Understanding Visual Disturbances: Black Flashes and Brightness Issues
Experiencing brief flashes of darkness in the vision, similar to a flickering light, and occasionally noticing fluctuations in brightness (sometimes appearing dim or bright) after looking at a screen for an extended period? Hello Doctor, I am 43 years old and have myopia of -6xx/...
Dr. Gao Pilin Reply:
Hello JC: If all the tests are normal, I cannot determine the cause from that. The most likely relationship is that the vitreous is pulling on the retina. This aspect cannot be detected through examination. The sensation of movement is likely caused by the movement of the vitreou...[Read More] Understanding Visual Disturbances: Black Flashes and Brightness Issues
Understanding Double Vision After Retinal Laser Surgery: Causes and Recovery
Double vision after retinal laser surgery? Hello Doctor, I underwent laser treatment for my left eye's retina about two weeks ago. Since then, I have been experiencing double vision and difficulty focusing, which has affected my work. I would like to ask: 1. Can retinal lase...
Dr. Chen Anping Reply:
Xiao Qiu: Hello, it is recommended that you consult the physician who performed the laser procedure for the best advice. Hualien Hospital, Ministry of Health and Welfare, cares about your health.[Read More] Understanding Double Vision After Retinal Laser Surgery: Causes and Recovery
Understanding Black Flashes in Vision: Are They Related to Floaters?
The appearance of black flashes in the eyes? Hello Doctor, thank you for your previous response. However, the black flashes I see when lying down do not move like floaters; they just flash and disappear. Does this also count as a type of floaters, or could it be another symptom? ...
Dr. Gao Pilin Reply:
Hello: Generally speaking, if normal function is restored, there is usually no cause for concern; it is likely just a physiological phenomenon. It may also be a result of retinal discharge. If it does not occur again, you can monitor the situation. However, if it happens frequent...[Read More] Understanding Black Flashes in Vision: Are They Related to Floaters?
Understanding Eye Symptoms: When to See a Neurologist for Flickering Vision
I am #179895? Thank you, Dr. Gao, for your prompt response. This morning, I went to the ophthalmology department for an examination. The doctor performed a dilated fundus examination and diagnosed that both my retina and eyes are normal. He suspects that it might be an issue rela...
Dr. Gao Pilin Reply:
Hello, Xiao Wen: If the examination of the retina shows no issues, it may be related to other factors. The vascular problems mentioned by the doctor are possible, and this phenomenon should be monitored. Issues with the vitreous are also possible, and observation is sufficient.[Read More] Understanding Eye Symptoms: When to See a Neurologist for Flickering Vision
Understanding Flashing Black Spots in Your Vision Upon Waking
When waking up, my eyes flash with darkness? When I just woke up in a dark room, I suddenly felt a flickering sensation in my eyes, similar to an old television with incorrect frequency. It seemed to affect only one eye, and the flickering was in shades of black and gray. I'...
Dr. Gao Pilin Reply:
Hello, Xiao-Wen: This could be a phenomenon caused by vitreous traction on the retina. It is recommended that you visit an ophthalmologist for an examination.[Read More] Understanding Flashing Black Spots in Your Vision Upon Waking
From Floaters to Fear: Understanding Eye Health and Anxiety
From visual snow syndrome to psychiatric disorders? I have been very worried and scared lately due to my floaters, to the point that I fear I might go blind every time I wake up. I’ve heard that floaters are caused by the aging of the eye, leading to the liquefaction of the vitre...
Dr. Gao Pilin Reply:
Hello Mr. Wu: This is usually harmless, and if the examination shows no issues, you can rest assured. Many people experience this phenomenon, so there is really no need to worry too much. However, it would be best to consult an ophthalmologist. If you continue to feel down, it wo...[Read More] From Floaters to Fear: Understanding Eye Health and Anxiety
Understanding Floaters and Retinal Degeneration: A Student's Concerns
Vitreous floaters and retinal degeneration issues? Hello, doctor. I am a 20-year-old student with high myopia, with a prescription of -6.50 in my left eye and -9.00 in my right eye. I started noticing floaters about two years ago (I can hardly see floaters in my right eye, but I ...
