Understanding Blue Light Filtering Glasses: Reflection vs. Absorption
Eyeglass issues? Hello, Doctor Gao. I would like to ask some questions about glasses. Recently, I got a new pair of glasses with full vision and blue light filtering features, hoping to reduce potential harm to my eyes from daily use. However, I just discovered an issue: it seems...
Dr. Gao Pilin Reply:
Hello, Student Chen: There may be some blue light reflected from the back, but the overall effectiveness should be better than lenses without blue light filtering; otherwise, such lenses wouldn't exist. Since this product is available and has passed quality inspections, you ...[Read More] Understanding Blue Light Filtering Glasses: Reflection vs. Absorption
Understanding Night Vision Issues: Causes and Solutions for Blurred Vision
Vision problems Hello Doctor, recently when I am outside at night, I feel that the halos around streetlights are very pronounced, and buildings appear darker and less clear than before (it gets better when I block the streetlight). When I ride my bike at night, everything seems n...
Dr. Gao Pilin Reply:
Hello: Based on your description and the doctor's examination, it should not be night blindness. Astigmatism can affect night vision, so you might want to try wearing glasses to see if it improves. Of course, eye strain can also have an impact. Take more breaks and see if it...[Read More] Understanding Night Vision Issues: Causes and Solutions for Blurred Vision
Understanding Increased Myopia and Astigmatism: When to Seek Further Evaluation
Increased myopia/astigmatism? Hello Doctor, I am a 29-year-old female who has been nearsighted since childhood. My current glasses were prescribed about a year and a half ago, with measurements of -10.50 in the left eye and -9.25 in the right eye, both with -1.00 astigmatism. The...
Dr. Gao Pilin Reply:
Hello, Miss P: Based on your description, it is possible that your eye alignment is slightly off, which may be causing difficulty in focusing. Your degree of disparity is not significant, so there shouldn't be any major issues with focusing. I recommend checking for any stra...[Read More] Understanding Increased Myopia and Astigmatism: When to Seek Further Evaluation
Understanding Astigmatism and Its Connection to Retinal Detachment
Astigmatism-related retinal detachment 1. Is astigmatism related to the retina? 2. I underwent retinal gas tamponade surgery two weeks ago, and the remaining detached area was treated with laser. After the procedure, I noticed that my astigmatism seemed to worsen, and my vision ...
Dr. He Jianxian Reply:
Astigmatism primarily affects visual acuity and is not directly related to the retina. Retinal detachment can occur in individuals without astigmatism as well. Dr. He Jianxian, Department of Ophthalmology, Nantou Hospital.[Read More] Understanding Astigmatism and Its Connection to Retinal Detachment
Understanding Rainbow Vision: Causes and Implications for Eye Health
Rainbow vision issues Hello, I have ocular hypertension and have been using Combigan eye drops. I have undergone two visual field tests in the past six months (the last one was in early September), and my doctor informed me that my condition is stable and there is no diagnosis of...
Dr. Gao Pilin Reply:
Hello: Halo vision is just a symptom; sometimes corneal edema and corneal deposits can cause halos. Astigmatism can also create glare, which may not be colorful. The halo appears around the light source, so there should be as many halos as there are light sources. During the day,...[Read More] Understanding Rainbow Vision: Causes and Implications for Eye Health
Understanding Double Vision: When to Seek Eye Care for Overlapping Text
Recently, I have been experiencing issues with my left eye, and I'm not sure if it should be classified as double vision or diplopia? In my left eye, the black background with white text is most pronounced. There is a line of text followed by a line of smaller text that over...
Dr. Gao Pilin Reply:
Hello Mr. Li: This situation is likely caused by astigmatism. When you tilt your head down or exert a bit of force with your left eye, it may be compressing the cornea to counteract the astigmatism. In this case, wearing appropriate astigmatism glasses should suffice; however, as...[Read More] Understanding Double Vision: When to Seek Eye Care for Overlapping Text
Understanding Floaters, Retinal Tears, and Vision Changes in Myopia
Floaters, retinal tears, and increased refractive error issues? Hello, doctor. Thank you for taking the time to address the public's concerns. I have myopia and astigmatism measured as follows: Left: 900/325, Right: 700/325. Two years ago, during a floater examination, the d...
