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
Foreign Objects in the Eye: Risks and Long-Term Effects Explained
Foreign body in the eye? Hello, doctor. Today I saw a news article about Acanthamoeba keratitis, and it reminded me of an incident that happened a long time ago. While I was eating, a piece of meat fell into my lunchbox, and because the chicken was chopped into pieces, some red f...
Dr. Gao Pilin Reply:
Hello: Based on the information you provided, the likelihood of amoebic keratitis or other parasitic infections is low, as your symptoms appear to be just temporary redness and swelling. However, it is still advisable to seek medical attention as soon as possible to ensure that y...[Read More] Foreign Objects in the Eye: Risks and Long-Term Effects Explained
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
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
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
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 Post-Dilation Symptoms: Is Dizziness Normal After Eye Exam?
Pupil dilation examination Hello, Doctor. I had a dilated eye exam around 3 PM today. The doctor mentioned that I might have floaters after seeing some dark spots, but after the examination, he said there were no signs of retinal tears and that I should just monitor the situation...
Dr. Gao Pilin Reply:
Hello: Regarding the sudden feeling of dizziness you mentioned, this may be due to your pupils being dilated by the mydriatic agent, which increases the amount of light entering your eyes, leading to eye fatigue and temporary visual adaptation issues. Typically, this sensation of...[Read More] Understanding Post-Dilation Symptoms: Is Dizziness Normal After Eye Exam?
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
Post-Retinal Laser Treatment Care: Essential Tips and Common Concerns
Post-operative care after retinal laser treatment? Hello, Doctor. I underwent retinal laser treatment on both eyes at the end of January and returned for a follow-up in late February. The doctor informed me that the treated areas were stable, which relieved my anxiety. The doctor...
Dr. Gao Pilin Reply:
Hello: 1. The formation of retinal tears is usually caused by uneven traction within the eye, with the most common reason being vitreous contraction and thickening of the retinal membrane due to aging. Other causes may include external trauma or impact to the eye, ocular diseases...[Read More] Post-Retinal Laser Treatment Care: Essential Tips and Common Concerns
Understanding Visual Afterimages and Floaters: Key Eye Health Insights
Visual persistence + floaters Hello Doctor: I have myopia of approximately 800 to 900 degrees, floaters, and dry eyes. I had a normal fundus examination a month ago. I have a few questions I would like to ask: 1. I sometimes experience significant visual persistence, for example...
Dr. Gao Pilin Reply:
Hello: 1. Based on your description, this may be a phenomenon known as "vitreous detachment," rather than visual persistence. The vitreous is the clear gel-like substance in the eye, which gradually shrinks and changes shape with age. When these changes begin to affec...[Read More] Understanding Visual Afterimages and Floaters: Key Eye Health Insights
Symptoms of Retinal Tears: When to Seek Eye Care for Flashing Lights
Retinal tear 1. What symptoms can occur with a retinal tear? 2. I currently experience flashes of light every time I move my eyes (does this indicate retinal detachment? My flashes do not resemble lightning but feel like a brief illumination). However, in dark areas, I only see ...
Dr. Gao Pilin Reply:
Hello: 1. Retinal tears may cause the following symptoms: - Sudden appearance of flashes, flickering, or other visual disturbances. - Presence of numerous small dark spots, similar to floaters. - Sudden loss of vision in a specific area, or overall vision becoming b...[Read More] Symptoms of Retinal Tears: When to Seek Eye Care for Flashing Lights
Understanding High Myopia: Risks, Symptoms, and Laser Correction Options
High myopia Hello, doctor. I have over 1000 degrees of myopia in both eyes and also experience floaters. I'm only in the third year of junior high school. Will the risk of blindness increase in the future? Additionally, will the floaters affect the progression of myopia? Rec...
Dr. Gao Pilin Reply:
Hello: Myopia and floaters typically do not lead to blindness, but if you have other eye conditions or a medical history such as glaucoma, diabetic retinopathy, or retinal detachment, your risk of blindness may increase. Regular eye examinations and following your physician'...[Read More] Understanding High Myopia: Risks, Symptoms, and Laser Correction Options
Understanding Flashing Black Spots in Your Vision: Causes and When to See an Eye Doctor
Flashing black spots in the field of vision? Hello Doctor, I would like to inquire about a symptom I experience. When I forcefully close my eyes and then open them (such as when washing my hair or yawning), I see black spots flickering and floating in my visual field, as if there...