Dr. Gao Pilin Reply:
Hello Lily: 1. A dilated fundus examination is the same as a fundoscopic examination. 2. Mydriatic agents relax the ciliary muscle, which helps slow the progression of myopia. Other than that, there should be no significant effects. 3. Whether the lights are turned off or not has...[Read More] Understanding Floaters and Retinal Degeneration: A Student's Concerns
Understanding Visual Disturbances: Flickering and Night Vision Issues
Flashing lights in front of the eyes upon waking and decreased night vision? Hello Doctor, I am 43 years old and had laser surgery for my myopia at the age of 27 (approximately -9.00 diopters at that time). I have been experiencing presbyopia in my left eye for about two years....
Dr. Gao Pilin Reply:
Hello, Anxiety Xiao-Hui: 1. It is likely a vitreous issue. 2. You can schedule an appointment with an ophthalmologist for an examination. 3. Vitreous traction on the retina can cause this situation, often due to changes in your position upon waking. Please do not be overly anxiou...[Read More] Understanding Visual Disturbances: Flickering and Night Vision Issues
Understanding Post-Retinal Laser Surgery Visual Disturbances
Post-Retinal Laser Surgery Hello, Doctor. I had retinal laser surgery six months ago, and I recently had an eye exam where my vision was found to be stable. However, just now I suddenly saw striped patterns in my vision (similar to a water mark), and it persisted even after I too...
Dr. Gao Pilin Reply:
Hello, when the vitreous body degenerates, this kind of situation can occur. When fluid enters the vitreous cavity, this phenomenon happens. This phenomenon will return to normal after a while.[Read More] Understanding Post-Retinal Laser Surgery Visual Disturbances
Managing Raised Sutures After Retinal Detachment Surgery: Safe Solutions
After retinal detachment surgery, if the wound sutures are slightly raised, how can this be managed? Hello, doctor. Over a year ago, I underwent retinal detachment surgery on my right eye. Since then, one of the sutures on the surface of my eye has been slightly raised, often cau...
Dr. Gao Pilin Reply:
Hello, Ah Cheng: If the bumps are caused by the sutures, it may be necessary to remove the sutures to restore the area. It would be advisable to have a physician evaluate whether this is feasible.[Read More] Managing Raised Sutures After Retinal Detachment Surgery: Safe Solutions
Understanding Lattice Degeneration: Causes, Risks, and Eye Care Tips
Lattice degeneration In the past week, I have noticed a transparent, strip-like object in my left eye that moves with my line of sight. After visiting a nearby ophthalmology clinic, the doctor diagnosed me with lattice degeneration, which is present in both eyes and located at th...
Dr. Gao Pilin Reply:
Hello, Miss Lin: 1. It is a type of retinal degeneration that is more commonly observed in individuals with myopia, but it is not absolute. The cause is unknown. 2. Laser treatment can be applied to the peripheral areas of degeneration to prevent future retinal tears and retin...[Read More] Understanding Lattice Degeneration: Causes, Risks, and Eye Care Tips
Understanding Vitreous Degeneration and Floaters: What You Need to Know
Vitreous degeneration with floaters? Hello, doctor: When I close my eyes, I often see a yellow circle that seems to float. I understand that this is due to vitreous degeneration. I have a myopia of 1000 degrees, and my retinal examination shows that the retina is healthy. I have ...
Dr. Gao Pilin Reply:
Hello Amy: It is not possible to know on your own. Additionally, not everyone will experience posterior vitreous detachment. Even if detachment occurs, it may not be complete. Plank exercises should be fine. However, exercises that involve vigorous head movements are not recommen...[Read More] Understanding Vitreous Degeneration and Floaters: What You Need to Know
Understanding Visual Persistence: Causes and Concerns in Eye Health
Visual persistence Hello doctor, I have recently been experiencing more severe visual persistence. For example, when I look at streetlights at night, I still see bright spots for about 5 seconds after I look away. Could this be due to some underlying issue? Is it related to the r...
Dr. Gao Pilin Reply:
Hello, Duck: When the eyes are exposed to light stimulation, the photopigments in the retina are rapidly broken down. During the recovery process, afterimages may occur, which is a normal physiological phenomenon.[Read More] Understanding Visual Persistence: Causes and Concerns in Eye Health
Understanding Vision Distortion and Optic Nerve Degeneration After Silicone Oil Surgery
Post-aspiration visual field and optic nerve degeneration? Hello, Doctor. I underwent silicone oil removal surgery for my left eye (with a myopia degree of over 500) on January 19. After a week, during my follow-up appointment, I informed the surgeon that my central vision was st...
