Eye examination, Ophthalmology FAQ

Understanding Floaters: When to Seek Medical Attention for Eye Health

Floaters issue? Hello, Doctor Gao. I would like to inquire about my floaters. The doctor mentioned that if there are changes, I need to return for a follow-up (I previously had a retinal tear that has since healed on its own, along with peripheral laser treatment). However, I occ...

Dr. Gao Pilin Reply:
Hello: While occasional floaters are usually normal, in your case, given your history of retinal tears, extra caution is warranted. If you notice a significant increase in new, noticeable black spots or experience flashes of light or other changes, please seek an eye examination ...

Understanding Retinal Tears: Laser Surgery Insights and Patient Concerns

Retinal tear laser surgery I have myopia of about 400 degrees and some floaters. Recently, my eyes have been feeling swollen and painful, so I went to the hospital for an eye examination. The doctor said there is a slight retinal tear in my right eye and recommended laser treatme...

Dr. He Jianxian Reply:
Dear concerned individual: 1. If you are still worried, you may seek a second opinion from another clinic. 2. The two issues are generally unrelated. 3. If there is indeed a tear, laser treatment is recommended, as it significantly reduces the risks. 4. You can go for a run. 5. T...

Understanding Retinal Detachment: Symptoms and Concerns Explained

Retinal detachment Hello Doctor, I apologize for bothering you. My eyesight is approximately 250 degrees in both eyes, and I experience mild flashes and floaters. I would like to ask you about some eye issues: 1. Occasionally, I see long black shadows sliding across the wall. 2. ...

Dr. Gao Pilin Reply:
Hello: 1. Occasionally seeing long black shadows sliding across the wall: This symptom may be indicative of floaters, which are usually caused by changes in the gel-like substance within the vitreous humor of the eye. Floaters are typically harmless, but if they become too freque...

Understanding Visual Disturbances After Sneezing: Expert Insights

Inquiry Consultation Hello, Dr. Gao: I just sneezed quite forcefully and experienced seeing stars and a white light in front of my right eye. This condition lasted for a few seconds and then disappeared. Currently, there are no obvious abnormalities or discomfort in my eyes. I wo...

Dr. Gao Pilin Reply:
Hello: Q1. Experiencing visual disturbances, such as seeing stars, after a forceful sneeze is a normal physiological response due to sudden changes in pressure. However, persistent white light in the right eye for several seconds may require further observation. Q2. Generally, a ...

Understanding Conjunctival Nevi: Concerns and Care for Eye Health

Please provide the content you would like me to translate into English? Dear Dr. Gao, Thank you for your response and advice in article #201230. The day before yesterday (October 6), I followed your suggestion and visited an ophthalmology clinic. After examination with instrumen...

Dr. Gao Pilin Reply:
Hello: Q1. A conjunctival nevus is typically a benign condition that does not pose any problems for vision or eye health. According to your physician, it is flat and has blood vessels nearby, which are common characteristics of a conjunctival nevus. Conjunctival nevi usually do...

Understanding Flashing Floaters: What Happens When You See Bright Light

Seeing bright lights? Hello, doctor. I have floaters in my vision. When I see a bright light, the floaters suddenly start to flicker, and after a while, they disappear. What is this phenomenon? Normally, the floaters are transparent, but when I look at a bright light, they appear...

Dr. Gao Pilin Reply:
Hello: The situation you described may be related to a visual phenomenon known as floaters. Floaters are typically caused by small particles or fibers within the vitreous humor of the eye. These small particles can be seen moving across your field of vision, particularly against ...

Understanding Post-Laser Treatment Issues: Retinal Laser and Floaters

Questions related to retinal laser treatment? Hello Dr. Gao, I have undergone retinal laser treatment and experienced a sudden onset of numerous floaters the next day. I would like to ask you: 1. What is the likelihood that the retinal laser could affect the vitreous body? Do doc...

Dr. Gao Pilin Reply:
Hello: 1. Relationship between retinal laser and vitreous: Retinal laser treatment is typically used to address retinal diseases rather than directly targeting the vitreous. Physicians should carefully assess the condition of the retina before performing laser treatment to ensure...

Understanding Eye Pressure: Activities That May Harm Your Eyes

What situations are considered as pressure on the eyes (eyeballs)? Dear Dr. Gao, I have high myopia in both eyes (greater than -10.00 diopters) and astigmatism (greater than -3.00 diopters). Previously, I had retinal tears in both eyes, which were treated with laser photocoagula...

Dr. Gao Pilin Reply:
Hello: Due to your high myopia and history of retinal tears, it is essential to take special care to protect your eyes and avoid further issues. Here are some recommendations for avoiding pressure on the eyeball and protecting the retina: 1. Avoid rubbing your eyes: As your oph...

Understanding the Flashing Shadows: A Guide to Floaters and Light Sensitivity

Seeing bright light? Hello, doctor. I have floaters in my vision. When I see a bright light, the floaters suddenly start to flicker, and after a while, they disappear. What is this phenomenon? Normally, the floaters are transparent, but when I see the bright light, they appear to...

Dr. Gao Pilin Reply:
Hello: The situation you described may be related to a visual phenomenon known as floaters. Floaters are typically caused by small particles or fibers within the vitreous humor of the eye. These small particles become more noticeable as they move within your field of vision, espe...

Understanding Conjunctival Spots: What You Need to Know About Eye Health

Questions regarding the conjunctiva? Dear Dr. Gao, Hello. I have observed spots on the conjunctiva of both my left and right eyes, which appear to be black and gray. I would like to ask you the following questions: Q1. I have noticed some black spots at the 9 o'clock posit...

