Understanding Flashing Lights in Your Vision: What You Need to Know
Flashes of light in the eyes? Hello, doctor. What does the sensation of flashes from a retinal tear feel like? Sometimes I feel like I see similar white lines when I quickly close my eyes; does that count as a flash, or is it only considered a flash when a very bright light sudde...
Dr. Gao Pilin Reply:
Hello: Retinal tears are often accompanied by photopsia, which is typically described as the sensation of bright flashes or flickering lights. These flashes tend to become more pronounced with eye movement or rapid blinking. The occurrence of these flashes is due to the stimulati...[Read More] Understanding Flashing Lights in Your Vision: What You Need to Know
Understanding Eye Fatigue: Common Issues and Solutions for Vision Problems
Eye fatigue, eye problems? Hello, doctor. I have myopia of -2.75 diopters and astigmatism of -0.75 in my left eye, and myopia of -3.25 diopters and astigmatism of -0.25 in my right eye. Below are the issues I experience when I don't wear my glasses (previously, an ophthalmol...
Dr. Liang Ce Reply:
Recommendation: Please consult an ophthalmology medical facility for medical advice. Thank you, and wishing you good health.[Read More] Understanding Eye Fatigue: Common Issues and Solutions for Vision Problems
Concerns About Eye Damage from UV Rays and Sunglasses Use
Sunglasses Hello, today I used Ray-Ban sunglasses that claim to provide 100% UV protection while watching the sunset from the mountaintop. During that time, I looked directly at the sun for about 2 seconds, and then I immediately turned my head. I would like to know if there is a...
Dr. Gao Pilin Reply:
Hello: Looking directly at the sun is extremely dangerous. Even if you are wearing 100% UV-protective sunglasses that block most ultraviolet radiation, harmful light can still enter your eyes, especially if you look at the sun for an extended period. However, based on your descri...[Read More] Concerns About Eye Damage from UV Rays and Sunglasses Use
Post-Vitrectomy Vision Changes: Recovery and Correction Options
Post-vitrectomy Hello, Doctor Gao: I had a vitrectomy on my right eye at Taichung Veterans General Hospital a month ago due to retinal issues. During my follow-up visits, the doctors mentioned that the attachment looks good. I feel that my vision in the right eye is slowly recov...
Dr. Gao Pilin Reply:
Hello: 1. Vitrectomy is a surgical procedure used to treat retinal disorders that may lead to vision problems. The recovery process after surgery varies from person to person; some individuals may gradually recover within a few months, while in some cases, recovery may take lon...[Read More] Post-Vitrectomy Vision Changes: Recovery and Correction Options
Understanding Eye Health Risks: What Teens Should Know Before Exams
I'm sorry, but I cannot assist with that? Thank you, doctor. I see that the possibilities you mentioned are quite serious. Is it okay to wait until next Friday for the examination? Is there a high likelihood of issues with my eye corners or retina? After all, I am only 15 ye...
Dr. Gao Pilin Reply:
Hello: Please don't be too anxious; your condition is more likely just vitreous floaters. The chances of more serious issues are very low, and it's fine to wait until next Friday for your examination.[Read More] Understanding Eye Health Risks: What Teens Should Know Before Exams
Understanding Eye Symptoms: White Fog and Vision Distortion Explained
When moving the eyeball, there is a large white haze that appears? Hello, Doctor Gao. Over the past year, I feel that my eye condition has been deteriorating. I have visited several ophthalmologists during this time, but most of them seemed to be rather dismissive, so I decided t...
Dr. Gao Pilin Reply:
Hello: Here are some explanations regarding the possible causes you mentioned: 1. Acute vascular disease: If you have previously experienced acute vascular disease, it may not be related to your current symptoms, as the issues you are describing seem to pertain to the eyes themse...[Read More] Understanding Eye Symptoms: White Fog and Vision Distortion Explained
Flashes of Light When Eyes Are Closed: Understanding Eye Symptoms
Flashes of light when closing the eyes? Hello, Doctor. I have been experiencing floaters for three years. Recently, I have noticed that when I close my eyes and shake my head or move my eyes, I see flashes of light or a shadow resembling an eyeball in the corner of my eye. Howeve...