Dr. He Jianxian Reply:
1. Macular degeneration cannot be detected during surgery. 2. Irregularities or improper repositioning of the retina after reattachment may lead to visual distortions. 3. There is no precise timeline; typically, a duration of six months to a year is possible. 4. It should n...[Read More] Understanding Vision Distortion and Optic Nerve Degeneration After Silicone Oil Surgery
Does Forceful Blinking or Eye Closure Increase Glaucoma Risk?
Is prolonged forceful blinking or closing of the eyes likely to cause glaucoma? Hello, Doctor. I have high myopia and astigmatism (over 600 degrees of myopia and over 200 degrees of astigmatism). My last eye pressure measurement was slightly high, around 16-17 mmHg, and I also ha...
Dr. Liang Ce Reply:
It is recommended that you visit an ophthalmology outpatient clinic for consultation, so that the physician can provide a proper assessment. Thank you, and wishing you good health![Read More] Does Forceful Blinking or Eye Closure Increase Glaucoma Risk?
Understanding Floaters: Risks and Retina Health for Myopia Patients
Vitreous Floaters Examination Hello, Doctor. I have high myopia, and last month I was diagnosed with floaters at a general ophthalmology clinic. Recently, the floaters have increased, and I experienced flashes, so I went to a large hospital for an examination yesterday. The docto...
Dr. Cai Wenyuan Reply:
1. Same meaning 2. No 3. Observe and see; seek medical attention if there is deterioration 4. Not necessarily.[Read More] Understanding Floaters: Risks and Retina Health for Myopia Patients
Essential Eye Care Tips: Monitoring Symptoms and Safe Activities
I am the questioner #179323? Hello Doctor, thank you for answering my questions. Since the symptoms are not recent and infrequent, I have decided to observe for now. I would like to further inquire about what to look for during this observation. Is it sufficient to monitor for an...
Dr. Gao Pilin Reply:
Hello, Pear: That's correct. Observation should focus on whether there is an increase in floaters and light sensitivity, as well as any presence of shadows in the visual field or a rapid decline in vision. There is no need to avoid looking at light sources. Light sensitivity...[Read More] Essential Eye Care Tips: Monitoring Symptoms and Safe Activities
Occasional Light Sensation with Eyes Closed After Retinal Surgery
Occasionally experiencing light perception with closed eyes? Hello Doctor, I underwent laser surgery on my right eye about three weeks ago to reinforce a thinning retina. For the past couple of days, when lying down with my eyes closed and moving my right eye or head, I occasiona...
Dr. Gao Pilin Reply:
Hello, this may be caused by vitreous traction on the retina. If it has been persistent, you can monitor it; however, if it just occurred, it would be better to get it checked. Using gel may slow down the drainage of tears, which could lead to tearing.[Read More] Occasional Light Sensation with Eyes Closed After Retinal Surgery
Understanding Macular Scarring After Retinal Surgery: Causes and Concerns
Macular scarring of the retina? Hello, doctor. My mother underwent gas tamponade surgery for retinal detachment in June of the year before last. In May of last year, she visited another clinic for a check-up and discovered there was a problem with scarring. In December of last ye...
Dr. Gao Pilin Reply:
Hello Angela: After retinal surgery, the area where the detachment occurred may heal and form a scab. If laser treatment was performed, scabbing can also occur. The formation of scabs is necessary for the detached retina to adhere tightly. The cornea is the outermost part of the ...[Read More] Understanding Macular Scarring After Retinal Surgery: Causes and Concerns
Post-Retinal Detachment Surgery: Is Scleral Buckling Necessary for Fluid Issues?
Post-retinal detachment surgery fluid accumulation issues? On November 12, 2021, I underwent vitrectomy and laser surgery. During my follow-up visits, the surgeon mentioned that there is still an issue with "fluid accumulation." Three weeks ago, I had a macular and fund...
Dr. He Jianxian Reply:
If the fluid accumulation persists for too long, it is indeed necessary to consider performing a scleral buckle procedure for your reference. Dr. Ho Chien-Hsien, Department of Ophthalmology, Nantou Hospital.[Read More] Post-Retinal Detachment Surgery: Is Scleral Buckling Necessary for Fluid Issues?