Understanding Pupil Dilation: Concerns About Vision Clarity in Teens
Pupil-dilating agents issues? Hello, doctor. My daughter is currently 13 years old and has a significant difference in vision between her eyes, with the right eye at 0.3 and the left eye at 1.0. However, she can still see clearly. Recently, we visited an ophthalmologist who presc...
Dr. Gao Pilin Reply:
Hello Ms. Chen: Here are the side effects of mydriatic agents. The side effects produced by mydriatics include photophobia and blurred near vision. Short-acting mydriatics do not cause photophobia, but they are less effective in controlling myopia. On the other hand, long-acting ...[Read More] Understanding Pupil Dilation: Concerns About Vision Clarity in Teens
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 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 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 Pupil Dilation and Fundus Examination: Common Concerns
Fundus examination and mydriasis issues? Hello, doctor. I visited the ophthalmologist last night, received a dilating agent, and underwent a fundus examination (I have had strabismus since childhood). The doctor did not observe any symptoms during the examination. However, this m...
Dr. Gao Pilin Reply:
Hello Mr. Wang: It is possible that the effects of your mydriatic agent are still present, which may explain this phenomenon. It should resolve within a day. This is likely not a symptom of glaucoma. If you are concerned or if the symptoms persist, it is advisable to return for a...[Read More] Understanding Pupil Dilation and Fundus Examination: Common Concerns
Understanding Astigmatism Changes After Pupil Dilation in Children
After dilation, the astigmatism measurement changed from 0 to -0.5? Hello Director Tsai, I would like to ask about a routine vision examination for a 7-year-old girl. Before dilation, her astigmatism measurement was 0, but after dilation, it changed to -0.5. How should this be in...
Dr. Cai Wenyuan Reply:
Margin of error.[Read More] Understanding Astigmatism Changes After Pupil Dilation in Children
Understanding Temporary Darkening of Vision: Causes and Concerns
Darkening of the visual field? In the past few days, my vision occasionally becomes inexplicably dark for a brief moment (about a few seconds), similar to a flickering light, especially when I sleep with a night light on; it seems to occur every few seconds. However, it seems to ...
Dr. Gao Pilin Reply:
Hello, regarding the issue, it is likely unrelated to the laser. Vision tends to be poor in low light conditions, which may be due to the physiological metabolism of the retina. The dilation and constriction of the pupil, as well as the contraction of the ciliary muscle, could al...[Read More] Understanding Temporary Darkening of Vision: Causes and Concerns
Understanding Eye Degeneration: Symptoms and Solutions for Myopia
Ocular degeneration I have been experiencing floaters in my eyes for some time, and I have high myopia with mild astigmatism, approximately 600-700 degrees. My eyes are often dry, so I cannot wear contact lenses for long periods; I only wear them when necessary, and most of the t...
Dr. He Jianxian Reply:
Based on your description, you are likely experiencing some early signs of presbyopia, which is related to your prolonged use of computers and electronic devices. Regarding your vision significantly deteriorating in low-light conditions, this is likely due to pupil dilation in di...[Read More] Understanding Eye Degeneration: Symptoms and Solutions for Myopia
Understanding the Link Between Pupil Dilation and Acute Glaucoma Risks
Pupil dilation and its relationship with acute glaucoma? Hello, doctor. Recently, during a dilated eye exam at the hospital, the report mentioned that dilation could potentially cause acute glaucoma. It advised that if symptoms such as eye pain, headache, or nausea occur, I shoul...
Dr. Gao Pilin Reply:
Hello: Some individuals naturally have a narrower anterior chamber angle, making them more susceptible to acute glaucoma after dilation. However, most people do not have a narrow angle and are less likely to experience this condition. After four to six hours post-dilation, the ri...[Read More] Understanding the Link Between Pupil Dilation and Acute Glaucoma Risks
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 Eye Health: Concerns About Changes in Iris Color and Brightness
Eye problems Is it a serious issue if the color of the black part of the eye (the pupil) appears to be fading and slightly turning white? Also, should I be concerned if the area around the eye seems to be getting brighter? Do I need to get it checked?
Dr. Gao Pilin Reply:
Hello, Kaka: The part you refer to as the black part of the eye may actually be the iris! A lighter appearance of the iris could be due to a decrease in pigment, which allows more light to pass through, making it appear brighter. It is advisable to have it checked. Information fo...[Read More] Understanding Eye Health: Concerns About Changes in Iris Color and Brightness
Understanding Eye Redness and Vascular Changes After Inflammation
Eye redness, vascular proliferation? Hello! Dr. Gao, I would like to ask you a question. Last year, I experienced recurrent eye inflammation and elevated intraocular pressure, and I visited several ophthalmology clinics over the course of a month. During that month, I used a sign...
Dr. Gao Pilin Reply:
Hello Mr. Zhou: The redness in your eyes is primarily related to the dilation of blood vessels due to irritation, which is a normal phenomenon. Once the irritation is eliminated or alleviated, the redness will naturally subside. A slight increase in blood vessels is not a concern...[Read More] Understanding Eye Redness and Vascular Changes After Inflammation
Redness Around the Pupil: Managing Contact Lens Discomfort
Bloodshot eyes with redness around the black pupil? Hello, Dr. Gao! I have a 10-year history of wearing contact lenses, but due to the pandemic, I have significantly reduced their use. Last October and November, I experienced recurrent eye inflammation and followed my doctor'...