Dr. Gao Pilin Reply:
Hello: Based on your description, you may be experiencing symptoms of floaters, which are typically described as black dots, lines, or spirals that flicker or move within your field of vision. Floaters are usually caused by the gradual liquefaction of the transparent gel-like sub...[Read More] Understanding Flashing Black Spots in Your Vision: Causes and When to See an Eye Doctor
Understanding Nystagmus: Eye Examination Insights and Vision Impact
Nystagmus Hello, when a physician examines a patient with nystagmus using an ophthalmoscope and slit lamp, will the images seen by the physician be affected by the movements of the nystagmus? Additionally, does the severity of nystagmus correlate with worse visual acuity?
Dr. Gao Pilin Reply:
Hello: When physicians use an ophthalmoscope or slit lamp for eye examinations, they typically observe a stationary image of the eye. If the patient has nystagmus, the image seen by the physician will appear to be oscillating. Therefore, even slight oscillations become very prono...[Read More] Understanding Nystagmus: Eye Examination Insights and Vision Impact
Understanding Dry Eye Disease: Effects of Eye Drops on Vision Clarity
Ophthalmic medications for dry eye syndrome? Hello Doctor, I recently visited an ophthalmologist because I was experiencing discomfort and dryness in my right eye. The ophthalmologist diagnosed me with dry eye syndrome in both eyes and prescribed some eye drops. After using them,...
Dr. Gao Pilin Reply:
Hello: This is likely not related to the eye drops, but more associated with the prescription of your eyes. It would be advisable to get an eye examination to determine if you need to wear appropriate glasses. Of course, if there is insufficient tear production, it can also affec...[Read More] Understanding Dry Eye Disease: Effects of Eye Drops on Vision Clarity
Understanding Retinal Issues: Symptoms, Causes, and Care Tips
Retinal issues Hello, I have myopia over 600 and experience floaters. I would like to ask: 1. When I look to the left and right, I see flashes of light. Could this be a sign of retinal detachment or vitreous detachment? 2. What does the flash sensation feel like? Is it only pr...
Dr. Gao Pilin Reply:
Hello: 1. Experiencing flashes of light when looking to the left or right may be caused by posterior vitreous detachment. Retinal detachment is usually accompanied by significant vision loss and visual field defects. 2. The sensation of flashes typically occurs when moving the ey...[Read More] Understanding Retinal Issues: Symptoms, Causes, and Care Tips
Understanding Eye Health: Key Insights for High Myopia and Pressure Concerns
I would like to learn about eye health knowledge? Hello, doctor. I have high myopia, with each eye measuring approximately 700 to 750 degrees. My eyes are prone to fatigue, and due to my studies, I have a lot of reading and papers to go through, which often leads me to visit opht...
Dr. Gao Pilin Reply:
Hello: 1. An increase in the cup-to-disc ratio indicates that the optic nerve is being compressed by intraocular pressure, leading to potential damage. Therefore, when the cup-to-disc ratio enlarges in clinical practice, it naturally prompts physicians to conduct further instru...[Read More] Understanding Eye Health: Key Insights for High Myopia and Pressure Concerns
Understanding Floaters: Causes, Concerns, and Management Tips
Floaters (vitreous floaters) Hello Doctor, I previously had an eye examination where the doctor administered a dilating agent. After the examination, the doctor said everything was fine. However, when I checked the health insurance translation service, it mentioned bilateral vitr...
Dr. Gao Pilin Reply:
Hello: 1. Suddenly seeing black spots may be a symptom of floaters, which are typically caused by debris or fibrous objects within the vitreous humor of the eye. If this occurs only occasionally and does not significantly affect vision, it usually does not pose a serious threat t...[Read More] Understanding Floaters: Causes, Concerns, and Management Tips
Can Contact Lenses Get Stuck in Your Eye or Eyelid?
Can contact lenses get stuck in the eye or under the eyelid? Hello, doctor. A few days ago, I wore colored daily disposable contact lenses, and within half a day, I felt a foreign body sensation. When I got home and removed the lenses, I noticed that a small corner of one lens wa...
Dr. Gao Pilin Reply:
Hello: If you discover that a small piece of your contact lens is missing, it is likely that this small fragment is still lodged in your eye or eyelid. In this situation, it is best to seek an eye examination and treatment immediately. While waiting for medical attention, you can...[Read More] Can Contact Lenses Get Stuck in Your Eye or Eyelid?