Understanding Monocular Diplopia: Causes and Solutions for Eye Issues
Both eyes have issues with monocular diplopia? Hello, Doctor Gao. My symptoms are as follows: I have congenital intermittent exotropia, as well as myopia (approximately 300 degrees) and astigmatism (both of which are acquired). In recent years, I have developed floaters in both e...
Dr. Gao Pilin Reply:
Hello Rusa: 1. Monocular diplopia is likely caused by astigmatism. Binocular diplopia is related to strabismus. 2. This is the situation seen with astigmatism. Therefore, astigmatism is the most probable cause of diplopia. The prescription for glasses is quite strong, and focusin...[Read More] Understanding Monocular Diplopia: Causes and Solutions for Eye Issues
Understanding Eye Symptoms: White Light in the Corner After Phone Use
After looking at the phone for a long time, I noticed a white light drifting across the corner of my eye? Hello, Doctor. I have over 700 degrees of myopia, some astigmatism, presbyopia, and also experience floaters, although there aren't many black spots. I usually don'...
Dr. Gao Pilin Reply:
Hello: Occasionally experiencing this situation is actually not a cause for concern. It may be a phenomenon related to vitreous degeneration. If this causes you psychological stress, you can visit an ophthalmologist for an examination. Inform the doctor about your condition, and ...[Read More] Understanding Eye Symptoms: White Light in the Corner After Phone Use
Understanding Double Vision: Causes and Concerns in Eye Health
Double vision issue? Hello, doctor. 1. Today, I suddenly noticed that I see double when looking at things. The text on my phone appears to be significantly overlapping, but text in reality does not. When I look at certain objects, I also see some overlapping, although the exten...
Dr. Gao Pilin Reply:
Hello Mr. Chen: If the double vision occurs when viewing with one eye, it is likely a refractive issue. If it occurs when viewing with both eyes, it may be due to diplopia. The underlying cause will need to be determined after an examination.[Read More] Understanding Double Vision: Causes and Concerns in Eye Health
Understanding Subtle Flickering on White Screens: Causes and Concerns
Looking at a white wall or screen may cause a sensation of very subtle flickering? Hello Doctor, as the title suggests, currently when I look at a white screen background or wall for a long time, I notice a very subtle flickering. For example, in a PowerPoint presentation, the wh...
Dr. Gao Pilin Reply:
Hello, Xiang: It should be a posterior image, especially with a bright white background, which makes this phenomenon more likely to occur. It is a physiological phenomenon.[Read More] Understanding Subtle Flickering on White Screens: Causes and Concerns
Understanding Double Vision in Children: When to Seek Further Eye Care
A 5-year-old experiencing double vision? The child sees double images and tells me that there is an extra finger appearing between two fingers, or that my eyes and nose look like two. Last week, we visited an ophthalmologist who said there were no issues with the child's vis...
Dr. Cai Wenyuan Reply:
Observe the symptoms, and if they persist, seek medical evaluation.[Read More] Understanding Double Vision in Children: When to Seek Further Eye Care
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 Purple Flashes in Vision: A Guide for Eye Health
The appearance of purplish-red flashes in the eyes? Hello, doctor. I have floaters in my vision. My left eye has a myopia of -4.00 diopters with 75 degrees of astigmatism, while my right eye has a myopia of -5.00 diopters with 25 degrees of astigmatism. I previously had a retinal...
Dr. Gao Pilin Reply:
Hello Jesse: If it only happened once, it could simply be a photopsia, which is a physiological phenomenon. If it occurs repeatedly, I cannot determine the cause. Retinal issues typically do not present with color, but rather as flashes of light. Therefore, if it happens again, p...[Read More] Understanding Purple Flashes in Vision: A Guide for Eye Health
Understanding Visual Disturbances: Rainbow Halos and Pulsating Shadows
After looking at a light source, there are black spots in vision, and next to the light source, there are rainbow-like colors. The black spots seem to pulse in sync with the heartbeat? Hello, doctor. I previously used to apply cycloplegic drops for my myopia, with a prescription ...
Dr. Cai Wenyuan Reply:
Observe the symptoms, and if they persist, seek medical attention.[Read More] Understanding Visual Disturbances: Rainbow Halos and Pulsating Shadows
Understanding Glaucoma and Other Eye Conditions: Symptoms and Concerns
Suspecting that you have glaucoma or other eye diseases? Both eyes have myopia of approximately 300 degrees with astigmatism. After being exposed to bright light, such as a flash from a camera, both eyes experience persistent moving shadows (black spots) that eventually disappear...
Dr. Gao Pilin Reply:
Hello Chloe: When you look at bright light, the intense light causes a significant breakdown of rhodopsin in the retina. Since it cannot be quickly resynthesized, this results in a temporary darkening of your vision. This is a normal physiological response and is not related to f...[Read More] Understanding Glaucoma and Other Eye Conditions: Symptoms and Concerns
Seeing Colored Halos Around Lights: Is It Astigmatism or Glaucoma?
The bulb has color on the outside? I have a prescription of -4.75 for my left eye and -4.50 for my right eye. Recently, when I look at a light bulb, I notice that there are red and blue halos around the outer edge of the bulb. This halo refers to the outermost ring of the bulb, b...
Dr. He Jianxian Reply:
It may be related to the lenses you are wearing; some lenses have a higher degree of dispersion, which could be the reason. This is provided for your reference. Dr. Ho Chien-Hsien, Ophthalmology Department, Nantou Hospital.[Read More] Seeing Colored Halos Around Lights: Is It Astigmatism or Glaucoma?
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
Understanding Post-Laser Vision Issues: Double Vision and Blurriness Explained
After the laser treatment, I noticed double vision when looking at lights with one eye? Hello, Doctor Gao. I would like to ask you about something. Last year, I underwent laser surgery for my myopia, and after some time post-surgery, I noticed that my right eye's vision beca...
Dr. Gao Pilin Reply:
Hello Ah Hao: The laser should not cause this issue; your condition is likely astigmatism. I recommend that you visit an ophthalmologist for an examination.[Read More] Understanding Post-Laser Vision Issues: Double Vision and Blurriness Explained
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