Dr. Gao Pilin Reply:
Hello Mr. Lin: The redness in your eyes is likely unrelated to your blood pressure; it is primarily due to the dilation of blood vessels in response to irritation, which is a normal phenomenon. Once the irritation subsides, the redness will naturally resolve. When removing contac...[Read More] Redness Around the Pupil: Managing Contact Lens Discomfort
Understanding Eye Redness: Causes and Solutions for Healthy Vision
Redness around the sclera, with bloodshot eyes? Dear Dr. Gao, Hello! I apologize for bothering you again! I'm sorry... Previously, I inquired about the redness in my eyes. Since the pandemic, I haven't been wearing contact lenses, and there has been significant improve...
Dr. Gao Pilin Reply:
Hello Mr. Lin: The redness in your eyes is likely not related to your blood pressure; it is primarily due to irritation causing the blood vessels to dilate, which is a normal phenomenon. Once the irritation is alleviated, the redness will naturally subside. When removing contact ...[Read More] Understanding Eye Redness: Causes and Solutions for Healthy Vision
Understanding Macular Degeneration: Causes, Risks, and Treatment Options
Macular degeneration Hello, Doctor. I have a few questions to ask: 1. What are the main causes of macular degeneration? I am an engineer, so I may spend around 12 to 13 hours a day using electronic devices. Does this increase the risk of developing macular degeneration? I am nea...
Dr. Gao Pilin Reply:
Hello Mr. Huang: 1. Regarding macular degeneration, please refer to: https://bit.ly/3wPVAzR. High myopia may increase the risk of early macular degeneration. The use of digital devices (3C) is primarily an indirect factor, such as worsening myopia. There is no conclusive evidenc...[Read More] Understanding Macular Degeneration: Causes, Risks, and Treatment Options
Understanding Eye Strain: Brightness Changes and Visual Disturbances
Vision becomes glaring? 1. I sometimes notice that the screen suddenly becomes brighter while using the computer. What could be the issue? 2. Occasionally, when I focus on the screen or an object, I see shadows or lines appearing in my peripheral vision, which disappear when I ...
Dr. Gao Pilin Reply:
Hello, Green Tea: 1. When the eyes are fatigued, the pupils may constrict, and when they dilate, they may appear brighter. 2. It could be a case of floaters. 3. If there are no foreign objects in the eye, it is generally not a concern. However, if there is a foreign object ca...[Read More] Understanding Eye Strain: Brightness Changes and Visual Disturbances
Understanding Eye Issues: Bright Lights and Glare with High Myopia
Eye problems Recently, I have been noticing that the sunlight, streetlights, and traffic lights appear brighter in the early morning and evening. At night, when I look at the streetlights, I see a slight halo around them. What could be the reason for this, considering I have myop...
Dr. Gao Pilin Reply:
Hello, Ah Pao: It could be an issue with your prescription; sometimes astigmatism can cause such phenomena. If your pupils are larger in the morning or evening, that might also contribute to this. Online answers can only serve as a reference; it is essential to seek medical atten...[Read More] Understanding Eye Issues: Bright Lights and Glare with High Myopia
Does Pupil Dilation Increase Risk of Macular Degeneration from Blue Light?
Pupil-dilating agent issues? Hello, doctor. I would like to ask if dilating drops, by enlarging the pupil, increase the amount of blue light entering the eye and consequently raise the risk of macular degeneration. I have been using a 0.05% long-acting dilating agent since elemen...
Dr. Gao Pilin Reply:
Hello, A-Jun: The blue light from mobile phones is not likely to cause macular degeneration, so there is no need to worry. However, remember to wear sunglasses when going outside, as excessive sunlight can more easily lead to macular degeneration. Online answers should only be us...[Read More] Does Pupil Dilation Increase Risk of Macular Degeneration from Blue Light?
Understanding Diplopia: Treatment Options and Causes Explained
Treatment for Diplopia (Double Vision) Hello Dr. Liang, I would like to ask you about whether individuals with diplopia can wear contact lenses to address the issue of mismatched focal distances between old glasses and the current condition of both eyes. What type of surgery coul...
Dr. Liang Ce Reply:
It is recommended that you discuss the above situation further with your attending physician to determine if any additional examinations are necessary. Thank you, and wishing you good health![Read More] Understanding Diplopia: Treatment Options and Causes Explained
Understanding Cataracts and Retinal Detachment: Symptoms and Concerns
Cataract eye disease inquiry? Hello, doctor. I would like to ask you about the signs and symptoms of certain eye diseases. 1. In cataracts, can the black part of the eye appear white as seen in image searches? Does cataracts cause eye pain or any other noticeable symptoms? Is i...
Dr. Gao Pilin Reply:
Hello: 1. Cataracts refer to the clouding of the lens, not the whitening of the eyeball. The lens, located behind the pupil, becomes opaque due to over-ripening. Cataracts themselves are not painful and cause blurred vision. Currently, there is no preventive measure available. ...[Read More] Understanding Cataracts and Retinal Detachment: Symptoms and Concerns