Understanding Zigzag Flashing Lights: Eye Health Insights
Zigzag flashes Hello doctor, I would like to ask, there have been several instances when I walk from sunlight into a room and then look at my phone, I experience a darkening effect, followed by flickering in my vision, and I am unable to focus. The more I try to see details, the ...
Dr. Gao Pilin Reply:
Hello: Based on your description, this situation may be caused by an adaptation issue with your eyes. When you are exposed to bright sunlight outdoors for a period of time, your pupils naturally constrict to regulate the amount of light entering the eyes, protecting the retina fr...[Read More] Understanding Zigzag Flashing Lights: Eye Health Insights
Understanding Floaters in Children: Causes, Concerns, and Next Steps
Vitreous floaters in children? Hello, Doctor: (I apologize for asking again) My child is around four years old. Last week, we took him for his first vision check-up, and everything regarding his vision was fine. During the process, no dilation was performed, and the doctor used a...
Dr. Gao Pilin Reply:
Hello: 1. Based on the child's description, it may be a symptom of floaters, but other conditions cannot be ruled out. It is advisable to consult an ophthalmologist for further evaluation. 2. To rule out retinoblastoma, dilation may be necessary. However, the likelihood of t...[Read More] Understanding Floaters in Children: Causes, Concerns, and Next Steps
Understanding High Myopia: Myths, Risks, and Eye Health Concerns
High myopia 1. A previous study from abroad indicated that there is not much correlation between high myopia and glaucoma. Is this true? 2. I have myopia of around -5.00 to -6.00 diopters. My doctor mentioned that my degree of myopia is not very severe and that the degree of peri...
Dr. Gao Pilin Reply:
Hello: 1. Yes, some studies indicate that the association between high myopia and glaucoma is not strong. 2. Your doctor's statement is correct. Generally, the degree of peripheral retinal degeneration is proportional to the level of myopia, so if your myopia is not severe, ...[Read More] Understanding High Myopia: Myths, Risks, and Eye Health Concerns
Understanding Floaters in Young Children: Concerns and Insights
Vitreous Floaters in Infants Hello Doctor: My younger son is about four years old. Last week, I took him for his first vision check-up, and everything regarding his vision was fine. The examination was done without dilation, and the doctor used a slit lamp and an indirect ophthal...
Dr. Gao Pilin Reply:
Hello: 1. Floaters are usually caused by opacities in the vitreous body, and even individuals with normal vision can experience floaters. Therefore, it is possible for children with normal vision to also have floaters. 2. Generally, a four-year-old child can undergo slit-lamp exa...[Read More] Understanding Floaters in Young Children: Concerns and Insights
Why Do My Eyes Feel Foggy After Waking Up? Understanding Conjunctivitis Recurrence
Blurry vision? I would like to ask the doctor: I wake up with my eyes feeling foggy for 3 to 4 hours. I can still see things, but they are a bit unclear. Should I seek medical attention? Also, I had follicular acute conjunctivitis recently, and after recovering, I had another cas...
Dr. Liang Ce Reply:
Recommendations: 1. Discuss the above situation further with your attending physician. 2. Alternatively, seek consultation at another medical facility. Thank you. Wishing you good health![Read More] Why Do My Eyes Feel Foggy After Waking Up? Understanding Conjunctivitis Recurrence
Understanding the Differences Between Fixation and Binocular Vision in Strabismus
The issue of military service for alternating exotropia - 2 Hello, Dr. Gao: I am a student inquiring about the response to Q&A 2 in article #195872. I have some parts that I do not understand and would like to ask about the difference between "fixation" and "ga...
Dr. Gao Pilin Reply:
Hello: Fixation means to gaze steadily, looking straight ahead; both terms have the same meaning. During testing, it involves looking forward and maintaining fixation, which is also referred to as steady gaze.[Read More] Understanding the Differences Between Fixation and Binocular Vision in Strabismus
Understanding Flashing Lights in Vision: When to Seek Medical Attention
The appearance of lightning-like flashes in the eyes? Hello Doctor, this morning when I drove out of the parking lot (from dark to bright), I suddenly noticed a small lightning-like image in my left eye. I could still see it with my eyes closed in the dark, and then I put on sung...
