Is Chalk Really Dirty? Exploring Eye Health Concerns
Facial cleansing Is chalk really dirty? When I was younger, 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 mess, 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, leading to ...[Read More] Is Chalk Really Dirty? Exploring Eye Health Concerns
Is Chalk Really Dirty? Understanding Its Impact on Eye Health
Facial cleansing Is chalk really dirty? When I was younger, 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 Its Impact on Eye Health
Can Dilating Eye Drops Help Prevent Myopia in Children?
Preventing Myopia Hello, my child is currently in the fifth grade, and their vision measured at school is 1.0/0.9. Can I use a 0.01% concentration of a cycloplegic agent to prevent myopia? Thank you!
Dr. Cai Wenyuan Reply:
It is recommended to seek medical examination.[Read More] Can Dilating Eye Drops Help Prevent Myopia in Children?
Understanding Eye Issues: Common Questions About Floaters and Flashes
Eye problems Hello, I have high myopia and floaters. I have three questions to ask: 1. I sometimes see similar black spots drifting when I close my eyes. Is this normal? 2. The flashes occur more frequently when I intentionally focus my gaze. What is the reason for this? 3. A...
Dr. Gao Pilin Reply:
Hello: 1. Floaters are a phenomenon caused by the aggregation of transparent substances in the eye, typically appearing as black dots or thread-like shapes in the field of vision, especially noticeable against a white or bright background. It is also possible to see similar black...[Read More] Understanding Eye Issues: Common Questions About Floaters and Flashes
Understanding Orange Lines in Vision: Causes and Concerns
Seeing orange lines in the vision? Hello, Doctor. I have high myopia and floaters. Yesterday, when I lay down and turned off the lights, I suddenly saw an orange line (about the width of a finger) on the ceiling. Whether my eyes were open or closed, I felt it for a few minutes, a...
Dr. Gao Pilin Reply:
Hello: Based on your description, it is possible that you are experiencing a phenomenon known as visual persistence. Visual persistence is a common visual occurrence where your visual system retains a temporary image after your eyes have been exposed to bright light or after brie...[Read More] Understanding Orange Lines in Vision: Causes and Concerns
Understanding Floaters and Retinal Degeneration: Your Eye Health Questions Answered
Floaters and related issues? Hello, doctor. I have high myopia (over 600 in both eyes) and floaters. Last week, I had a dilated eye exam, and the doctor said, "There is degeneration around the retina, but no holes. If the floaters increase, you should seek medical attention....
Dr. Gao Pilin Reply:
Hello: 1. Based on your description, the doctor mentioned that there is degeneration around your retina, but no holes are present. This indicates that your eyes may have undergone some changes, but currently, it is not severe. 2. The degree of increase in floaters can vary from p...[Read More] Understanding Floaters and Retinal Degeneration: Your Eye Health Questions Answered
Managing Intraocular Pressure: Adjusting Glaucoma Medication for Better Control
Issues with Glaucoma Medications Hello, doctor. I was diagnosed with pre-glaucoma of primary open-angle type at the end of last year due to abnormal cup-to-disc ratio (0.5), elevated intraocular pressure (20/23), and visual field test results (MD: -2.57/-2.45 dB). After using Bri...
Dr. Gao Pilin Reply:
Hello: Brimonidine eye drops may cause some side effects, including: 1. Discomfort such as stinging, burning, redness, and dryness in the eyes. 2. Neurological reactions such as headaches and dizziness. 3. Gastrointestinal reactions including changes in taste, dry mouth, nausea, ...[Read More] Managing Intraocular Pressure: Adjusting Glaucoma Medication for Better Control
Common Questions About Myopia Laser Surgery: What You Need to Know
Questions about myopia laser treatment? Hello, Doctor. I previously underwent some preoperative evaluations for myopia laser surgery and have a few questions to ask you: 1. Is it necessary to measure nighttime pupil size in a very dark room? During my examination, some measurem...
