Understanding Visual Disturbances: Causes and Recommended Tests
Visual impairment Hello Doctor, I first experienced symptoms around the second year of junior high school, and it has been nearly ten years now. The frequency of episodes is not high, occurring about seven times over the past decade. Initially, I noticed black spots in my vision ...
Dr. He Jianxian Reply:
Hello, your condition seems more like a prodrome of a migraine, just without the accompanying headache. The visual disturbances you are experiencing are caused by abnormal changes in the brain, and there is no issue with your eyes. If you wish to get checked, you can consult a ne...[Read More] Understanding Visual Disturbances: Causes and Recommended Tests
Challenges and Treatment Options for Chemical Burn-Induced Corneal Stem Cell Deficiency
Issues Following Chemical Burns to the Cornea Hello Doctor: My eyes have suffered from chemical burns, and after treatment at Taipei National Taiwan University Hospital, I currently have issues with limbal stem cell deficiency in both eyes. The right eye has only a mild deficienc...
Dr. Gao Pilin Reply:
Hello: I apologize for not being an expert in this area, so I am not very clear about the treatments and cannot provide you with accurate answers. 1. National Taiwan University Hospital may not recommend surgery because it carries risks that could negatively affect vision. The ri...[Read More] Challenges and Treatment Options for Chemical Burn-Induced Corneal Stem Cell Deficiency
Understanding Unusual Black Spots in Vision: Beyond Floaters and Eye Aging
Seeing black spots that are different from floaters? Hello, doctor. I do not have myopia, but I have been experiencing floaters for about ten years, and dry eye syndrome for nearly the same duration. A few years ago, a doctor mentioned that I have congenital cataracts. Recently, ...
Dr. Gao Pilin Reply:
Hello: The symptoms you described may be related to various eye issues, including vitreous floaters, retinal diseases, and lens problems, among others. Since you have been regularly undergoing fundus examinations at a major hospital and your doctor has confirmed that the structur...[Read More] Understanding Unusual Black Spots in Vision: Beyond Floaters and Eye Aging
Understanding Post-Laser Surgery Symptoms: Black Spots in Vision
Laser surgery for small retinal tears? I had laser surgery for a small retinal tear in my right eye on Monday. On Wednesday, I experienced discomfort in my left eye and visited an ophthalmologist. During the procedures for both eyes, I underwent machine-assisted eye washing and m...
Dr. Gao Pilin Reply:
Hello: If you experience shadows after retinal laser treatment, it may be due to the area treated by the laser. The laser generates heat and light energy, which can cause thermal damage to the retinal tissue, leading to the appearance of dark spots or shadows in your visual field...[Read More] Understanding Post-Laser Surgery Symptoms: Black Spots in Vision
Post-Stye Surgery: Understanding Redness, Pain, and Discharge
After stye surgery Hello, doctor. I would like to ask if it is normal for my eye to be red and swollen on the third day after a stye surgery. I also feel a bit of pain when I touch the eye, and there is discharge from the inner and outer corners of the eye. Thank you.
Dr. Gao Pilin Reply:
Hello: It is quite common to experience redness, swelling, blinking discomfort, and discharge from the inner and outer corners of the eyes on the third day post-surgery. These symptoms are typically a normal response and may last for several days or weeks, depending on the severi...[Read More] Post-Stye Surgery: Understanding Redness, Pain, and Discharge
Understanding Color Perception Changes in Vision Loss
The colors seen by the eyes are red, blue, and green? Hello, Doctor. I am inquiring on behalf of my mother, who is around 50 years old. She has been experiencing issues with optic nerve degeneration, resulting in blurred vision where she can only perceive light and dark. Recently...
Dr. Gao Pilin Reply:
Hello: You mentioned that your mother is experiencing blurred vision and can only perceive light and dark due to optic nerve degeneration. These symptoms may be related to ophthalmic conditions such as glaucoma, retinitis pigmentosa, or cataracts. As for seeing people in blue, gr...[Read More] Understanding Color Perception Changes in Vision Loss
Understanding Colorful Spots in Vision: Is It Visual Afterimage or Floaters?
Seeing colored spots intermittently in the eyes? Hello, doctor. I've been experiencing this issue for the past 1 to 2 months, and it's quite bothersome. At the end of last year, I got a new pair of glasses (one lens is 600 and the other is 800) because I was having trou...
