Floaters, Ophthalmology FAQ - Page 2

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Should You Avoid Jumping Exercises If You See Flashing Lights?

Vitreous degeneration Hello doctor, I recently noticed that when I jump in place, I see flashes of light. Should I avoid activities like jumping rope or jumping jacks that trigger these flashes?


Dr. Gao Pilin Reply:
Hello: You mentioned experiencing flashes while jumping in place, which may be related to vitreous degeneration. The vitreous is a gel-like substance inside the eye that can gradually liquefy or separate from the retina with age or under certain conditions, a situation known as v...

[Read More] Should You Avoid Jumping Exercises If You See Flashing Lights?


Post-Surgery Concerns: Black Spots in Vision After Retinal Detachment

Two and a half months post-surgery, I see small black spots in my vision? Hello, Doctor. My mother underwent retinal detachment surgery on April 23 of this year, utilizing scleral buckle technique. During her follow-up appointment in May, she received additional laser treatment f...


Dr. Gao Pilin Reply:
Hello: Possible reasons for the appearance of small black spots after surgery: 1. **Floaters**: The appearance of small black spots after retinal detachment surgery may be due to floaters. This occurs because the gel-like substance in the vitreous humor changes with age or post-...

[Read More] Post-Surgery Concerns: Black Spots in Vision After Retinal Detachment


Understanding Eye Ultrasound: Safety and What to Expect

Ocular ultrasound examination Hello, Doctor: Today, I noticed a brief appearance of a white fog and went to see an ophthalmologist. The ophthalmologist performed an ultrasound examination to check for floaters and applied anesthetic drops before the procedure. I felt no discomfor...


Dr. Gao Pilin Reply:
Hello: 1. Safety of Ocular Ultrasound Examination Ocular ultrasound examination is a very safe and commonly used diagnostic tool for assessing the internal structures of the eye, such as the vitreous body, retina, and optic nerve. This technique utilizes high-frequency sound ...

[Read More] Understanding Eye Ultrasound: Safety and What to Expect


Understanding Black Spots When Rolling Eyes: Is It Eye Pressure?

Closing your eyes and turning them to the extreme angle can result in the appearance of black spots? Hello: I have approximately 400 degrees of myopia. When I turn my eyes while sleeping, I notice a dark spot appearing at the corners of my closed eyes, but when I open my eyes, th...


Dr. Gao Pilin Reply:
Hello: Based on your description, the shadows you experience when turning your eyes to the extreme angles with your eyes closed may be related to changes in intraocular pressure. When the eyes are turned to their limits, the extra pressure exerted by the extraocular muscles may t...

[Read More] Understanding Black Spots When Rolling Eyes: Is It Eye Pressure?


Understanding Visual Disturbances: Is It Visual Snow or Something Else?

Visual persistence? Visual snow syndrome? Mental health issues? Hello Doctor, I currently have high myopia in both eyes, close to 900 degrees. Recently, I started experiencing dizziness, which coincided with a change in my glasses. I went to an ophthalmologist to check my prescri...


Dr. Gao Pilin Reply:
Hello: Based on your description, your visual issues may be related to "visual snow" or "visual persistence." These phenomena can be normal in certain situations, but if you suddenly become aware of them and start to worry, it may exacerbate your discomfort. H...

[Read More] Understanding Visual Disturbances: Is It Visual Snow or Something Else?


Understanding Vitreous Degeneration: Symptoms and Risks Explained

Vitreous degeneration Hello, doctor. After a vitreous detachment, will I still see moving spots of light when looking at the blue sky? How long does vitreous detachment typically take? Does earlier vitreous degeneration, due to a tighter adhesion to the retina, increase the risk ...


Dr. Gao Pilin Reply:
Hello: After vitreous detachment, some patients may indeed see moving spots or floaters when looking at the blue sky or other bright backgrounds. This is caused by small fragments or opacities that float within the eye due to the liquefaction and detachment process of the vitreou...

[Read More] Understanding Vitreous Degeneration: Symptoms and Risks Explained


Understanding Post-Cataract Surgery Complications: Retinal Detachment Insights

Retinal detachment after cataract surgery Hello, doctor. I have been following up on my cataracts at Cheng Ching Hospital for over three years. During this time, I underwent laser repair for a retinal tear. On April 17 of this year, I had cataract surgery and received a multifoca...