Dr. Gao Pilin Reply:
Hello: 1. When assessing night vision, it is not necessary to be in complete darkness; an appropriately dim environment is sufficient. The size of the pupil in total darkness is not particularly meaningful. 2. Once the pupil reaches a certain size, it will not enlarge further and...[Read More] Common Questions About Myopia Laser Surgery: What You Need to Know
Understanding Corneal Ulcers: Causes, Treatment, and Concerns
Corneal ulcer Hello, doctor. Recently, I experienced an impact to my right eye. At the time, both of my eyes were experiencing allergies, and it was visibly apparent that my eyelid was scratched. When I sought medical attention, I only mentioned discomfort in my eyes and did not ...
Dr. Gao Pilin Reply:
Hello: Your condition may be due to external trauma to the eye, resulting in corneal damage, although the initial abrasion may not have been very apparent or may not have occurred at that time. However, over time, your symptoms have worsened, ultimately leading to corneal abrasio...[Read More] Understanding Corneal Ulcers: Causes, Treatment, and Concerns
Understanding Myopia Correction: Key Questions for Eye Health at 45
Correction of myopia Dear Dr. Gao, Hello. Recently, I went to get new glasses due to wear on my old pair and found the following refraction data: 7 years ago Now Left Right Left Right Myopia 650 675 ...
Dr. Gao Pilin Reply:
Hello: (1) At the age of 45, near vision gradually declines, leading to presbyopia. Therefore, the need for full correction of myopia depends on individual visual requirements and daily activities. If you need to focus on distant vision for extended periods, such as while driving...[Read More] Understanding Myopia Correction: Key Questions for Eye Health at 45
Understanding Retinal Issues: What to Know About Floaters and Visual Disturbances
Retinal-related issues? Hello, Doctor Gao. I am a 31-year-old engineer with high myopia (both eyes over -10.00 diopters, and astigmatism over -4.00 diopters). Two days ago (March 10), I went to an ophthalmology clinic for a retinal examination. The doctor said there were currentl...
Dr. Gao Pilin Reply:
Hello: 1. Floaters are a common ophthalmic condition that causes you to see images resembling small flying insects in your field of vision. When a doctor mentions that "floaters have increased," it typically refers to these images becoming more prominent or appearing ...[Read More] Understanding Retinal Issues: What to Know About Floaters and Visual Disturbances
Can You Exercise with Floaters? Understanding Eye Health Risks
Can people with floaters run? Hello, doctor. I have floaters in my vision. During the 228 holiday this year, I underwent a dilated eye exam, and my retina was found to be normal. However, I occasionally feel a sensation of flashes in my eyes. Will running during physical educatio...
Dr. Gao Pilin Reply:
Hello: Floaters refer to the phenomenon of seeing spots or specks in your vision, which typically do not cause harm to the retina. However, if you frequently experience flashes of light in conjunction with floaters, this may indicate a problem with the retina, so it is advisable ...[Read More] Can You Exercise with Floaters? Understanding Eye Health Risks
Understanding Retinal Degeneration and Floaters: Your Essential Guide
Retinal degeneration Hello, doctor. I have over 600 degrees of myopia and floaters. Yesterday, I underwent a dilated eye exam, and the doctor mentioned that there is degeneration around my retina, which appears white, but he did not see any holes and said that I do not need laser...
Dr. Gao Pilin Reply:
Hello: 1. After dilation, floaters may become more noticeable because the enlarged pupil allows more light to enter the eye, making the floaters easier to detect. 2. You can monitor changes in the shape, size, quantity, and movement patterns of the floaters. If there are signific...[Read More] Understanding Retinal Degeneration and Floaters: Your Essential Guide
Understanding Flashing Lights and Tinnitus from Glaucoma Medications
Experiencing flashes of light in the eyes after taking antihypertensive eye medication? Hello, doctor. Recently, I noticed flashes in my vision, which I understand could be due to retinal traction. This reminded me of a few months ago when I was prescribed medication to lower my ...
