Understanding Eye Floaters: Causes and When to Seek Help
There are bright, thread-like lines in front of my eyes? Hello, Director Gao. Sometimes my eyes are very itchy, and after rubbing them, I notice a lot of bright, string-like lines moving in front of my eyes for a moment. They disappear completely after a few seconds to about a mi...
Dr. Gao Pilin Reply:
Hello: It is possible that there is pressure on the retina causing discharge phenomena, or that the vitreous is moving and pulling on the retina. In most cases, these symptoms do not require specific treatment. However, if you suddenly experience a significant increase in floater...[Read More] Understanding Eye Floaters: Causes and When to Seek Help
Assessing Risks of Retinal Tears and Detachment in High Myopia Patients
Check for the risk of retinal perforation or detachment? Dear Dr. Gao, I am seeking a preventive examination at the Taoyuan General Hospital due to my high myopia. Currently, there are no abnormalities when viewing the Amsler grid. The main purpose of the examination is to check...
Dr. Gao Pilin Reply:
Hello: 1. The Taoyuan General Hospital is a regional teaching hospital, so there should be no issues with retinal examinations and laser treatments. Preventive laser therapy typically carries very low risk. 2. Generally, fluorescein fundus photography is not necessary, so there i...[Read More] Assessing Risks of Retinal Tears and Detachment in High Myopia Patients
Green Laser Pointers and Eye Safety: What You Need to Know
Green laser pointer shining into the eyes? Hello doctor, I am the person who was accidentally shone with a green laser pointer during class. I went to an ophthalmology clinic for an examination, and the doctor said that my cornea was not injured. However, they did not dilate my p...
Dr. Gao Pilin Reply:
Hello: When exposed to a laser pointer, the duration is usually very short, and the likelihood of eye injury is low. Moreover, since a significant amount of time has passed and if there has been no change in vision, it is likely that there has been no damage, so you can rest assu...[Read More] Green Laser Pointers and Eye Safety: What You Need to Know
Understanding Occasional Flashing Lights in the Eye: Should You Worry?
Occasional flashes of light in the peripheral vision? Hello, Doctor. I have had floaters in my right eye for about six years, and there hasn't been much change during that time. However, in the last couple of days, I've noticed a brief flash of light that resembles a sh...
Dr. Gao Pilin Reply:
Hello: Based on your description, the brief appearance of rapid lights or flashes is usually caused by the retinal surface or some internal structures of the eye. However, it is not possible to determine whether this is related to retinal detachment or a tear based solely on this...[Read More] Understanding Occasional Flashing Lights in the Eye: Should You Worry?
Understanding Blurry Vision: Causes and When to Seek Help
Blurred vision A few years ago, my father experienced episodes of sudden blurred vision that would resolve quickly. He visited an ophthalmologist, but the examination did not reveal any significant issues, and he was prescribed some eye drops. However, in the past 2-3 months, his...
Dr. Gao Pilin Reply:
Hello: Based on the situation you described, your father is experiencing sudden blurred vision that does not improve with glasses, and no significant issues were found during the ophthalmic examination. Such symptoms can arise from various factors, some related to the eyes themse...[Read More] Understanding Blurry Vision: Causes and When to Seek Help
Post-Laser Surgery Concerns: Understanding Retinal Health and Symptoms
What to expect after retinal laser surgery? Hello, Doctor! I suddenly noticed new floaters in my vision on Thursday, and the next day, Friday, I went to the clinic for an examination. The doctor there dilated my pupils and said that the retina in my left eye was somewhat thin. Du...
Dr. Chen Anping Reply:
Hello: We recommend that you visit the ophthalmology outpatient clinic to address this issue and undergo an examination. Thank you. Hualien Hospital, Ministry of Health and Welfare, cares about your health.[Read More] Post-Laser Surgery Concerns: Understanding Retinal Health and Symptoms
Post-Retinal Detachment Surgery: Understanding Eye Symptoms and Concerns
Inquiry about the condition of the eye after retinal detachment surgery? Hello Doctor, 1. Why is it that after retinal detachment surgery, when I close my eyes to sleep at night and hear sounds (such as a neighbor closing a door, raindrops, or the sound of a motorcycle revving)...