Dr. He Jianxian Reply:
Dear Mr. Tian, 1. Since your eyes have not been examined, it is not possible to clearly determine your condition. 2. A monofocal intraocular lens does not have a lower chance of displacement; rather, it has a greater tolerance for displacement. 3. The referral is likely for addr...

[Read More] Understanding Post-Cataract Surgery Complications: Retinal Detachment Insights


Understanding Visual Floaters: Causes and When to See an Eye Doctor

Seeing visual afterimages? This morning, I woke up and noticed a faint blue-purple light spot in my right eye that flickered and later formed a visual afterimage. Initially, it was just a point that I didn't pay much attention to, but it later elongated into a vertical bar s...


Dr. He Jianxian Reply:
Hello Ms. Chen: If the episodes persist, it is recommended that you undergo an examination. The aura symptoms you suspect related to migraines are indeed possible, but cannot be confirmed. Dr. He Jianxian, Ophthalmology Department, Nantou Hospital.

[Read More] Understanding Visual Floaters: Causes and When to See an Eye Doctor


Understanding Post-Retinal Laser Surgery: When to Seek Help

Post-retinal laser surgery? Hello Doctor, on June 19th, I underwent retinal laser treatment due to a detected tear that had developed into a hole. During the first three days of resting at home, I noticed a significant reduction in the flashes of light. However, on the fourth day...


Dr. Gao Pilin Reply:
Hello: It is possible to experience some flashes of light during the recovery period after retinal laser surgery. Here are a few key points and recommendations: 1. **Retinal Stabilization**: After retinal laser surgery, the retina requires a certain amount of time to stabilize ...

[Read More] Understanding Post-Retinal Laser Surgery: When to Seek Help


Understanding Visual Afterimages: When to Seek Eye Care

Seeing visual afterimages or bright spots? When I close my eyes, I can see some small bright spots and dark dots that appear and disappear. Some of them can also be seen when my eyes are open, resembling visual afterimages. They are most noticeable when I blink, and some change f...


Dr. Gao Pilin Reply:
Hello: The symptoms you mentioned, including seeing small bright spots and dark spots when your eyes are closed, as well as experiencing fleeting shadows upon opening your eyes, may be related to issues with the retina or vitreous body. These phenomena can sometimes be considered...

[Read More] Understanding Visual Afterimages: When to Seek Eye Care


Understanding Retinal Detachment Risks for High Myopia Patients

Retinal issues Hello, doctor. I would like to ask: I have high myopia of -600 degrees, and I sometimes worry about retinal detachment. I read online that sudden exertion can cause a rapid increase in intraocular pressure, leading to retinal detachment. Can you please tell me if e...


Dr. Gao Pilin Reply:
Hello: High myopia (greater than -6.00 diopters) is indeed one of the high-risk factors for retinal detachment. Due to the longer axial length of the eyes in individuals with high myopia, the retina becomes thinner, increasing the risk of retinal tears or detachment. Certain acti...

[Read More] Understanding Retinal Detachment Risks for High Myopia Patients


Understanding Eye Fatigue and Macular Degeneration: Key Insights

Eye fatigue? Macular degeneration? Hello, doctor. I have high myopia (around 1000 degrees). Last month, I had a comprehensive eye examination at an ophthalmology clinic, which included dilation and OCT. Aside from experiencing symptoms of floaters, everything else was normal. Rec...


Dr. Gao Pilin Reply:
Hello: Based on your situation, there are several points to consider: 1. Eye Strain: Prolonged exposure to electronic screens can easily lead to eye strain, especially in individuals with high myopia. This strain may cause visual distortions, such as slight tilting of images or...

[Read More] Understanding Eye Fatigue and Macular Degeneration: Key Insights


Understanding Visual Disturbances: Flickering Lights and Floaters Explained

Upon waking up, I noticed that the wall seemed to be swaying, and there was a slight flickering sensation? Hello Doctor: Recently, I have been troubled by flashes of light. I have undergone multiple dilated eye examinations and ultra-widefield fundus photography, but no issues we...


Dr. Gao Pilin Reply:
Hello: Based on your symptoms, there are several possible explanations to consider: 1. Vitreous Degeneration: You mentioned seeing transparent objects resembling amoebae on sunny days, which is typical of floaters, commonly associated with vitreous degeneration or degeneration....

[Read More] Understanding Visual Disturbances: Flickering Lights and Floaters Explained


Understanding Post-Retinal Laser Surgery: When to Seek Help

Post-retinal laser surgery Hello, doctor. On June 19, I underwent retinal laser treatment due to a detected tear that had developed into a hole. During the first three days of resting at home, I noticed a significant reduction in the flashes of light. However, on the fourth day, ...