Dr. He Jianxian Reply:
"Flashes in the eyes" may refer to "photopsia," which is primarily caused by retinal traction and is not induced by medication. Clinically, it is rare for oral medications used to lower intraocular pressure to be associated with flashes or tinnitus. It is diff...[Read More] Understanding Flashing Lights and Tinnitus from Glaucoma Medications
Understanding Retinal Health: Risks and Precautions After Eye Trauma
Retinal issues Hello Doctor: Due to my high myopia and astigmatism (both eyes -1000, astigmatism -400), I had a retinal examination a few days ago at the age of 31. The doctor said my retinal condition is normal, but the peripheral retina has become thinner, and I was advised to ...
Dr. Gao Pilin Reply:
Hello: Your eye condition has progressed to high myopia and astigmatism, and the peripheral retina has become thinner. Therefore, any impact to the head should be taken seriously. Head trauma can lead to retinal detachment, especially if there are pre-existing issues with your ey...[Read More] Understanding Retinal Health: Risks and Precautions After Eye Trauma
Preoperative Cataract Assessments: Understanding Costs and Options
Preoperative Examination for Cataract Surgery Hello, Doctor: 1) At the beginning of this month, I took my father to the ophthalmology outpatient clinic at Taipei Veterans General Hospital for visual field testing and optical coherence tomography (OCT). After the examinations, he...
Dr. Gao Pilin Reply:
Hello: 1. The cloud-based data sharing only includes medication information used within the past three months; examination results and other aspects are not shared. Therefore, each medical institution needs to conduct these examinations preoperatively, and results from other lo...[Read More] Preoperative Cataract Assessments: Understanding Costs and Options
Understanding Corneal Ulcers: Symptoms, Treatment, and Recovery Insights
Corneal ulcer Hello, doctor. I was diagnosed with a corneal abrasion on March 3rd, and it got infected the next day. Initially, I was using Vigamox OPH solution 0.5% every two hours and applying an antifungal ointment before bed. However, by March 9th, the infection and symptoms ...
Dr. Gao Pilin Reply:
Hello: 1. The treatment duration for corneal injury and infection varies from person to person, but generally, it requires the continuous use of eye medications for at least a week to see significant improvement. If there is no improvement after a week, it is advisable to seek me...[Read More] Understanding Corneal Ulcers: Symptoms, Treatment, and Recovery Insights
Understanding Eye Pain and Flashing Lights: When to Seek Help
Continuation #193928: Flashing lights in the eyes? Hello Doctor, thank you for your quick response in addressing my concerns. I would like to ask you again: a few days ago, I experienced pain in my eye when moving it, but it only happened that one time and was not accompanied by ...
Dr. Gao Pilin Reply:
Hello: If you experience pain during a brief eye movement without accompanying flashes of light, it may be related to prolonged smartphone use or fatigue of the eye muscles. If the pain subsides after resting and does not recur, you can continue to monitor your symptoms. However,...[Read More] Understanding Eye Pain and Flashing Lights: When to Seek Help
Essential Eye Drop Guidance for Students with Vision Issues
Ophthalmic consultation? I am a third-year junior high school student preparing for the entrance exam, and my vision was measured below 0.8, which led to a referral for myopia testing. After seeing the ophthalmologist, the doctor mentioned that I would be able to get glasses next...
Dr. Gao Pilin Reply:
Hello: 1. The eye drops will definitely be sufficient, so please use them with confidence. Four times a day is approximately three meals and before bedtime. 2. The daily dosage will also be adequate. 3. ANTOL. 4. Generally, four times is recommended, but five times is also accept...[Read More] Essential Eye Drop Guidance for Students with Vision Issues
Impact of Missing Pre-Operative LASIK Reports on Future Eye Surgeries
Preoperative Examination Report for Myopia Laser Surgery Hello, doctor. I would like to ask if not having the detailed pre-operative examination reports for my laser vision correction (such as corneal curvature, thickness, corneal mapping, etc.) will have any impact on future eye...
Dr. Gao Pilin Reply:
Hello: If detailed examination reports prior to myopia laser surgery are not retained, it will impact subsequent eye examinations, diagnoses, and surgeries. These reports provide crucial information regarding corneal morphology, thickness, and topography, which are essential for ...[Read More] Impact of Missing Pre-Operative LASIK Reports on Future Eye Surgeries