Understanding Black Shadows in Vision: Causes and Solutions
Eye floaters Hello, doctor. Recently, I have been experiencing what seems to be excessive eye strain. When I look at things, I notice black shadows, but they don't resemble the spots described in floaters; they appear more like black flashes of light.
Dr. Gao Pilin Reply:
Hello: It could be 1. Vitreous floaters: The vitreous is a transparent gel-like substance that fills the interior of the eye. When some fibers or debris affect the passage of light, it may create the sensation of shadows or flashes. 2. Retinal tear: If there is a small tear or br...[Read More] Understanding Black Shadows in Vision: Causes and Solutions
Understanding the Impact of IOL Displacement After Cataract Surgery
Intraocular lens after cataract surgery Hello, my mother had cataract surgery last year, and recently she mentioned an increase in floaters. After an examination, it was found that she has a retinal tear and displacement of the intraocular lens. I researched and found that fluid ...
Dr. Gao Pilin Reply:
Hello: A retinal tear refers to a small hole or fissure in the retina. If these tears allow fluid to enter beneath the retina, it may increase the risk of retinal detachment. Displacement of the intraocular lens refers to a change in the position of the artificial lens within the...[Read More] Understanding the Impact of IOL Displacement After Cataract Surgery
Understanding Eye Flashes: Retinal Tears vs. Normal Phenomena
The sensation of closing one's eyes? How can a physician differentiate between flashes from a retinal tear and the physiological phenomenon of floaters? I see a white line moving every time I close my eyes, and I can feel it even after just having an examination.
Dr. Gao Pilin Reply:
Hello: Sometimes it can be difficult to differentiate between these two conditions, but typically, the flashes associated with a retinal tear are more intense and persistent. The best approach is to have an eye doctor examine your eyes. If there is no tear, then the flashes are l...[Read More] Understanding Eye Flashes: Retinal Tears vs. Normal Phenomena
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 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?
Understanding Retinal Tears: Symptoms and What to Expect
Retinal tear Doctor, is the flash from a retinal tear just a very bright flash that appears in front of my eyes? I'm not sure if I have floaters and am sensitive to light, but I keep seeing flashes. However, every time I get checked, the doctor says everything is fine. Yet t...
Dr. Gao Pilin Reply:
Hello: This type of flashing may persist, or it may gradually diminish or disappear. The doctor has examined you and found no issues, so you should feel reassured. If there are no changes afterward, you can have a check-up every six months. If there are any changes, regardless of...[Read More] Understanding Retinal Tears: Symptoms and What to Expect
Post-Retinal Detachment Surgery Recovery: What to Expect
Recovery after retinal detachment surgery? I underwent a left eye retinal tear detachment surgery with SF6 gas injection and laser repair three weeks ago. The doctor stated that there are no signs of recurrence, and the reattachment status is normal. I need to tilt my head to the...
Dr. He Jianxian Reply:
Hello Ms. ShinyV: 1. The overall assessment of the vitreous opacities should wait until the gas dissipates. 2. The main issue with gas tamponade is the increased risk of cataract formation, which is greater the longer the gas remains. 3. Sometimes, laser treatment can be chal...[Read More] Post-Retinal Detachment Surgery Recovery: What to Expect
Understanding Flashing Lights in Your Vision: Causes and Concerns
Visual flashes Hello, doctor. The flash sensation from a retinal tear is similar to what kind of flash? Recently, my eyes suddenly flash for a moment, but it's mostly lines; the light is not too bad.
Dr. Gao Pilin Reply:
Hello: The sensation of flashes associated with a retinal tear is often described as flickering or flashing, resembling the appearance of lightning or sparks. These flashes are caused by holes or tears in the surface of the retina. The sensation of flashes from a retinal tear is ...[Read More] Understanding Flashing Lights in Your Vision: Causes and Concerns
Understanding Vitreous Issues: Symptoms, Causes, and Effects on Vision
Vitreous issues Hello Doctor, when I lie down and look at the ceiling, I see a pattern that resembles a spinning fan. Is this also a type of floaters? Why does it look different from what I usually see in the sky? Can floaters change with posture? Also, does vitreous detachment c...
Dr. Gao Pilin Reply:
Hello: Seeing a rotating image similar to a fan while lying down and looking at the ceiling may be a visual phenomenon known as "spontaneous retinal oscillation," rather than traditional floaters. Spontaneous retinal oscillation is a common phenomenon in the visual syst...[Read More] Understanding Vitreous Issues: Symptoms, Causes, and Effects on Vision
Post-Scleral Buckling Surgery: Vision, Pain, and Recovery Insights
Postoperative issues related to vision, visual field, and pain after scleral buckle surgery? Dear Doctor, I have experienced a retinal tear and detachment in my right eye, for which I underwent scleral buckle surgery in mid-March of this year. Postoperatively, due to subretinal ...
Dr. Gao Pilin Reply:
Hello: 1. Based on the symptoms you described, the tightness, pain around the eyes, tingling, and foreign body sensation may be normal reactions following scleral buckle surgery. The eyes may require a longer time to recover and adapt, especially during prolonged near-vision ac...[Read More] Post-Scleral Buckling Surgery: Vision, Pain, and Recovery Insights
Understanding Flashing Lights in Your Vision: Causes and Concerns
Flashes or flickering during eye movement? Dear Dr. Gao, I am Mr. Chen, the one who previously asked you about the issue of experiencing pinpoint flashes when moving my eyes. I sincerely appreciate your professional and detailed response despite your busy schedule. Regarding yo...
