Understanding Eye Flashes: Causes and Concerns for Your Vision
Eye flashes Hello Doctor: My question may be a bit lengthy, and I hope you can patiently read through the entire message. Thank you. Recently, I have been experiencing a phenomenon similar to "flashes" in my eyes (not the kind associated with myopia). In dim lighting (t...
Dr. He Jianxian Reply:
Hello: Essentially, the vitreous is a transparent tissue that is not visible during examination, so when examining the fundus, the focus is primarily on checking for any retinal tears. If there are no tears, you generally do not need to worry too much about your astigmatism. Wish...[Read More] Understanding Eye Flashes: Causes and Concerns for Your Vision
Understanding Flashing Lights in Vision: Causes and Concerns
Seeing flashes of light in the eyes? Hello, Doctor: Recently, I have been feeling overly sensitive and often notice flashes of light. This concern arises because I have been seeing flickering lights from street lamps or desk lamps. At night, when I close my eyes and am about to f...
Dr. He Jianxian Reply:
Hello: It is difficult to determine when the symptoms of flashes will resolve; generally, they will disappear once there is no more traction of the vitreous on the retina. Wishing you peace and good health.[Read More] Understanding Flashing Lights in Vision: Causes and Concerns
Understanding Temporary White Fog in Vision: When to Seek Further Eye Care
There is a brief appearance of white fog when turning the head? I have myopia in both eyes, with over 800 degrees. Recently, I noticed that when I turn my head, for example, when I look to the left and then turn back to face forward, I experience a brief white fog for less than a...
Dr. Gao Pilin Reply:
Hello: Based on your description, it seems to be caused by vitreous degeneration, which is known as floaters. Floaters can sometimes appear as black dots and other times as white haze, depending on the degree of vitreous degeneration. When the degenerated areas exceed the visual ...[Read More] Understanding Temporary White Fog in Vision: When to Seek Further Eye Care
Seeing Lightning in Your Eyes: Understanding Visual Disturbances After Surgery
Waking up to see flashes of light in my vision? Hello, Doctor! Recently, when I wake up in the morning and blink, I often see shapes resembling blood vessels, like flashes of lightning, which have been occurring for over a week. In the past few days, it seems that I also see them...
Dr. He Jianxian Reply:
Hello: If you see flashes of light, it indicates that the retina may be experiencing traction. It is advisable to visit an ophthalmologist for a dilated eye examination and to follow up on the condition after your last laser treatment. Wishing you good health.[Read More] Seeing Lightning in Your Eyes: Understanding Visual Disturbances After Surgery
Understanding Color Separation and Visual Distortion in Myopia
When the eyes perceive purple light, it can separate into blue and red light? Hello Doctor, I have approximately -1200 diopters of myopia in both eyes with slight astigmatism. Recently, I noticed that when viewing purple light in the dark without my glasses, there is a blue halo ...
Dr. He Jianxian Reply:
Hello: Your issue is a bit complex. I recommend that you visit a professional ophthalmology hospital or clinic for a comprehensive eye examination, and consult with an ophthalmologist in person. This should help you gain a clearer understanding. Wishing you peace and good health.[Read More] Understanding Color Separation and Visual Distortion in Myopia
Diabetes and Cataract Surgery: Key Preoperative Considerations
Cataract surgery in patients with diabetes? Diabetic patients need to control their blood glucose levels to an HbA1c of less than 7% and maintain blood pressure below 140/90 mmHg before undergoing cataract surgery. Preoperative assessments should include a comprehensive eye exami...
Dr. He Jianxian Reply:
Hello: There are no absolute regulations regarding the blood sugar level that diabetic patients must meet before undergoing cataract surgery. However, better blood sugar control leads to less postoperative inflammation and faster recovery. Preoperative assessments typically inclu...[Read More] Diabetes and Cataract Surgery: Key Preoperative Considerations
Understanding Flashing Lights in Vision: Causes and Concerns
It feels like there are flashes of light in my vision? Recently, I've been experiencing a sensation in my eyes that feels like flashes of light, as if someone is taking a picture with a flash behind me. I went to see an ophthalmologist, who said it is likely not retinal deta...
Dr. He Jianxian Reply:
Hello: It is recommended that you undergo a thorough dilated eye examination by an ophthalmologist. If no issues are found, you should consider whether there are occasional abnormal conditions occurring in the brain, which would require a consultation with a neurologist, as it fa...[Read More] Understanding Flashing Lights in Vision: Causes and Concerns
Understanding Steroid Use and Eye Symptoms: Blue Flashes and More
Steroids blue bright spot lightning? 1. Can using a steroid cream (for seborrheic dermatitis) cause pigmentation deposits in the eyes? Is there a high risk of developing glaucoma from using steroid creams? I often apply the cream near my eyes. 2. In dark areas, I consistently s...
Dr. Zhuang Yamin Reply:
Dear "Instant Noodles", Regarding the concerns about the use of steroids, since they are not directly applied to the eye and the amount absorbed systemically from topical application is usually quite small, there is less concern about inducing glaucoma, and it is rare ...[Read More] Understanding Steroid Use and Eye Symptoms: Blue Flashes and More
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
Understanding Eye Check Concerns: Symptoms and Potential Issues
What are the issues related to eye examinations? Hello Doctor: Last month, during a fundus examination at the hospital, when I looked up to the right, I may have strained my eyes, and I saw several red lines (vessels) in my vision. After returning home, I noticed that the floater...