Dr. Gao Pilin Reply:
Hello: 1. A slight increase in prescription is likely normal. 2. If you are unsure about whether to proceed with laser treatment, it is recommended that you visit a hospital with a retinal specialist for an examination. 3. If there has been a previous tear, it indicates that ther...[Read More] Understanding Floaters, Retinal Tears, and Vision Changes in Myopia
Understanding the Accuracy of Computerized Eye Exams for Children
The accuracy issues of computer-based vision testing? Hello Doctor, thank you for your response! I took my child to the ophthalmology clinic for an examination, where they performed a fundus examination, OCT, and slit lamp examination. I informed the clinic doctor about my child&...
Dr. Gao Pilin Reply:
Hello, regarding your questions: 1. If the pupils are dilated and do not respond to light, there is no need to administer drops. 2. The refractive error is quite similar; the equivalent spherical power calculated from the right eye +50 astigmatism -250 and -25 astigmatism -200 is...[Read More] Understanding the Accuracy of Computerized Eye Exams for Children
Understanding Amblyopia: Symptoms, Diagnosis, and Treatment Options for Children
Amblyopia issues? Hello, Doctor. Thank you for your patient responses to my questions! I previously inquired about my child's eye issues, and I would like to ask you a few more questions. Hello, Doctor. Thank you for your prompt reply last night! I would like to ask you a f...
Dr. Gao Pilin Reply:
Hello, regarding your inquiries: 1. A corneal topography can be performed, but there is mild astigmatism, which is less pronounced. 2. Previously, vision was between 0.9 and 1.0, and there is still a possibility of recovery, but it requires wearing the correct prescription glasse...[Read More] Understanding Amblyopia: Symptoms, Diagnosis, and Treatment Options for Children
Understanding Nighttime Halos: Causes and Solutions for Vision Issues
Not wearing glasses? I have nearly 500 degrees of myopia in both eyes, along with astigmatism. Recently, I noticed that when I take off my glasses at night and look at car lights, there is a halo of colorful red light around them. However, when I put my glasses back on, the car l...
Dr. Gao Pilin Reply:
Hello, Renwei: This is caused by refractive errors (such as myopia or astigmatism), and wearing glasses will naturally correct it.[Read More] Understanding Nighttime Halos: Causes and Solutions for Vision Issues
Do Bright Edges on Rimless Glasses Harm Your Eyes?
Eyeglass issues? I recently got a pair of rimless glasses and noticed that the edges are often very bright. I asked the online store where I purchased them, and they said that the polishing of the edges causes them to be brighter, and that I would just need to get used to it, as ...
Dr. Liang Ce Reply:
It is recommended to consult other physical eyewear stores or visit an ophthalmology clinic for consultation. Thank you, and wish you good health.[Read More] Do Bright Edges on Rimless Glasses Harm Your Eyes?
Are Reflections from Your Rimless Glasses Harmful to Your Eyes?
Glare issues I recently got a pair of rimless glasses, and the edges of the lenses have been polished. I've noticed that when sunlight hits them, the edges reflect light and are very bright. My question is whether this reflection from the edges of the glasses can harm my eye...
Dr. Gao Pilin Reply:
Hello: If you experience any discomfort, regardless of whether it may cause harm, please ask the eyewear company to help you by frosted the edges, which can reduce glare.[Read More] Are Reflections from Your Rimless Glasses Harmful to Your Eyes?
Understanding Eye Health: Addressing Floaters, Flashes, and Dim Vision
Regarding issues with the retina, experiencing flashes of light, and feeling that indoor environments are relatively dim? Hello Doctor: I am 33 years old, and my current vision is 1175 in the left eye and 1200 in the right eye, both with astigmatism of 100. I have a regular habit...
Dr. Gao Pilin Reply:
Hello: If you have already undergone an eye examination and there are no issues, there is no need to feel anxious. Psychological anxiety can lead to other problems. Your sleeping position does not have a significant impact. The frequency of examinations should follow the recommen...[Read More] Understanding Eye Health: Addressing Floaters, Flashes, and Dim Vision
Understanding Blurry Vision in One Eye: Causes and Solutions
Vision is blurry in one eye when looking at a distance? Hello Doctor: I have high myopia and have been visiting the hospital every six months for follow-ups on glaucoma and retinal monitoring for about a year and a half now. Aside from some preventive laser treatment on my retina...
