Understanding Eye Floaters: When to Seek Help for Visual Disturbances
Fundus examination Hello, when there is a little light, I see a shadow flickering, and in the dark, I constantly see blue spots, even with my eyes closed, similar to what I used to see when I pressed my eyes as a child. However, the doctors say everything is normal after examinat...
Dr. Wang Zhangji Reply:
Vitreous opacities, if not associated with conditions such as retinal tears, can be considered a normal part of aging and typically do not require significant concern.[Read More] Understanding Eye Floaters: When to Seek Help for Visual Disturbances
Understanding Flashing Lights in Your Vision: Causes and Solutions
Experiencing flashes of light in the eyes? Recently, while studying, I've been experiencing a sensation of flashes around my eyes, similar to turning a light off and then back on quickly, lasting about 1 to 3 minutes in both eyes. I'm not sure what this condition is. Co...
Dr. Zhuang Yamin Reply:
Dear "Youyou", Regarding the sensation of flashes around the eyes, it is mostly caused by abnormal discharges from the retina. This issue often arises from the traction of the vitreous body pulling on the peripheral retina, which may sometimes be accompanied by retinal...[Read More] Understanding Flashing Lights in Your Vision: Causes and Solutions
Understanding Visual Field Loss After Retinal Laser Treatment
Visual field loss after retinal tear laser treatment? Hello doctor, on November 24th, my right eye was struck, and after seeking medical attention, it was found that there was bleeding and a retinal tear at the one o'clock position. I received laser treatment at National Tai...
Dr. Wang Zhangji Reply:
It is not possible to determine from the above symptoms whether the retina has re-ruptured. It is recommended that you undergo a dilated fundus examination nearby for safety.[Read More] Understanding Visual Field Loss After Retinal Laser Treatment
Understanding Retinal Holes: Diagnosis Confusion and Treatment Options
Concern about retinal tear? 1. I have been experiencing floaters, and recently I've noticed occasional flashes of light, so I went for an eye examination. Doctor A informed me that I have one hole in each eye and recommended laser treatment. However, my family members advise...
Dr. Wang Zhangji Reply:
1. It is truly difficult to determine online whether you have a retinal tear. Some physicians may take proactive measures for areas at high risk of thinning and tearing, so it is advisable to seek treatment from a trusted physician. 2. If the retina has already detached, it can s...[Read More] Understanding Retinal Holes: Diagnosis Confusion and Treatment Options
Does Retinal Laser Treatment Cause Hemorrhage and Floaters?
Will retinal laser treatment for retinal tears cause retinal hemorrhage leading to the formation of floaters? Two weeks ago, I returned for a follow-up appointment because I had undergone laser treatment for a retinal tear two years ago. During the visit, the doctor informed me t...
Dr. He Jianxian Reply:
Hello: Generally speaking, retinal laser treatment for retinal tears does not cause bleeding due to the laser energy itself. Most bleeding is primarily caused by the tearing of surrounding blood vessels associated with the tear. If bleeding does occur, there is no need to worry, ...[Read More] Does Retinal Laser Treatment Cause Hemorrhage and Floaters?
Understanding Eye Issues: Floaters and Dry Eye Symptoms Explained
Eye problems and black floaters? Hello, Doctor. I originally did not have any symptoms of floaters, but last week I woke up one day with very dry eyes (I could clearly feel the dryness) and they were sore and painful. It was manageable when looking at regular things, but when I l...
Dr. He Jianxian Reply:
Hello: Regarding floaters, this is a phenomenon of vitreous degeneration, which is more likely to occur in patients with high myopia. Typically, these images are more noticeable against a relatively simple background, such as a white wall or blue sky. Generally, they only cause i...[Read More] Understanding Eye Issues: Floaters and Dry Eye Symptoms Explained
Do Dilating Drops Affect Floaters? Understanding Eye Exam Risks
Will mydriatic agents affect floaters? Due to high myopia, I received dilating drops at the hospital yesterday for a retinal examination. Initially, I only had a slight occurrence of floaters, but this morning it has increased to a larger area in the center. Is this due to the di...
