia: Causes and Concerns Explained
Sudden increase in myopia? Hello, Doctor. A few days ago, I suddenly felt something unusual with my eyes while looking at my phone. I experienced a similar situation about a month ago. After visiting an ophthalmologist, I found out that my vision had worsened by approximately 50 ...
Dr. Gao Pilin Reply:
Hello: 1. A brain tumor pressing on the optic nerve may cause vision problems, but this typically occurs when the tumor is relatively large or the pressure is significant. Your previous head CT scan did not show any abnormalities, which is a good indicator for ruling out obviou...[Read More] Sudden Increase in Myopia: Causes and Concerns Explained
Understanding Unexplained Eye Symptoms: When to Seek Further Help
Eye problems Doctor, I would like to ask: If my eyes feel strange but the OCT, fundus examination, and visual field test show no issues, which specialty do you recommend I consult? Every time I zone out, I see a lot of floaters, and when I lie down, my vision becomes very blurry....
Dr. Gao Pilin Reply:
Hello: This situation is a phenomenon of floaters. When lying down, the vitreous body becomes cloudy and may settle, causing blurriness, which is normal. After changing positions, the cloudiness may shift, leading to clearer vision. Currently, there is no specific treatment for f...[Read More] Understanding Unexplained Eye Symptoms: When to Seek Further Help