Dr. Gao Pilin Reply:
Hello: 1. Increased sensitivity to sound and rapid photic response along with elevated heart rate when closing the eyes at night: After retinal detachment surgery, some individuals may experience heightened sensitivity to light and sound during the recovery period. This could b...[Read More] Post-Retinal Detachment Surgery: Understanding Eye Symptoms and Concerns
Understanding Floaters and Retinal Issues: When to Seek Medical Attention
Floaters and Retinal Disorders In response to the follow-up question regarding the increase in floaters, both nurses and doctors emphasize that "if there is a significant increase in black spots, it is important to seek medical attention promptly." I would like to ask h...
Dr. Gao Pilin Reply:
Hello: 1. Sudden increase in floaters or black spots: If you suddenly notice a large number of new floaters or black spots, especially if these symptoms appear suddenly, continue to increase, or spread rapidly, you should seek medical attention immediately. Use your own judgmen...[Read More] Understanding Floaters and Retinal Issues: When to Seek Medical Attention
Understanding Eye Lightning: Causes and Concerns for Vision Issues
Closed-eye visual phenomena The phenomenon of seeing flashes of light when closing the eyes, especially after a thorough dilated eye examination in early October, is concerning. Here are the questions I have: For instance, when I close my eyes in bright light, I can perceive some...
Dr. Gao Pilin Reply:
Hello: The sensation of flashes or lightning may be one of the signs of retinal abnormalities. Flashes are typically caused by the vitreous pulling on the retina due to internal fibrous changes. Floaters are small dots, lines, or cloud-like shapes seen in the visual field, usuall...[Read More] Understanding Eye Lightning: Causes and Concerns for Vision Issues
Understanding Floaters and Visual Distortions: Eye Health Insights
Eye problem consultation? Hello, Doctor. I have floaters and I usually go for an eye exam every six months to a year. Today, while using the Amsler grid, I have two questions to ask. First: Initially, I saw straight lines without any blurriness or distortion, but later, I noticed...
Dr. Gao Pilin Reply:
Hello: 1. The distortion or blurriness that appears suddenly and improves with rest is usually unlikely to be a macular issue. Macular degeneration is characterized by persistent blurriness and distortion. 2. The situation you described is more likely due to prolonged staring, wh...[Read More] Understanding Floaters and Visual Distortions: Eye Health Insights
Understanding Eye Flashes: Causes and Concerns Explained
Flashes of light in the eyes? Hello, doctor. I would like to inquire about the issue of visual flickering. I researched online and found that the flickering resembles the patterns associated with migraine aura, but I do not have a history of migraines. This occurs occasionally, a...
Dr. Gao Pilin Reply:
Hello: Based on your description, the flickering in your eyes resembles the patterns associated with migraine aura, but since you do not have a history of migraines, there could be several other reasons: 1. **Floaters**: Floaters are a common ophthalmic condition caused by opac...[Read More] Understanding Eye Flashes: Causes and Concerns Explained
Understanding Retinal Degeneration: Symptoms, Progression, and Concerns
Retinal degeneration Hello, Doctor Gao. I would like to inquire about my condition. I previously had a retinal tear that healed on its own, but in July, I underwent laser treatment for the peripheral area. Since then, I have been experiencing flashes of light above my eye, which ...
Dr. Gao Pilin Reply:
Hello: Retinal tears and retinal degeneration are different conditions of eye diseases, each with distinct characteristics and potential consequences. A retinal tear refers to a fissure or break in the retina, which may lead to retinal detachment and requires treatment to prevent...[Read More] Understanding Retinal Degeneration: Symptoms, Progression, and Concerns
Understanding Retinal Holes: Symptoms, Treatment, and Recovery Insights
Retinal tear Dear Dr. He, On November 3rd, I suddenly experienced a large black shadow in my right eye that was floating around. At first, I didn't think much of it, but while riding my scooter home after work, it transformed into a complete black spot with curved black lin...
Dr. He Jianxian Reply:
Dear Ms. Avian: Based on the situation you described, it is possible that there was a small amount of bleeding at the time of the retinal tear, and this bleeding will take some time to dissipate; it will not disappear immediately after the laser treatment. Dr. He Jianxian, Ophtha...[Read More] Understanding Retinal Holes: Symptoms, Treatment, and Recovery Insights
Understanding High Myopia and Its Impact on Eye Health
High myopia and retinal issues? Hello, Doctor. I would like to ask you some questions. Thank you, Doctor! 1. In a dimly lit room, when I cover one eye, the vision in that eye appears very blurry, as if there is noise in front of me. Could this be related to retinal or macular de...
