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 Floaters: When to Seek Eye Care for Sudden Changes
The phenomenon of floaters? Hello, doctor. I would like to ask you a question. Around September 9th, I suddenly felt that my left eye was more prone to fatigue. It gradually improved, but since that day, I have noticed new floaters resembling small cells in my vision. I have had ...
Dr. Gao Pilin Reply:
Hello, Student Chen: If you are constantly worried, I recommend that you get checked as soon as possible. Early detection can help identify any issues, or if there are none, you can have peace of mind and not be troubled by these concerns every day. Issues with the retina can onl...[Read More] Understanding Floaters: When to Seek Eye Care for Sudden Changes
Understanding Visual Disturbances: Cross Shapes and High Myopia Concerns
Eye problems Hello doctor, when I look at a wallpaper with square patterns (composed of many diamond-shaped blocks), I also see many cross shapes overlaying the square patterns. What could be the reason for this? I have high myopia and floaters, and a month ago I had a retinal ex...
Dr. Gao Pilin Reply:
Hello Ms. Wu: This is likely a type of visual illusion caused by a combination of many square shapes (similar to a naked-eye 3D effect) and should not be a cause for concern. It is unrelated to retinal thinning.[Read More] Understanding Visual Disturbances: Cross Shapes and High Myopia Concerns
Understanding Floaters and Retinal Health: A Guide for Young Myopes
Floaters, retinal degeneration Hello Doctor, I am currently 20 years old and have high myopia, with my left eye at -600 and my right eye at -850. I discovered that I have floaters about a year and a half ago (though I'm not sure when they actually started). In recent months,...
Dr. Gao Pilin Reply:
Hello, Popo: 1. If the examination shows no issues, occasional flashes of light should not be a major concern. 2. This is unrelated to retinal detachment flashes; it is likely a form of photopsia, which is a physiological phenomenon. 3. Not seeing floaters does not mean they are ...[Read More] Understanding Floaters and Retinal Health: A Guide for Young Myopes
Understanding the Progression of Floaters in Myopia: Key Insights
Progression of Floaters Dear Dr. Gao, Thank you very much for your previous response. I have a few more questions to ask you: 1. If I am already wearing blue light blocking glasses, do I still need to use a screen protector for my laptop? 2. I have severe myopia, with both eyes...
Dr. Gao Pilin Reply:
Hello Sabina: 1. It should no longer be needed. 2. 3. Floaters can appear in various shapes and drift at different speeds; in your case, it is a normal phenomenon as long as there are no issues with the retina. 4. If it is a residual image of text, it is likely an afterimage, whi...[Read More] Understanding the Progression of Floaters in Myopia: Key Insights
Understanding Retinal Scans: Do They Replace Traditional Eye Exams?
Questions related to fundus examination? Dear Dr. Gao, I have high myopia (approximately -800 diopters) and therefore undergo regular retinal examinations. In April of this year, an ophthalmologist at a large hospital discovered that both of my eyes had a small area of retinal t...
Dr. Gao Pilin Reply:
Hello, Xiang: The ultra-widefield fundus scanner provides a larger field of view than traditional dilated eye examinations and allows physicians to review the images more thoroughly, making it less likely to overlook lesions. Occasionally, symptoms of flashes may occur, ranging f...[Read More] Understanding Retinal Scans: Do They Replace Traditional Eye Exams?
Understanding Increased Prescription After Dilation: Is It Normal?
Increased refractive error after dilation? Hello, doctor. Previously, I went to the ophthalmology department for dilation and underwent a retinal examination. Before and after dilation, I had a test (I'm not sure what the machine is called) to measure my refractive error. ...
Dr. Gao Pilin Reply:
Hello, Miss Lin: 1. For individuals with unstable refractive errors, dilation followed by measurement often results in a decrease in myopia and an increase in hyperopia. In contrast, those with stable refractive errors typically experience little difference or only slight fluctu...[Read More] Understanding Increased Prescription After Dilation: Is It Normal?
Why Do Texts Appear Misaligned on Screens? Understanding Visual Distortion
Objects appear to be misaligned or not parallel? Hello, doctor. Recently, when I look at electronic devices, I often feel that the text is not aligned, but this is not as noticeable when I read printed materials. I went for a retinal examination yesterday, and the ophthalmologist...