Dr. He Jianxian Reply:
Hello: Essentially, dilation of the pupils will not affect our retina or the condition of floaters. Physiologically, in dimly lit environments, our pupils naturally dilate, so we experience physiological dilation every day. Therefore, there is no need to fear that a dilated eye e...[Read More] Do Dilating Drops Affect Floaters? Understanding Eye Exam Risks
Understanding Eye Issues: Floaters, Dry Eye, and Chronic Conjunctivitis
Ocular disorders (visual floaters, dry eye syndrome, and chronic conjunctivitis) Hello, Doctor. I apologize for bothering you, but I've been troubled by eye issues for a long time, so I have several questions to ask. 1. Whenever I look up at the sky, I see many random ligh...
Dr. Zhuang Yamin Reply:
Dear Lays, Firstly, what you describe as "flickering light spots" sounds more like "floaters." Although most cases are benign manifestations of vitreous degeneration, a small percentage may be associated with retinal tears. It would be prudent to undergo a re...[Read More] Understanding Eye Issues: Floaters, Dry Eye, and Chronic Conjunctivitis
Understanding Eye Flashes: Causes, Duration, and Fatigue Connection
Photopsia Hello, Doctor. I have myopia of -800 diopters and astigmatism of -200 diopters in both eyes. About a year ago, I started experiencing flickering lights in my vision. The flickering occurs in different locations; initially, it was more frequent in the lower left corner o...
Dr. Zhuang Yamin Reply:
Dear John, Regarding your questions, here are my responses: 1. If, as you mentioned, a fundus examination has confirmed that there are no retinal tears, then the phenomenon you are experiencing is likely due to vitreous degeneration causing traction. In this case, the sensation...[Read More] Understanding Eye Flashes: Causes, Duration, and Fatigue Connection
Understanding Eye Flickering: Causes and Solutions for Vision Changes
Eye twitching Hello doctor, I recently noticed that when my eyes transition from dark to bright environments, my vision experiences a flickering effect, alternating between light and dark. For example, when I close my eyes for a while in a well-lit area and then open them, this p...
Dr. Zhuang Yamin Reply:
Dear Ben, Regarding the appearance of flickering lights in your vision, there are generally a few scenarios to consider. The most serious condition is a retinal tear with associated traction, where the flickering sensation is often triggered by movement of the eye in a certain d...[Read More] Understanding Eye Flickering: Causes and Solutions for Vision Changes
Risks of Retinal Detachment in Diving: A Guide for High Myopia Patients
Retinal detachment and high diving? Dear Doctor: I am going to join the Navy, and the training includes "swimming" and "diving" (from a height of about 2-3 meters, with a depth of about 3 meters). However, I have a history of high myopia that led to a retinal ...
Dr. He Jianxian Reply:
Hello Sir: Thank you for your inquiry. I would like to respond to your question and provide the following advice: High-impact trauma does indeed carry a risk of retinal tears and detachment; however, since you have already received treatment, the associated risks are reduced. I a...[Read More] Risks of Retinal Detachment in Diving: A Guide for High Myopia Patients
Can I Swim and Dive After Retinal Laser Surgery? A Navy Service Guide
I have undergone retinal laser surgery (for a tear) and I am going to serve in the Navy (mandatory service for 6 months)? Hello Doctor: Over the past 10 years, I have undergone retinal laser surgery (for a tear) due to high myopia. In February, I will be joining the Navy (mandato...
Dr. Wang Zhangji Reply:
Although diving poses some risks for retinal tears, it is not contraindicated. There are no specific regulations regarding retinal tears in military service examinations. It is advisable to remain vigilant and, if any abnormalities occur, it is best to undergo a thorough examinat...[Read More] Can I Swim and Dive After Retinal Laser Surgery? A Navy Service Guide
Post-Retinal Laser Treatment: Flying Precautions and Guidelines
Post-operative Care Instructions After Laser Treatment for Retinal Tear Hello, doctor. I would like to ask if it is safe to fly after undergoing laser treatment for a retinal tear, due to work obligations. Are there any precautions I should take when flying? How long should I wai...
Dr. Qiu Hanqing Reply:
Hello! Generally speaking, there are no specific contraindications following a simple retinal laser procedure. However, if it is performed simultaneously with intraocular gas tamponade, there is an absolute contraindication against flying for a short period post-surgery. Therefor...[Read More] Post-Retinal Laser Treatment: Flying Precautions and Guidelines
Understanding Retinal Tears and Detachment: Symptoms and Concerns
Regarding retinal tears and detachments? Hello Doctor: You previously told me that "even after laser treatment, it is still possible to experience photopsia. If there is an issue with the retina, there are usually warning symptoms, including: <1> a sudden increase in f...