Dr. He Jianxian Reply:
Dear Ms. M: 1 & 2: Lesions or diseases do not simply resolve on their own. 3: Theoretically, we cannot see holes in our own retina; it is more likely to be floaters. 4: If you are concerned about potential retinal issues, you should prioritize a dilated eye examination by ...[Read More] Understanding High Myopia and Its Impact on Eye Health
Can I Skydive with My Eye Conditions? A Guide for Safety
Can I still go skydiving under these circumstances? Hello Doctor: Currently, my myopia is around 600 to nearly 700. Last year, I developed physiological floaters, but my retinal examination showed that both the retina and macula are completely normal. Previously, my intraocular p...
Dr. He Jianxian Reply:
Hello Mr. Azou: I haven't heard that glaucoma or high myopia prohibits skydiving; however, individuals with recent onset myopia may face slightly higher risks when skydiving. This is related to the more pronounced degeneration of the vitreous body and retina in those with hi...[Read More] Can I Skydive with My Eye Conditions? A Guide for Safety
Understanding Post-Surgery Symptoms: Is Redness Normal After Retinal Surgery?
Retinal detachment Hello doctor, my father just had retinal surgery and it has been almost a month. Recently, when I was helping him apply eye drops, I noticed that his eye is still red. He hasn't gone outside or lifted heavy objects. I would like to ask if this indicates th...
Dr. He Jianxian Reply:
Hello Miss Hsiao-Rong: The redness in your eyes is simply conjunctival hyperemia, and a more pronounced condition would be subconjunctival hemorrhage, which is not related to surgical failure. Director Ho Chien-Hsien, Ophthalmology Department, Nantou Hospital.[Read More] Understanding Post-Surgery Symptoms: Is Redness Normal After Retinal Surgery?
Understanding Fixed Black Shadows in Vision: Causes and Concerns
Eye floaters? Thank you for taking the time to respond, Doctor. I would like to ask about an incident that occurred last week during a retinal examination at the hospital. The doctor noted that there were areas of thinning in my retina and performed preventive laser treatment. A ...
Dr. He Jianxian Reply:
Hello Mr. Zion: 1. Floaters come in various forms and are not fixed. 2. A constricted visual field means you cannot see certain things, rather than seeing extra things. 3. If applying red micro ointment before bed makes you uncomfortable, it is advisable to switch to another ...[Read More] Understanding Fixed Black Shadows in Vision: Causes and Concerns
Understanding Black Lightning and Floaters: Eye Health Insights
Black lightning, branches Hello doctor, I would like to ask you about something. Recently, when I wake up in the morning and open my eyes, I often see black branches or flashes of light. I see this in my left eye after blinking 4 or 5 times, and in my right eye after blinking twi...
Dr. He Jianxian Reply:
Hello Miss Yi-Yi: Your description resembles photopsia, which is caused by traction on the retina. It is recommended that you visit an ophthalmologist for a dilated fundus examination. Dr. Ho Chien-Hsien, Ophthalmology Department, Nantou Hospital.[Read More] Understanding Black Lightning and Floaters: Eye Health Insights
Understanding Brief Blackouts in Vision: Causes and When to Seek Help
Sometimes the eyes may experience flashes of darkness? Recently, I have been experiencing brief moments of darkness lasting a second or less, sometimes feeling like it's coming from above. The duration is very short, and it doesn't seem to be an issue with the lighting....
Dr. He Jianxian Reply:
Hello Ms. Serein: It is difficult to determine your condition. If you experienced a sudden blackout, as if the lights were turned off, lasting for several seconds or tens of seconds, it could likely be related to a thrombus issue, and you should see a cardiologist for a thorough ...[Read More] Understanding Brief Blackouts in Vision: Causes and When to Seek Help
Understanding Brief Blackouts in Vision: Causes and When to Seek Help
Sometimes the eyes may experience flashes of darkness? Recently, I have been experiencing brief moments of darkness, lasting a second or less, sometimes feeling like it's coming from above. The duration is very short, and it doesn't seem to be an issue with the lighting...
Dr. He Jianxian Reply:
Hello Ms. Serein: It is difficult to determine your condition. If you experienced a sudden blackout, as if the lights were turned off, lasting for several seconds or even tens of seconds, it is likely related to a thrombotic issue, and you should see a cardiologist for a thorough...[Read More] Understanding Brief Blackouts in Vision: Causes and When to Seek Help