Dr. Gao Pilin Reply:
Hello: Based on your description, you may be experiencing visual persistence caused by intense light stimulation. This phenomenon typically occurs after a sudden transition from a dark environment to a bright one or exposure to strong light sources such as flash photography, resu...[Read More] Understanding Flashing Lights in Vision: When to Seek Medical Attention
Can Farsighted Glasses Help Reduce or Prevent Myopia Progression?
Myopia treatment 1. Is it possible for a person with myopia to reduce their myopic degree by wearing hyperopic glasses? 2. Is it possible for a person with myopia to prevent the progression of myopia by wearing hyperopic glasses? 3. Are there any adverse effects on a myopic p...
Dr. Liang Ce Reply:
It is advisable to consult an ophthalmology medical institution for appropriate medical advice. Thank you. Wishing you good health![Read More] Can Farsighted Glasses Help Reduce or Prevent Myopia Progression?
Understanding Alternating Exotropia and Military Service Regulations
The military service issue of alternating exotropia? Dear Dr. Gao, I recently had an eye examination, and the diagnosis states that I have alternating exotropia, with the right eye fixating and the left eye deviating 30 prism diopters; the left eye fixating and the right eye dev...
Dr. Gao Pilin Reply:
Hello: Q1. Is alternating exotropia considered "alternating strabismus of both eyes"? Q2. Does "alternating strabismus of both eyes exceeding 57 prism diopters" refer to the prism degree of one eye being greater than 57 prism diopters, or is it the total am...[Read More] Understanding Alternating Exotropia and Military Service Regulations
Understanding High Myopia: Risks of Low Vision and Cataracts
High myopia issues? 1. With my myopia of -5.75 and -6.50, is it likely that I will become part of the low vision population? 2. Does having this level of myopia significantly increase the likelihood of developing cataracts at the age of 50 or 60?
Dr. Gao Pilin Reply:
Hello: 1. The likelihood of developing low vision is very low if no pathological changes occur. 2. There is a certain correlation between the degree of myopia and the occurrence of cataracts. Individuals with high myopia tend to have longer axial lengths of the eye, which makes t...[Read More] Understanding High Myopia: Risks of Low Vision and Cataracts
Post-Cataract Surgery: Understanding Image Size Differences in Eyes
Differences in Image Size After Cataract Surgery Hello, Director: Regarding the previous question (<a href="https://adoctor.tw/article/194330">#194330</a>), when viewing objects with the naked eye, the image from the left eye (which has macular folds) appear...
Dr. He Jianxian Reply:
Hello Mr. Lee: Because you already have an issue with varying image sizes in your naked vision, theoretically, using different intraocular lenses should not cause this condition. If there is too much disparity between the images in both eyes, it can inherently lead to discomfort....[Read More] Post-Cataract Surgery: Understanding Image Size Differences in Eyes
Understanding Persistent Eye Flashes: Causes and Concerns
Bright spots in the eyes for 24 hours? I have been experiencing visual disturbances, such as bright spots, in my eyes for 24 hours. These occur whether my eyes are open or closed. When I move my eyes to the far left or right, I see lightning-like flashes. While lying down, I occa...
Dr. He Jianxian Reply:
Hello, Arden: I apologize, but we have not encountered a case similar to yours in clinical practice, so I am unable to provide a proper response. Dr. He Jianxian, Department of Ophthalmology, Nantou Hospital.[Read More] Understanding Persistent Eye Flashes: Causes and Concerns
Understanding Eye Fatigue: Causes, Symptoms, and When to Seek Help
Eye fatigue At the beginning of April, I felt my eyes were fatigued and visited two ophthalmologists who diagnosed me with eye strain. However, I was still concerned and consulted a third doctor who noted that my intraocular pressure was slightly elevated. After undergoing additi...
Dr. Chen Anping Reply:
Hello, due to the inability to conduct a personal examination, I am unable to provide an online response. I apologize for any inconvenience this may cause. The Hualien Hospital of the Ministry of Health and Welfare cares about your health.[Read More] Understanding Eye Fatigue: Causes, Symptoms, and When to Seek Help
Is Rubbing Your Eyes After Scratching Your Feet Dangerous?