Dr. Cai Wenyuan Reply:
It may be vitreous floaters.[Read More] Understanding Colorful Spots in Vision: Is It Visual Afterimage or Floaters?
Do Atropine Eye Drops Increase Risk of Eye Diseases?
Do mydriatic agents cause eye diseases? Hello, doctor. Last December, after my ophthalmology appointment, I have been intermittently using atropine 0.5% eye drops as instructed by my doctor. However, I have the following concerns: (I am also taking lutein supplements) 1. Does the...
Dr. Gao Pilin Reply:
Hello: 1. The relationship between the use of dilating drops and the increased risk of macular degeneration or cataracts remains controversial. Some studies suggest that long-term use of dilating agents may be associated with an increased risk of macular degeneration and cataract...[Read More] Do Atropine Eye Drops Increase Risk of Eye Diseases?
Understanding Floaters: Are They Physiological or Pathological?
When looking at a white wall, there are many small dots that appear to move? Hello, doctor. Recently, when I look at the sky or a white wall, I see many small black and transparent dots in my right eye (they do not obstruct my vision). They move along with my eye movements. I wou...
Dr. Gao Pilin Reply:
Hello: The phenomenon you described sounds very much like physiological floaters. Floaters refer to changes in the transparent substances in the eye, such as the vitreous humor, leading to the appearance of black, transparent, or other colored spots or lines that move with eye mo...[Read More] Understanding Floaters: Are They Physiological or Pathological?
Understanding Myopia Progression Risks: Is 475 Diopters as Concerning?
Probability of Myopic Degeneration 1. Doctor, is my risk of complications similar to that of someone with -5.00 or -6.00 diopters, given that my myopia is -4.75 diopters in both eyes? 2. Is the risk of complications really high for those with -5.00 or -6.00 diopters? I've ...
Dr. Gao Pilin Reply:
Hello: 1. Your myopia is -4.75 diopters, which may have a slightly lower risk of complications compared to those with -5.00 or -6.00 diopters. However, it is still important to pay attention to your eye health, as individual factors such as the shape of the eyeball, corneal thick...[Read More] Understanding Myopia Progression Risks: Is 475 Diopters as Concerning?
Understanding Eye Flashes: Causes, Severity, and When to Seek Help
Flashes of light when closing the eyes? 1. Is the severity and brightness of flashes caused by vitreous traction directly proportional? Does stronger traction lead to more severe flashes? 2. Doctor, when I lie flat, I sometimes see thin lines of light (they are dim and not very ...
Dr. Gao Pilin Reply:
Hello: 1. The severity and brightness of flashes caused by vitreous traction do not necessarily correlate. While generally, greater traction leads to more noticeable retinal stimulation, other factors such as light intensity and the condition of the retina also play a role. 2...[Read More] Understanding Eye Flashes: Causes, Severity, and When to Seek Help
Understanding Eye Issues: Retinal Detachment, Flashes, and More
Eye problems Hello, doctor. I have some questions I would like to ask: 1. When a retinal tear worsens into a detachment, does the vision loss happen instantly, or does it gradually darken from the edges? 2. If I just had an eye examination last month and am now experiencing new ...
Dr. Gao Pilin Reply:
Hello: 1. Sudden retinal detachment may lead to a sudden loss of vision, while chronic detachment may begin with gradual dimming from the periphery, resulting in progressively blurred vision. 2. Yes, if new flashes of light or other visual disturbances occur, it is advisable to s...[Read More] Understanding Eye Issues: Retinal Detachment, Flashes, and More
Understanding Binocular Vision Issues: When One Eye Can't Focus
The two eyes are unable to focus, with a distance of approximately far and wide between them? One eye can focus normally at a close distance, while the other eye starts to lose focus at a farther distance. The right eye tends to drift towards the yellow lines on the road, while t...
Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, it is possible that you are experiencing strabismus, where one eye appears misaligned when looking at objects. The causes of strabismus may include ocular muscle imbalance, neurological abnormalities, or thyroid eye disease, among other...[Read More] Understanding Binocular Vision Issues: When One Eye Can't Focus
Post-Cataract Surgery: Understanding Vision Differences in Each Eye
Post-cataract surgery Hello Doctor: I have myopia of 1000 degrees in my right eye and 600 degrees in my left eye. I underwent cataract surgery in both eyes and had artificial intraocular lenses implanted, with a target of leaving 200 degrees of myopia in each eye. After the surge...