Dr. Gao Pilin Reply:
Hello: Q1. Based on your description, the black spots on the limbus of the cornea may represent corneal pigmentation. This pigmentation can be caused by factors such as age, sun exposure, and genetics, and is usually harmless. However, the best approach is to have an eye examin...

Understanding Optic Nerve Cupping and Glaucoma in High Myopia

Optic cup excavation and glaucoma? I'm sorry, doctor. I have high myopia (approximately over -600 diopters in both eyes) and high astigmatism (approximately over -500 diopters in both eyes). Today, I went to a major hospital for an eye examination, and the doctor said that m...

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!

Understanding Eye Lightning: Symptoms and Risks of Retinal Issues

Flashes of light in the corner of the eye? A few days ago on Friday, I experienced a phenomenon that seemed like a flash in the corner of my eye, possibly due to the movement of my eyeball, resembling sparks from wires touching each other. This morning, it occurred again, and I n...

Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, such as flashes, floaters, and bright spots around the eyes, this may be related to eye health, but it cannot be determined whether it is associated with retinal detachment or retinal tears. Only a physician can make a specific diagnosi...

Understanding Post-Surgery Visual Disturbances: Flashes and Shadows

Flashes and floaters after retinal and cataract surgery? Hello, Director Gao. Five weeks ago, I underwent vitrectomy combined with cataract surgery and silicone oil filling due to retinal detachment. I have noticed a dark spot in the central vision of my right eye. Recently, I di...

Dr. Gao Pilin Reply:
Hello: First, regarding the issue of shadows. After silicone oil tamponade surgery, some patients may see interfaces in their field of vision, which can cause shadows. This phenomenon may persist for a period of time but usually improves over time. However, I cannot determine you...

Understanding Vision Issues: White Grids and Ring Shapes in Eyes

There is a halo around the eyes? Hello Doctor: On August 4th, I underwent a dilated eye examination due to a significant increase in floaters in both eyes. The results showed that I had holes in both eyes, and the hospital performed laser treatment on one eye immediately. The oth...

Dr. He Jianxian Reply:
Hello Ms. Wu: 1. I have not encountered any patients with similar conditions, so I cannot provide a specific answer. However, if there is indeed a problem, theoretically, abnormal phenomena would not resolve on their own. 2. A follow-up examination would likely yield more accurat...

Seeing Rainbow Halos: Is It a Sign of Glaucoma?

Rainbow halos around the eyes? Hello, Doctor Gao: I have elevated intraocular pressure (21, 22) and have optic nerve cupping (previous visual field tests were normal), so I have been worried about the possibility of glaucoma. At night, I tend to stare at lights because I read onl...

Dr. Gao Pilin Reply:
Hello: Rainbow halos may be one of the symptoms of certain eye conditions, including glaucoma. However, the symptoms of glaucoma typically include more than just seeing rainbow halos. Glaucoma is often accompanied by elevated intraocular pressure, blurred vision, eye pain, rednes...

Understanding Black Shadows and Flashes in Your Vision: Is It Normal?

The appearance of shadows and flashes in the eyes? Hello, doctor. I have floaters in my vision, but I recently had a dilated eye exam, and the doctor told me there were no issues. However, today my eyes felt a bit sore, so I decided to close them for a short rest. When I closed m...

Dr. Gao Pilin Reply:
Hello: The eye symptoms you described do not seem to align with the typical characteristics of floaters. Floaters usually present as dot-like, thread-like, or ring-like images in the visual field, rather than black shadows or flashes of white light. Black shadows and flashes of l...

Understanding Eye Flashes and Their Possible Causes: When to Seek Help

I inquired about the meteorological conditions some time ago? A few days ago, I inquired about the sensation of shooting stars around my eyes. The frequency of these occurrences has decreased over the past few days, but occasionally I notice a bright spot in the corner of my eye ...

Dr. Gao Pilin Reply:
Hello: 1. Flashes and floaters: The sensation of flashes and floaters may be related to changes in the vitreous body, such as vitreous traction or vitreous opacities. These symptoms may occasionally occur, but if you notice a significant increase in their frequency or if they per...

Understanding Visual Disturbances: Causes and Concerns

Visual problems Hello, doctor. When I look at the ceiling while trying to sleep, I sometimes see strange images, like a fan spinning by. However, after having a thorough eye examination at the ophthalmologist, everything was normal. I mentioned this to the doctor, and he suggeste...

Dr. Gao Pilin Reply:
Hello: 1. Visual Fatigue: Even if your ophthalmic examination results are normal, prolonged use of electronic devices, reading, or focusing on tasks can lead to eye fatigue, which may cause you to see strange images when looking at the ceiling. Try to take a few minutes to rest...

Understanding Vascular Proliferation in Myopic Patients with Contact Lenses

Vascular proliferation Hello Doctor: I have high myopia and have been wearing contact lenses since the second year of high school. Recently, I noticed a prominent blood vessel growing towards the center of my left eye. After researching, I found that this could be due to long-ter...

Dr. Gao Pilin Reply:
Hello: 1. Does vascular proliferation require treatment? Vascular proliferation itself usually does not require specific treatment, but it may be a sign of other ocular issues. Vascular proliferation may be associated with corneal hypoxia, dry eye syndrome, or other eye disease...

Understanding Flashing Lights Around the Eyes: Causes and Concerns

Occasionally experiencing phenomena around the eyes that resemble shooting stars? I occasionally see something resembling a shooting star around my eyes, and it happens quite frequently in both eyes. However, I had a dilated eye exam on August 15, and the doctor said there were n...

Dr. Gao Pilin Reply:
Hello: The phenomenon you described around your eyes, resembling shooting stars, along with the flickering sensation when your eyes are closed, may be related to visual phenomena. Here are some possible causes: 1. **Floaters**: These are small structures within the vitreous hum...

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