Picking your feet and then rubbing your eyes? 1. Yes, it is true that touching your eyes after scratching your feet without washing your hands can potentially lead to fungal keratitis. This condition can indeed severely affect vision and may lead to blindness if not treated prope...
Dr. Gao Pilin Reply:
Hello: 1. Yes, fungal keratitis is an eye infection that can potentially affect vision and lead to blindness. If you experience eye discomfort or blurred vision, it is advisable to seek an ophthalmological examination as soon as possible. 2. Symptoms of fungal keratitis include e...[Read More] Is Rubbing Your Eyes After Scratching Your Feet Dangerous?
Can Wide-Angle Imaging Check Retina Without Dilation for High Myopia?
Can a retinal examination be performed without dilation using the fundus camera? Due to light sensitivity, I find car headlights very bright at night, and I have a history of high intraocular pressure, which makes me unsuitable for dilated fundus examinations. 1. I would like to ...
Dr. Cai Wenyuan Reply:
Non-mydriatic fundus photography is generally used for screening diabetic retinopathy. However, to examine the retina thoroughly, dilation is still necessary.[Read More] Can Wide-Angle Imaging Check Retina Without Dilation for High Myopia?
Understanding Retinal Degeneration in High Myopia: Severity Insights
Retinal degeneration issues? 1. I understand that high myopia can lead to some degree of peripheral retinal degeneration. Could you please tell me how severe the peripheral retinal degeneration typically is for patients with myopia of 500 to 600 diopters? In your experience, do p...
Dr. Gao Pilin Reply:
Hello: In clinical practice, I rarely encounter patients with severe degeneration. Of course, there are some cases that are more severe, but the probability is low and varies from person to person.[Read More] Understanding Retinal Degeneration in High Myopia: Severity Insights
Impact of Direct Flash Exposure on Eye Health: Risks and Concerns
The eyes were directly exposed to a flash of light? On April 25th at 5 PM, I used my phone's selfie function to take a close-up photo of my left eye (within 10 to 15 centimeters) and forgot to turn off the flash. The flash directly illuminated my eye, causing my vision to go...
Dr. Cai Wenyuan Reply:
Observe the symptoms, and if they persist, seek medical evaluation.[Read More] Impact of Direct Flash Exposure on Eye Health: Risks and Concerns
Understanding Retinal Thinning in High Myopia: Causes and Implications
Thinner retina? High myopia only causes retinal tears in a small percentage of individuals, which suggests that high myopia may lead to thinning of the peripheral retina, making it less likely to develop tears.
Dr. Gao Pilin Reply:
Hello: The incidence of retinal tears is indeed higher in individuals with high myopia, but not all individuals with high myopia will experience retinal tears. Retinal tears occur due to the elongation of the eyeball, which causes areas of the retina that are weak to be more susc...[Read More] Understanding Retinal Thinning in High Myopia: Causes and Implications
Understanding Myopia: Is 650 Degrees Considered 500 or 600?
Myopia degree 1. Is a myopia of 650 degrees considered a type of 500 or 600 degrees? 2. Among patients in their 50s and 60s with 500 or 600 degrees of myopia that you have seen, do most of them still have healthy eyes?
Dr. Gao Pilin Reply:
Hello: 1. A myopia of 650 degrees can be considered approximately 600 degrees. 2. The prescription strength of glasses does not necessarily reflect the health status of the eyes; the health condition of the eyes is not always directly related to the degree of myopia. There are ma...[Read More] Understanding Myopia: Is 650 Degrees Considered 500 or 600?
Understanding Retinal Issues in Patients with High Myopia
Retinal issues 1. Doctor, based on your clinical experience, is the likelihood of retinal disease high for individuals around 50 to 60 years old with myopia of approximately 700 degrees? Thank you for your response, doctor.
Dr. Gao Pilin Reply:
Hello: Individuals with around 700 degrees of myopia in their 50s or 60s have a certain risk of retinal pathology, but in my clinical experience, such patients are rare and the probability is not very high.[Read More] Understanding Retinal Issues in Patients with High Myopia