Dr. Gao Pilin Reply:
Hello: Regarding your question, the persistence and progression of photopsia symptoms can vary depending on individual circumstances. For most people, photopsia is typically caused by vitreous degeneration and traction, which is a normal phenomenon that occurs with aging. However...[Read More] Understanding Flashing Lights in Your Vision: Causes and Concerns
Could Flashing Lights Indicate Retinal Detachment in Myopia?
Retinal detachment Yesterday, when I closed my eyes before sleeping, I experienced a slight sensation of flashing lights. I currently have a myopia of about 200 degrees. Could this be a sign of retinal detachment?
Dr. Gao Pilin Reply:
Hello: Retinal detachment is a condition where the retina separates or detaches from the inner wall of the eye, which can lead to vision impairment. Common symptoms include flashes of light, floaters (dark spots or lines that flicker or drift in the field of vision), blurred visi...[Read More] Could Flashing Lights Indicate Retinal Detachment in Myopia?
Understanding Flashing Lights in Your Vision: Causes and Concerns
Flashes of light appearing as dots during eye movement? Hello, doctor. Last month, I experienced floaters in my left eye. After undergoing a dilated fundus examination at the hospital, it was determined that my retina was normal and that this was a physiological degenerative phen...
Dr. Gao Pilin Reply:
Hello: Based on your description, you have recently experienced spotty flashes or flickering in your right eye, particularly when moving your eye up and down or when moving your head. This symptom may be related to the following conditions: 1. Vitreous floaters: The gel-like subs...[Read More] Understanding Flashing Lights in Your Vision: Causes and Concerns
Understanding Myopia Progression and Eye Health in Taiwan: Key Insights
Myopia degree 1. I started wearing orthokeratology lenses in sixth grade, with prescriptions of L: -6.75 and R: -6.25. After stopping for a year, my prescription changed to L: -6.50 and R: -5.75. Does this indicate that my myopia has worsened? 2. Are there many people in Taiwan...
Dr. Gao Pilin Reply:
Hello: 1. According to the data you provided, your left eye has changed from -675 diopters to -650 diopters, and your right eye has changed from -625 diopters to -575 diopters. This indicates a slight decrease in your myopia over the course of a year. 2. According to statistical ...[Read More] Understanding Myopia Progression and Eye Health in Taiwan: Key Insights
Post-Laser Surgery Eye Care: Medication Timing and Activity Guidelines
Post-operative medication issues after retinal laser surgery? I discovered a retinal tear in my right eye last October and underwent laser photocoagulation on October 28. I have been recovering well, with follow-up appointments every three months. Recently, on May 17, I found a r...
Dr. Liang Ce Reply:
Suggestions: 1. Discuss the above situation further with your attending physician. 2. Alternatively, consult with another ophthalmology medical facility. Thank you. Wishing you good health![Read More] Post-Laser Surgery Eye Care: Medication Timing and Activity Guidelines
Potential Eye Damage from Repeated Close Flash Photography
The flash has been directed at the eyes more than twenty times? Tonight, I wanted to use my phone's flash to take pictures inside my nostrils. However, I inadvertently took close-up shots of my eyes with the flash [within 10 centimeters of my eyes] as many as 25 times in und...
Dr. Gao Pilin Reply:
Hello: Based on your description, your eyes have returned to normal, and there is no ongoing discomfort, so you don't need to worry about losing your vision, and there should be no lasting effects. However, to ensure your eye health, it is recommended that you monitor your c...[Read More] Potential Eye Damage from Repeated Close Flash Photography
Overcoming the Fear of Retinal Detachment: Common Concerns and Symptoms
Fear of retinal detachment? Last year, I sought medical attention due to seeing floaters in my vision, and upon examination, a retinal tear was discovered in my right eye. It was successfully treated with laser therapy and has healed well. However, since then, I have been fearful...
Dr. He Jianxian Reply:
Hello, Anonymous: Since you regularly undergo dilated fundus examinations, you don't need to be overly anxious about retinal detachment. The related precursor symptoms include a sudden increase in floaters or frequent occurrences of "flashes" in your vision. If you...[Read More] Overcoming the Fear of Retinal Detachment: Common Concerns and Symptoms
Preventive Laser Surgery for High Myopia: What You Need to Know
Preventive laser surgery I have high myopia and have noticed that upon waking up in the morning, one eye experiences a few minutes of black fog, which then returns to normal. Occasionally, I also see flashes in my vision. After visiting the hospital, the doctor assessed that my r...
Dr. Gao Pilin Reply:
Hello: 1. If the retina is thin and there is a history of high myopia, prophylactic laser treatment is a relatively common therapeutic approach. This is because high myopia increases the risk of retinal detachment, which is a serious visual problem that can even lead to blindness...[Read More] Preventive Laser Surgery for High Myopia: What You Need to Know
Impact of Direct Flash Exposure on Eye Health: Risks and Concerns
The eyes were directly exposed to a flash of light? On April 25th at 5 PM, I used my phone's selfie function to take a close-up photo of my left eye (within 10 to 15 centimeters) and forgot to turn off the flash. The flash directly illuminated my eye, causing my vision to go...
Dr. Cai Wenyuan Reply:
Observe the symptoms, and if they persist, seek medical evaluation.[Read More] Impact of Direct Flash Exposure on Eye Health: Risks and Concerns
Understanding Retinal Thinning in High Myopia: Causes and Implications
Thinner retina? High myopia only causes retinal tears in a small percentage of individuals, which suggests that high myopia may lead to thinning of the peripheral retina, making it less likely to develop tears.
Dr. Gao Pilin Reply:
Hello: The incidence of retinal tears is indeed higher in individuals with high myopia, but not all individuals with high myopia will experience retinal tears. Retinal tears occur due to the elongation of the eyeball, which causes areas of the retina that are weak to be more susc...[Read More] Understanding Retinal Thinning in High Myopia: Causes and Implications