Dr. Cai Wenyuan Reply:
Observe the symptoms, and if they persist, seek medical attention.[Read More] Why Do Texts Appear Misaligned on Screens? Understanding Visual Distortion
Understanding Vitreous Degeneration: Symptoms and Concerns Explained
Vitreous degeneration 1. I see dark shadows in the corners of my eyes, but they disappear when I don't look. I'm not sure if this is related to floaters. What could this condition indicate? 2. When I strain my eyes or slightly close them, the floaters seem to increase...
Dr. Gao Pilin Reply:
Hello Mr. Chiu: This should be various phenomena associated with floaters. It's good that the retinal examination showed no issues, as floaters are located in the vitreous body. Seeing halos around lights at night is most commonly due to astigmatism or some degree of refract...[Read More] Understanding Vitreous Degeneration: Symptoms and Concerns Explained
Understanding Retinal Laser Treatment: Questions and Insights on Eye Health
Retinal laser treatment Good evening, Dr. Gao. Due to the recent severity of my floaters, I visited an ophthalmologist near my workplace yesterday. The doctor mentioned that the area where I previously had laser treatment has a tear. I would like to ask Dr. Gao: 1. Does "t...
Dr. Gao Pilin Reply:
Hello, concerned individual: 1. A tear refers to a condition that is either already torn or is about to tear. 2. It is possible that a contact fundus lens was used, which contains mirrors that can be rotated to view the periphery, so the eyes do not need to be turned. 3. This...[Read More] Understanding Retinal Laser Treatment: Questions and Insights on Eye Health
Is Frequent Fundus Examination Harmful for Your Eyes?
Will frequent fundus examinations be harmful to the eyes? Hello, doctor. I have two questions to ask: I have a prescription of -1100 diopters in both eyes, and my left eye has undergone laser treatment for retinal repair twice. Due to my high myopia, I often feel paranoid. Previo...
Dr. Gao Pilin Reply:
Hello Ms. Li: 1. If the frequency of flashes is high or increases, or if there are changes in your visual field, an examination is necessary. 2. This type of examination will not harm your eyes even if the frequency is high, so please rest assured. Online responses can only serve...[Read More] Is Frequent Fundus Examination Harmful for Your Eyes?
Understanding Eye Floaters and Flashing Lights: When to Seek Help
I have floaters in my vision, and when I quickly turn my eyes to the left or right, I experience a sensation of seeing stars? Hello, doctor. I had a retinal examination at the hospital a month ago, and everything was normal. I have had floaters for over seven years, and I am not ...
Dr. Gao Pilin Reply:
Hello Mr. Chen: When you exert force while turning your eyes to the left or right, you may see white flashes of light scattered everywhere, which is likely caused by the vitreous pulling on the retina. Therefore, it is not advisable to engage in such activities to avoid potential...[Read More] Understanding Eye Floaters and Flashing Lights: When to Seek Help
Understanding Blurred Vision in the Outer Field of Left Eye
Blurry vision in the peripheral area of the left eye? Hello Doctor, I am highly myopic (approximately 900 degrees in both eyes). Two years ago, I experienced a sudden vitreous hemorrhage in my left eye, so I have been regularly visiting the hospital for dilated fundus examination...
Dr. Gao Pilin Reply:
Hello Kevin: Blurred vision in the outer fields of both eyes may indicate a defect in the visual field examination. If the retinal examination is normal, we should consider issues related to the optic nerve and the brain. The first thing to consider is a potential problem with th...[Read More] Understanding Blurred Vision in the Outer Field of Left Eye
Understanding Eye Flashes: When to Seek Medical Attention
Flashes of light in the eyes for nearly a week? Hello Dr. Gao, Since this Tuesday, I have been seeing flashes of light in the upper right corner of my right eye. Generally, online discussions about retinal tears or detachments describe flashes that resemble lightning and are whi...