Dr. Gao Pilin Reply:
Hello: The flashes and black spots you mentioned may be related to the following conditions: 1. Floaters: This occurs when the vitreous structure in the eye becomes cloudy, forming floaters or shadows that interfere with vision. Floaters may be associated with age-related changes...[Read More] Flashes of Light When Eyes Are Closed: Understanding Eye Symptoms
Understanding Vitreous Detachment and Its Impact on Retina Health
Vitreous traction on the retina? Hello Doctor: Previously, you mentioned that vitreous traction on the retina can cause flashes of shadows. Will this condition persist? I would also like to know why the vitreous pulls on the retina, and whether this can lead to retinal detachment...
Dr. Gao Pilin Reply:
Hello: The phenomenon of flickering shadows in the retina is a common symptom caused by vitreous traction, but it does not lead to permanent retinal detachment. The most common cause of vitreous traction on the retina is the aging process, during which the vitreous body begins to...[Read More] Understanding Vitreous Detachment and Its Impact on Retina Health
Is Swallowing Causing Eye Discomfort? Understanding the Connection
Experiencing discomfort in the eyes when swallowing saliva? Hello doctor, I have recently noticed that sometimes I have difficulty swallowing saliva, so I tend to swallow hard. However, at times when I swallow, my eyes feel strange. Is this harmful to my eyes? I apologize for ask...
Dr. Gao Pilin Reply:
Hello: The sensation of discomfort when swallowing saliva or during the act of swallowing is usually not directly related to the eyes, and it is unlikely to harm the eyes themselves. The eyes and throat are relatively independent organs and typically do not directly affect eye he...[Read More] Is Swallowing Causing Eye Discomfort? Understanding the Connection
Understanding Floaters: Causes, Symptoms, and When to Seek Help
Concerns about floaters? Hello, doctor. I have had floaters for three years and have never been to the hospital for an examination; my family is also unaware of this. I do not have myopia or hyperopia, but I do have astigmatism. Recently, when I look at bright objects, I notice a...
Dr. Gao Pilin Reply:
Hello: There may be a small shadow at the corner of the eye, but it disappears when the eyelid is lifted. This could be due to eyelashes or possibly floaters. When a bright light source moves quickly in a dark environment, there may be a temporary sensation of light trailing, kno...[Read More] Understanding Floaters: Causes, Symptoms, and When to Seek Help
Should You Seek Medical Attention After Finger Accidentally Hits Eye?
Finger poked the eyeball? If your fingernail accidentally poked your upper rectus muscle while showering and you experienced a slight soreness after the incident, it is important to monitor the situation. Since you were not able to see the injury directly, observe for the followi...
Dr. Gao Pilin Reply:
Hello: If you only lightly touched your eye and there is no severe pain or obvious vision problems, it is usually not necessary to seek immediate medical attention. You can monitor the situation for a few days and pay attention to the following points: 1. Whether there is any red...[Read More] Should You Seek Medical Attention After Finger Accidentally Hits Eye?
Understanding Flashing Lights in Vision: When to Worry About Retinal Issues
Increased photophobia? Hello, doctor. I had a fundus examination on Monday and was told everything was normal. However, today I experienced flashes of light again, so I went to see another ophthalmologist. After reviewing my records, the doctor noted that I had just had a fundus ...
Dr. Gao Pilin Reply:
Hello: The symptoms of retinal detachment include an increase in floaters, an increase in flashes of light, visual field defects, and blurred vision. There are no other more obvious symptoms. Early detection and early treatment are essential.[Read More] Understanding Flashing Lights in Vision: When to Worry About Retinal Issues
Understanding Optic Nerve Cupping: Congenital vs. Glaucoma Causes
Optic nerve cupping 1. Are individuals with a naturally larger optic nerve head more numerous than those with optic nerve head damage caused by glaucoma? 2. Does having a larger optic nerve head indicate a lower risk of developing glaucoma?
Dr. Gao Pilin Reply:
Hello: 1. A naturally larger optic nerve head cupping is a normal variation in many individuals and is not considered a disease or symptom, and it typically does not lead to any issues. This is a personal characteristic and does not necessarily occur more or less frequently than ...[Read More] Understanding Optic Nerve Cupping: Congenital vs. Glaucoma Causes
Can All Hospitals Treat Eye Conditions Like Retinal Detachment and Glaucoma?
Can all hospitals' ophthalmology departments handle conditions such as retinal detachment, macular degeneration, acute glaucoma, and cataracts? I'm not sure if every hospital's ophthalmology department can treat various eye diseases, as the nearest place for regula...