Dr. Gao Pilin Reply:
Hello: It is possible to experience some flashes of light during the recovery period after retinal laser surgery. Here are a few key points and recommendations: 1. **Retinal Stabilization**: After retinal laser surgery, the retina requires a certain amount of time to stabilize ...

[Read More] Understanding Post-Retinal Laser Surgery: When to Seek Help


Common Eye Issues: Understanding Shadows, Light Sensitivity, and Glaucoma

Eye-related issues? Doctor, I have some questions I would like to ask: 1. Recently, whenever I am in sunlight (even just a little), I see dark, shadow-like lines in front of my eyes. Could this be due to my long eyelashes casting a shadow that I am perceiving? Is this a possibi...


Dr. Gao Pilin Reply:
Hello: 1. Seeing black streaks in sunlight: This condition is likely what you are experiencing as "floaters." Floaters are caused by changes in the vitreous body of the eye and typically become more noticeable with age. While it is possible that your eyelashes may cas...

[Read More] Common Eye Issues: Understanding Shadows, Light Sensitivity, and Glaucoma


Redness Around the Eyes: Is It Related to Recent COVID-19 Diagnosis?

There is some redness around the eyes? On Monday, I underwent dilation, and the doctor only mentioned that there were no significant issues, just some floaters. He suggested that I should have an eye exam once a year. He did not elaborate on the persistent flashes, which I assume...


Dr. Gao Pilin Reply:
Hello: There are several possible causes for redness around the eyes, one of which may be related to a positive rapid test result. After confirmation, especially in the case of a viral infection, conjunctivitis may occur, leading to redness in the eyes. However, since you did not...

[Read More] Redness Around the Eyes: Is It Related to Recent COVID-19 Diagnosis?


Experiencing Brief Blackouts in Vision: Eye or Neurological Issue?

Even though there is no blinking, it visually appears as if the eyes are blinking? Hello, doctor. Since February, I have been experiencing a strange condition. Visually, it feels like I blinked (a very brief moment of darkness lasting a fraction of a second, then immediately retu...


Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described and the results of the various tests conducted, this situation is indeed somewhat complex. Here are several possible considerations: 1. Vitreous Degeneration: This is a common phenomenon, especially as one ages, where the vitreous may u...

[Read More] Experiencing Brief Blackouts in Vision: Eye or Neurological Issue?


Are Persistent Flashes or Waves in Vision Harmless?

Persistent flashes or wave-like patterns? Regarding the persistent flashes or wavy patterns mentioned in question 209224, could this condition potentially be completely harmless? Similar to the situation with floaters, could it simply be a result of degeneration? Since the earlie...


Dr. Gao Pilin Reply:
Hello: Possible benign causes: 1. Vitreous degeneration: Similar to floaters, vitreous degeneration can lead to flashes and wavy patterns. This is usually a natural degenerative process that occurs with aging or high myopia and may not require treatment. 2. Vitreous traction: Occ...

[Read More] Are Persistent Flashes or Waves in Vision Harmless?


Understanding Retinal Detachment: Symptoms and Early Warning Signs

Retinal detachment Doctor, I would like to ask a few questions: Is it necessary to see shadows before retinal detachment occurs? What are the warning signs that may indicate retinal detachment? Also, what are the warning signs of glaucoma? Thank you, doctor; I really want to know...


Dr. Gao Pilin Reply:
Hello: Symptoms and Warning Signs of Retinal Detachment Retinal detachment is a serious ophthalmic emergency that requires prompt treatment. When the retina detaches from its underlying tissue, it can lead to vision loss. Here are common warning signs and symptoms: 1. Flashes...

[Read More] Understanding Retinal Detachment: Symptoms and Early Warning Signs


When to Seek Medical Attention for Frequent Eye Flashes

When to seek medical attention for flashes of light in the eyes? Hello Doctor: Thank you very much for your detailed response regarding the issue of experiencing flashes in the eyes. I learned a lot from your explanation. However, I still have a question that I hope you can clari...


Dr. Gao Pilin Reply:
Hello, thank you for your question. It's not unusual, and it's quite important. The phenomenon of flashes of light, especially in the absence of an obvious external light source, may be a warning sign of certain issues within the eye and should be taken seriously. The t...

[Read More] When to Seek Medical Attention for Frequent Eye Flashes


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