Dr. He Jianxian Reply:
Hello: If you have already undergone a dilated eye examination, there should not be any major issues. However, if you are still concerned, you can have another dilated eye exam. It is not possible to determine if there is a problem based solely on symptoms. Wishing you peace and ...[Read More] Understanding Eye Check Concerns: Symptoms and Potential Issues
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
Can My First Grader's Myopia Improve? Tips for Parents
My first-grade daughter has myopia? Hello, doctor. My first-grade daughter was recently diagnosed with myopia, with her vision measured at 0.9 in both eyes. Is it possible for her vision to improve at her current age? What can be done? Does she need to wear glasses? Thank you.
Dr. Gao Pilin Reply:
Hello, a vision of 0.8 or above is considered normal. A vision of 0.9 should not affect the ability to see the blackboard in class, so there is currently no need for glasses. However, if myopia is already present, special attention is required, as the increased use of eyes after ...[Read More] Can My First Grader's Myopia Improve? Tips for Parents
Understanding the Surge in Myopia Among Children: Causes and Solutions
The surge in myopia among children? Hello, doctor. My daughter is currently in the second grade of elementary school (just turned seven). She has been having her eyes checked since she was three years old. The results from her dilated eye exams showed myopia of -0.50/-0.75 and as...
Dr. Wang Zhishun Reply:
Hello, 1. To prevent children from developing myopia or increasing their myopic degree, outdoor activities are as important as using eye drops. It is recommended to address both aspects simultaneously. 2. Astigmatism generally does not change significantly unless there is trau...[Read More] Understanding the Surge in Myopia Among Children: Causes and Solutions
Fears of Blindness: Managing Anxiety for High Myopia Patients
Fear of blindness Hello, Doctor. I am a person with high myopia, and ever since I experienced discomfort in my eyes, I have come to deeply understand the importance of eye health. Although I have not been diagnosed with any abnormalities by my doctor, I have been gathering articl...
Dr. He Jianxian Reply:
Hello: If you have been undergoing regular eye examinations (including dilation) and no abnormalities have been found, you can feel reassured. However, if these feelings of anxiety and fear are affecting your sleep, you may need to consult a neurologist or psychiatrist to explore...[Read More] Fears of Blindness: Managing Anxiety for High Myopia Patients
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 Visual Disturbances: When to Seek Eye Care for Symptoms
Photopsia Hello, Doctor He. I would like to ask you some questions. Although I had an eye examination at the hospital three months ago that indicated my eyes were healthy and I was scheduled for a follow-up in December, I have recently experienced some issues and would like your ...
Dr. He Jianxian Reply:
Hello, sir: Thank you for your inquiry. I would like to respond to your question and provide the following suggestions: Regarding your issue, I believe it is closely related to the content of my previous response to you. If you still have concerns, I recommend that you seek furth...[Read More] Understanding Visual Disturbances: When to Seek Eye Care for Symptoms
High Myopia and Retinal Detachment: Understanding Risks and Eye Care
High myopia and retinal detachment? I am highly myopic and experienced eye pain while conducting experiments in the lab back in June. I have always known that individuals with high myopia need to undergo annual fundus examinations, but I have been avoiding this due to my fear of ...
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 myopia and retinal detachment are two different conditions. Since you have undergone numerous examinations for retinal detachment and no tears have been found, ...[Read More] High Myopia and Retinal Detachment: Understanding Risks and Eye Care
Understanding Eye Flickering After Sudden Light Exposure: Causes and Concerns
When closing the eyes for an extended period and suddenly moving to a brightly lit area, the eyes may experience flickering sensations? Hello, doctor: This question has puzzled me for a long time. I have asked friends and online acquaintances, but some believe it is a normal phen...
Dr. He Jianxian Reply:
Hello, sir: Thank you for your inquiry. I would like to respond to your question and provide the following advice: Generally, when the eyes are exposed to strong light, everyone may experience some discomfort; however, the visual phenomena may vary from person to person. The simp...[Read More] Understanding Eye Flickering After Sudden Light Exposure: Causes and Concerns
Understanding Floaters and Retinal Health: What You Need to Know
Regarding floaters and retinal issues? Hello, doctor. I have myopia of about 700-750 degrees in both eyes, with astigmatism of 50 degrees. Previously, after sneezing, I noticed light spots, and later experienced flashes and changes in floaters. I went to a nearby clinic for an ex...
Dr. He Jianxian Reply:
Hello, sir: Thank you for your inquiry. I would like to address your question and provide the following advice: The symptoms you are experiencing are clinically referred to as "photopsia." This phenomenon is typically caused by the movement of the vitreous body in the e...[Read More] Understanding Floaters and Retinal Health: What You Need to Know
Understanding Eye Changes: Symptoms, Causes, and When to Seek Help
Ocular diseases Hello, I am 36 years old and have been using a computer for long periods of time. Around the age of 27, I noticed a small yellowish area on the white part of my left eye, which felt uneven. Two years ago, I had my eyes examined, and the doctor said there was no ma...
Dr. Ke Meilan Reply:
Hello Zhenyi: I believe it is inappropriate to provide answers without examining the patient. Generally, the yellowish appearance is likely due to hyperplastic tissue, but it should not be dispersed. If it is inflammation, anti-inflammatory medications can be used. Please consult...[Read More] Understanding Eye Changes: Symptoms, Causes, and When to Seek Help