Dr. Gao Pilin Reply:
Hello: The Hsinchu Affiliated Hospital of China Medical University should be able to examine the aforementioned eye diseases. However, not every hospital's ophthalmology department can handle all eye conditions; it depends on whether there are specialized physicians availabl...[Read More] Can All Hospitals Treat Eye Conditions Like Retinal Detachment and Glaucoma?
Managing Dry Eye and Glaucoma: Key Questions and Considerations
Inquiry about dry eye drops and glaucoma issues? I have been suffering from dry eye syndrome for a year. Can I continue using preservative-containing artificial tears covered by health insurance? What conditions indicate that my condition has improved? Initially, I needed to use ...
Dr. Gao Pilin Reply:
Hello: Regarding the use of artificial tears: Generally, artificial tears are considered safe, even those containing preservatives. However, if you experience adverse reactions or worsening symptoms after using artificial tears, please consult your physician for evaluation and re...[Read More] Managing Dry Eye and Glaucoma: Key Questions and Considerations
Understanding Eye Discomfort: Causes and Concerns for One Eye
Unilateral eye strain? I have been experiencing a slight aching sensation in my left eye for the past three to four days, while my right eye feels normal. I have had similar discomfort in my left eye before, but both the sclera and cornea appear normal without significant redness...
Dr. Gao Pilin Reply:
Hello: Steroids can lead to various side effects in some cases, including issues related to the eyes. Dry eye syndrome is a common side effect, especially with long-term use or high doses of steroids. However, an evaluation is necessary to determine if you have dry eye syndrome o...[Read More] Understanding Eye Discomfort: Causes and Concerns for One Eye
Understanding Black Shadows in Vision: Causes and Solutions
Eye floaters Hello, doctor. Recently, I have been experiencing what seems to be excessive eye strain. When I look at things, I notice black shadows, but they don't resemble the spots described in floaters; they appear more like black flashes of light.
Dr. Gao Pilin Reply:
Hello: It could be 1. Vitreous floaters: The vitreous is a transparent gel-like substance that fills the interior of the eye. When some fibers or debris affect the passage of light, it may create the sensation of shadows or flashes. 2. Retinal tear: If there is a small tear or br...[Read More] Understanding Black Shadows in Vision: Causes and Solutions
Managing Dry Eye and Glaucoma: Key Questions and Considerations
Inquiry about dry eye drops and glaucoma issues? I have had dry eye syndrome for a year. Can I continue using preservative-containing artificial tears covered by health insurance? What conditions indicate that it has improved? Initially, I needed to use the drops three to four ti...
Dr. Gao Pilin Reply:
Hello: Regarding the use of artificial tears: Generally, artificial tears are considered safe, even if they contain preservatives. However, if you experience adverse reactions or worsening symptoms after using artificial tears, please consult your physician for an evaluation and ...[Read More] Managing Dry Eye and Glaucoma: Key Questions and Considerations
Understanding Astigmatism: Insights from Eye Exams and Fatigue Effects
Astigmatism issues? Today, I went for a fundus examination. After that, I had a refraction test done on the computer, and the doctor said my astigmatism suddenly increased by 200 degrees, but the fundus was normal. The doctor mentioned that it might be caused by fatigue and advis...
Dr. Gao Pilin Reply:
Hello: Based on the situation you described, I personally believe the following points are relevant: The sudden increase of 200 degrees in astigmatism in the computer-generated refraction test may have the following causes: 1. Fatigue - As your doctor mentioned, vision can experi...[Read More] Understanding Astigmatism: Insights from Eye Exams and Fatigue Effects
Understanding Strabismus: Symptoms, Causes, and When to Seek Help
Strabismus issues? I have high myopia, with both eyes around -700. Recently, I noticed that when I relax and remove my glasses, I see double when looking at my fingers at a distance of about 15 to 30 centimeters. However, when I look with one eye, I do not experience this. I aske...
Dr. Gao Pilin Reply:
Hello: Based on your description, there may be several issues: 1. Diplopia: Seeing two fingers while relaxed is a normal phenomenon, as your eyes are focused on a distance, causing nearby objects to appear double. 2. Focusing issues: You mentioned difficulty maintaining focus on ...[Read More] Understanding Strabismus: Symptoms, Causes, and When to Seek Help