Dr. Gao Pilin Reply:
Hello: If it were my suggestion, I would recommend undergoing a dilated eye examination for peace of mind. If you are concerned about the pandemic, you should pay special attention to your observations. If your condition is improving, you may not need to go for an examination. Ho...[Read More] Understanding Eye Flashes: When to Seek Medical Attention
Understanding Proliferative Vitreoretinopathy and Its Impact on Vision
Retinal laser therapy Hello, Director Gao. I apologize for asking you again about proliferative vitreoretinopathy (PVR): it is a complication following surgery for retinal detachment with tears. It is commonly seen in cases of excessive cryotherapy, large tears, multiple retinal ...
Dr. Gao Pilin Reply:
Hello, concerned individual: 1. I apologize, but this cannot be determined. 2. No, please refer to https://reurl.cc/gWzz0p. 3. It should not be a problem. 4. The vitreous does not require special examination; if there are issues, they will be observed during the retinal exam...[Read More] Understanding Proliferative Vitreoretinopathy and Its Impact on Vision
Understanding Eye Redness: Causes and Solutions for Contact Lens Users
Localized redness in the eyes, conjunctival injection? Hello, Doctor Gao! I'm sorry to bother you again! Since January, I've been wearing silicone hydrogel contact lenses, and I've noticed a significant improvement in oxygen permeability. However, I often experienc...
Dr. Gao Pilin Reply:
Hello Mr. Lin: Red eyes can sometimes be due to conjunctival vascular congestion. If there is no discomfort, it should resolve on its own and is likely not a concern. Weight loss may not be related to intraocular pressure or eye redness; however, blood pressure may decrease, whic...[Read More] Understanding Eye Redness: Causes and Solutions for Contact Lens Users
Understanding Eye Symptoms After Laser Treatment for Myopia
Ophthalmic issues consultation? Hello, Doctor. I have high myopia (600 degrees in both eyes) and underwent laser treatment for lattice degeneration of the retina about a year ago. The doctor said this would stabilize the retina and prevent it from tearing, and I should follow up ...
Dr. Gao Pilin Reply:
Hello Lilian: Since I have not personally examined you, I cannot determine whether the light spots are new or old; you may need to consult the examining physician for that information. Macular degeneration should not present this way. Certain letters appearing relatively grayer m...[Read More] Understanding Eye Symptoms After Laser Treatment for Myopia
Understanding Myopia: Can High Prescription Lead to Vision Loss?
Myopia issues? Hello doctor, I am from Pingtung. I would like to ask you about my vision. My left eye has a prescription of -9.75 diopters, and my right eye has -7.75 diopters, with astigmatism in both eyes ranging from -2.00 to -2.50. Am I at risk of blindness, and are there any...
Dr. Gao Pilin Reply:
Hello Mr. Chen: If you only have myopia and astigmatism, and there are no issues with the retina, you will not go blind. As long as you pay attention to eye care and have regular retinal examinations, there is no need to worry about blindness. The ophthalmology department at Puzi...[Read More] Understanding Myopia: Can High Prescription Lead to Vision Loss?
Post-Retinal Laser Surgery: Understanding Visual Disturbances and Symptoms
Postoperative retinal issues Hello, Doctor: About a year and a half ago, I underwent a dilated retinal examination and discovered a retinal tear in one eye. I subsequently had several sessions of laser photocoagulation. Prior to the retinal examination, I did not notice any abnor...
Dr. Gao Pilin Reply:
Hello: Water waves and floaters are both phenomena related to vitreous degeneration, and retinal tears are usually caused by the pulling effect during vitreous degeneration. Therefore, they are not necessarily related to laser treatment. Laser procedures typically do not cause th...[Read More] Post-Retinal Laser Surgery: Understanding Visual Disturbances and Symptoms
Can Retinal Exams Detect Cataracts? Understanding Eye Health Concerns
Can a retinal fundus examination detect the presence of cataracts? Hello Doctor: I have been experiencing double vision in both eyes (even when covering one eye), and it feels like the shadow is gradually expanding. I have visited the retina and cornea departments at Chang Gung M...
Dr. Gao Pilin Reply:
Hello: If cataracts are present, they can definitely be detected. If the physician did not mention it, it is likely that there are none. In Taiwan, the ophthalmology department at Puzi Hospital is open on Monday, Tuesday, Thursday, and Friday mornings from 8:00 AM to 12:00 PM, an...[Read More] Can Retinal Exams Detect Cataracts? Understanding Eye Health Concerns