Dr. Gao Pilin Reply:
Hello: After surgery, when you observe objects with only one eye, you may notice a difference in size due to the original refractive errors of your two eyes being different. Additionally, even if the same degree of myopia remains post-surgery, it may still affect your vision. The...[Read More] Post-Cataract Surgery: Understanding Vision Differences in Each Eye
Understanding Unilateral Blurred Vision: Causes and Next Steps
Continuation of #194311, monocular text distortion? Hello Dr. Gao: Following up on <a href="https://adoctor.tw/article/194311">#194311</a>, I went to an ophthalmology clinic for an examination, and no issues were found. I then visited an optical store to tes...
Dr. Gao Pilin Reply:
Hello: If you have already undergone examinations at an ophthalmology clinic and an optical store but still cannot identify the issue, further evaluation may be necessary to determine the cause. You can visit an academic hospital's ophthalmology department for more comprehen...[Read More] Understanding Unilateral Blurred Vision: Causes and Next Steps
Understanding Prescription Issues for Myopia: A Guide for Patients
Prescription lens degree issues? Dear Dr. Gao, I have myopia (R: -7.75, L: -7.50) and after dilation, my measurements were (R: -7.50, L: -7.25). My dominant eye is the right one, and my current prescription for glasses is (R: -7.25, L: -7.00). Recently, I noticed that when I use...
Dr. Gao Pilin Reply:
Hello: Based on your description, it seems that your left eye's vision may not be as good as your right eye's. It is normal for there to be differences in visual acuity between the two eyes, so it is not necessary for both eyes to have the same level of vision. Accordin...[Read More] Understanding Prescription Issues for Myopia: A Guide for Patients
Understanding Astigmatism in Children: A Guide for Parents
My 5-year-old child has astigmatism of over 200 degrees? Hello, Director Tsai. My 5-year-old child was found to have astigmatism during a vision examination, with uncorrected vision of 0.5 in both eyes. With glasses, the right eye is 0.8 and the left eye is 0.7. The doctor mentio...
Dr. Cai Wenyuan Reply:
Amblyopia should be treated as early as possible; if there are any doubts, it is advisable to seek a second opinion from another hospital or clinic.[Read More] Understanding Astigmatism in Children: A Guide for Parents
Post-Retinal Laser Surgery: Understanding Symptoms and Care
Post-retinal laser surgery Hello, doctor. I have high myopia close to 1000 degrees. Recently, I've been experiencing frequent flashes and wavy vision. I visited an ophthalmologist yesterday and found three small holes in my left eye, which were treated with laser therapy. To...
Dr. Gao Pilin Reply:
Hello: Due to your recent laser treatment, it is normal for your eyes to experience pain and redness. In the first few days following laser therapy, you may experience some discomfort, including eye pain, a stinging sensation, burning sensation, and conjunctival redness, which ty...[Read More] Post-Retinal Laser Surgery: Understanding Symptoms and Care
Is Chalk Really Dirty? Understanding Eye Health Concerns
Facial cleansing Is chalk really dirty? When I was young, I often heard elders say that chalk is very dirty, so I am curious if chalk is truly dirty.
Dr. Gao Pilin Reply:
Hello: Chalk itself does not cause significant dirtiness, but it does produce dust, which may have some negative health effects. When students write or erase on a blackboard with chalk, a large amount of dust is generated, which can be inhaled during the breathing process, leadin...[Read More] Is Chalk Really Dirty? Understanding Eye Health Concerns
Understanding Visual Distortion in One Eye: Is It Astigmatism?
Monocular distortion of letters, astigmatism? Hello, Doctor Gao: When looking at computer text with both eyes, the image appears as bright and clear as when viewed with the left eye alone. However, when using only the right eye, the text becomes faint, and there is some distortio...
Dr. Gao Pilin Reply:
Hello: Your symptoms may be caused by astigmatism. Astigmatism is a visual condition that makes it difficult for the eyes to focus light in all directions, thereby affecting the quality of vision. The degree and axis of astigmatism need to be examined and corrected by an ophthalm...[Read More] Understanding Visual Distortion in One Eye: Is It Astigmatism?