Dr. Gao Pilin Reply:
Hello Natsuki: 1. Individuals with poor vision may experience blurred vision at a distance while being able to see clearly up close; this is also the case with amblyopia. Retinal degeneration may present similarly. 2 & 3. In cases of pseudomyopia, wearing glasses with the app...[Read More] Understanding Blurry Vision in One Eye: Causes and Solutions
Understanding Black Shadows in Vision: Is It Macular Degeneration?
Seeing shadows in the vision could indicate a problem with the macula, or it may be related to other issues? Thank you for the prompt response, Doctor! Your question: Hello Doctor, my son is eight years old and has over 200 degrees of astigmatism in both eyes, with myopia of +25 ...
Dr. Gao Pilin Reply:
Hello, Xiaowu: 1. It is likely not a macular issue. We should first rule out the optical effects caused by dilation; let the pupils constrict and see if the symptoms persist. 2. The observation of very round black circular shadows does not sound like a pathological finding; it se...[Read More] Understanding Black Shadows in Vision: Is It Macular Degeneration?
Understanding Floaters: When to Worry and How to Protect Your Eyes
The presence of floaters during the day is quite pronounced? Hello Doctor, I have been experiencing floaters for a while now, and my myopia is around -3.00 in both eyes. Recently, I had an examination, and the doctor said my fundus looked normal with no abnormalities. However, in...
Dr. Gao Pilin Reply:
Hello Denny: The symptoms of floaters are just like that; they are usually visible during the day, especially against brighter backgrounds, such as when looking at the sky or light-colored walls. If the doctor has examined you and found no issues, you should feel reassured. Photo...[Read More] Understanding Floaters: When to Worry and How to Protect Your Eyes
Understanding Astigmatism: Causes, Symptoms, and Treatment Options
Causes of worsening astigmatism? 1. Is rubbing the eyes a cause of keratoconus? 2. If astigmatism deepens to around 300 degrees, is it definitely keratoconus, or could there be other causes? 3. How long does it typically take to adapt to wearing glasses for astigmatism? 4. ...
Dr. Gao Pilin Reply:
Hello, 1. It is possible, but generally, rubbing the eyes does not cause this unless it is done with excessive force and over a long period. Please refer to: https://bit.ly/2XQEUMi 2. Not necessarily; it could simply be astigmatism. 3. Typically, with the appropriate prescrip...[Read More] Understanding Astigmatism: Causes, Symptoms, and Treatment Options
Understanding Black Shadows in Vision: Causes and Concerns for Kids
Seeing shadows or dark spots in the vision? Hello Doctor, my son is eight years old and has over 200 degrees of astigmatism in both eyes, with myopia of +25 in the right eye and -25 in the left eye. He has been using a 0.125% cycloplegic agent every night for the past year and a ...
Dr. Gao Pilin Reply:
Hello, Xiaowu: The phenomenon of being able to see far but not near does not resemble macular degeneration. It may be caused by astigmatism or dilation. If you are not wearing glasses, you might try wearing them to see if your condition improves. You can discuss this with your do...[Read More] Understanding Black Shadows in Vision: Causes and Concerns for Kids
Post-Cataract Surgery Issues: Understanding Vision Changes and Glasses Fitting
Postoperative issues after cataract surgery? Hello, Director Gao. I have a few questions to ask you: I am currently 54 years old. I underwent retinal detachment surgery (pneumatic retinopexy) in early May, and then cataract surgery in August. The doctor recommended using a premiu...
Dr. Gao Pilin Reply:
Hello Mr. Chen: After retinal detachment surgery, it is possible that your vision may not return to its original state, as the retina has already been damaged. There are many reasons why a refraction test may not yield a prescription. I recommend that you visit an ophthalmologist...[Read More] Post-Cataract Surgery Issues: Understanding Vision Changes and Glasses Fitting
Understanding Astigmatism: Key Questions and Insights for Patients
High astigmatism 1. After performing a corneal topography and confirming there are no issues, can we be 100% certain that there is no keratoconus, or are additional tests required? 2. If keratoconus develops later in life, will the progression be less severe? 3. Is it common ...
Dr. Gao Pilin Reply:
Hello, Wu Yan: 1. At least for now, there are no issues, but further examinations will be needed in the future. 2. It should be about the same. 3. If there are no diseases, it should not increase significantly. 4. Corneal disorders can cause astigmatism. 5. Glasses can be prescri...[Read More] Understanding Astigmatism: Key Questions and Insights for Patients