Dr. He Jianxian Reply:
Hello, Miss: Thank you for your inquiry. I would like to respond to your question and provide the following advice: Your issue can only be monitored through regular follow-up appointments. If there are any real concerns, the physician will address them accordingly. There is no ne...[Read More] Understanding Retinal Tears and Detachment: Symptoms and Concerns
High Myopia and Retinal Detachment: Essential Eye Care Tips
High myopia and retinal detachment? Hello, Doctor. I am highly myopic (1000 degrees) and also have astigmatism (200-300). In the past, I didn't take care of my eyes, and now I find myself in this situation. Recently, I have been visiting the ophthalmologist every three month...
Dr. He Jianxian Reply:
Hello, sir: Thank you for your inquiry. I would like to address your question and provide the following advice: The retina does not detach simply due to prolonged eye use. Retinal detachment caused by high myopia typically requires the presence of a tear. Therefore, regular fundu...[Read More] High Myopia and Retinal Detachment: Essential Eye Care Tips
Understanding Flashing Lights After Retinal Laser Treatment: What You Need to Know
Retinal laser treatment Hello Doctor: I am a person with high myopia, with -500 in my left eye and -600 in my right eye. During my pregnancy this year, I experienced flashes of light, and after giving birth, I underwent laser treatment. However, it has been a month since the proc...
Dr. He Jianxian Reply:
Hello, Miss: Thank you for your inquiry. I would like to respond to your question and provide the following advice: The phenomenon you described as "flashes" is medically referred to as "photopsia." Its cause is due to traction on the retina from external forc...[Read More] Understanding Flashing Lights After Retinal Laser Treatment: What You Need to Know
Understanding Eye Floaters and Bright Spots: What You Need to Know
Eye highlights Hello Doctor, I started noticing transparent floaters in my eyes around the age of 16, but recently I feel that the floaters have increased, and there are also persistent bright spots (similar to floaters but bright white). Previously, these bright spots would only...
Dr. Gao Pilin Reply:
Hello, the situation you described is likely floaters, not cataracts. The bright spots are also a type of floaters. The causes of floaters can be categorized into three types. The first type is physiological, accounting for 20%, which indicates the presence of impurities in the e...[Read More] Understanding Eye Floaters and Bright Spots: What You Need to Know
Understanding Blurry Vision: Causes and Solutions for Eye Discomfort
Blurred vision Hello Doctor, I am a 29-year-old male with no significant medical history or family history of diseases. I have myopia in both eyes, approximately -700 diopters, and I wear regular glasses. Two years ago, I had a retinal tear and underwent laser surgery at a genera...
Dr. Guo Jinliang Reply:
It is recommended that you return to the hospital for a re-examination of your retina, especially since you mentioned in your letter that you have high myopia and a history of retinal tears. Additionally, whether it is a refractive issue needs to be assessed through a refraction ...[Read More] Understanding Blurry Vision: Causes and Solutions for Eye Discomfort
Understanding Lattice Degeneration and Vitreous Traction: Laser Surgery Insights
Lattice degeneration of the peripheral retina with vitreous traction? Hello Dr. Hu, (1) When performing retinal laser surgery for lattice degeneration and vitreous traction, is it necessary to apply a circle of laser around the area of lattice degeneration? (2) Is it mandator...
Dr. Hu Yusheng Reply:
Hello Frank, 1. Peripheral retinal laser treatment can prevent progression to retinal tears, which could further lead to retinal detachment. 2. We will try to use laser photocoagulation to seal the degenerated areas, often applying multiple rings. 3. Vitreous traction itself can...[Read More] Understanding Lattice Degeneration and Vitreous Traction: Laser Surgery Insights
Understanding and Managing Floaters: Expert Advice for Eye Health
Floaters issue, please consult a physician? Dear Doctor, I had an examination for my left eye and was diagnosed with physiological floaters. My right eye had a retinal tear, which has been treated with laser surgery. However, recently, my floaters in the left eye have worsened....
Dr. Wang Zhangji Reply:
Dear Mr. Chen, Hello. The floaters caused by vitreous degeneration generally diminish over time. If they are large and located in the center of your visual field, vitreous surgery may be considered. However, I personally do not recommend undergoing major surgery for a symptom th...[Read More] Understanding and Managing Floaters: Expert Advice for Eye Health