Understanding Cataracts: Are Your Eye Symptoms Related?
Cataracts in the eyes Hello, Doctor: I would like to ask about my condition. I have floaters (dark spots, etc.) and presbyopia. Recently, I noticed that the color of the ring between my pupil and the sclera (is it called the 'iris'?) seems to be fading, becoming a bit l...
Dr. Cai Wenyuan Reply:
It is likely not cataracts; it is recommended to seek medical examination.[Read More] Understanding Cataracts: Are Your Eye Symptoms Related?
Understanding Flashing Lights After Preventive Retinal Laser Treatment
Retinal laser therapy Hello, Dr. Gao. I inquired about a medical opinion yesterday. Two weeks ago, I underwent preventive retinal laser treatment (the area of the tear has scabbed over). Recently, I have been experiencing flashes of light resembling lightning in the upper part of...
Dr. Gao Pilin Reply:
Hello: Preventive retinal laser treatment is typically aimed at patients with existing holes or tears, with the goal of preventing retinal detachment or further deterioration. The primary objective of laser treatment is to secure the retina to prevent the holes from enlarging or ...[Read More] Understanding Flashing Lights After Preventive Retinal Laser Treatment
Understanding Retinal Thinning and Holes: Symptoms and Concerns
Retinal thinning and holes? Hello Doctor, I would like to inquire about my condition. A month ago, I had a fundus examination that revealed a retinal tear which has since scarred over. The other eye has shown thinning, and in the past few days, I have noticed an increase in float...
Dr. Gao Pilin Reply:
Hello: 1. Flashes and floaters: Flashes and floaters are often associated with retinal issues. They may be symptoms of retinal tears or new holes. This requires further evaluation by a physician. 2. Follow-up retinal examination: It is advisable to consult an ophthalmologist as s...[Read More] Understanding Retinal Thinning and Holes: Symptoms and Concerns
Understanding Blurry Vision: Causes and When to Seek Eye Care
Misty vision? Two weeks ago, I had a fundus examination and was told that my floaters are currently not a problem, and I should return for a check-up in six months. However, in the past few days, I'm not sure if my vision issues are due to insufficient prescription in one ey...
Dr. Gao Pilin Reply:
Hello: You mentioned that your eyes sometimes feel slightly foggy, especially under indoor lighting. This could be due to surface issues of the eye, such as dry eye syndrome, or it may be related to insufficient prescription strength, scratches on your glasses, or other factors. ...[Read More] Understanding Blurry Vision: Causes and When to Seek Eye Care
Understanding Flashing Lights and Floaters After Retinal Laser Treatment
Laser treatment for retinal tears? Hello, Doctor. At the end of May and the beginning of June, I visited an ophthalmologist because I experienced intermittent flashes and visual disturbances in my right eye. A few days prior to the visual disturbances, I had accidentally consumed...
Dr. Gao Pilin Reply:
Hello: 1. Is there a type of floaters that is similar to photopsia? Floaters typically present as small black dots or thread-like objects drifting in the visual field, rather than as flashes of light. Photopsia is usually caused by physical changes in the retina, such as tears ...[Read More] Understanding Flashing Lights and Floaters After Retinal Laser Treatment
Understanding Sudden Bright Lights in Vision: When to Seek Eye Care
A flash of light appears in the eye? Hello Doctor, I have been experiencing floaters for the past six months, and I have had my retina checked twice during this period, both of which were normal. Just today at 2:00 PM, while I was running on a treadmill, I suddenly saw a bright l...
Dr. Gao Pilin Reply:
Hello: The sudden appearance of bright flashes of light may be a symptom of a retinal tear or detachment, especially if you have a history of floaters. It is crucial to pay close attention to this. I cannot determine whether it is a retinal detachment without an examination. Even...[Read More] Understanding Sudden Bright Lights in Vision: When to Seek Eye Care
Understanding Floaters and Presbyopia: Common Eye Concerns Explained
Floaters and presbyopia? Hello Doctor, I have approximately 700 degrees of myopia in both eyes. About ten years ago, I developed floaters, and after an examination, it was found that the peripheral retina in my right eye was slightly thin. I underwent laser surgery at that time. ...
Dr. Gao Pilin Reply:
Hello: 1. Presbyopia: The symptoms you described, particularly sensitivity to light and visual fatigue, may be a sign of presbyopia. Presbyopia is a condition that occurs with aging, where the lens of the eye gradually loses its flexibility, making it difficult to focus, especi...[Read More] Understanding Floaters and Presbyopia: Common Eye Concerns Explained
Understanding Fixed Black Spots in Vision: Possible Eye Conditions
Black spots in the eyes? I have high myopia and astigmatism of 1000 degrees in both eyes. I've had floaters since my teenage years, which are quite severe, but I've gotten used to them. Recently, I've noticed that my right eye occasionally sees a very noticeable bl...
Dr. He Jianxian Reply:
Hello Ms. Chen: The blinking caused by a true pathological condition will not go away. I recommend that you find some time to have a dilated eye examination with an ophthalmologist. Dr. He Jianxian, Ophthalmology Department, Nantou Hospital.[Read More] Understanding Fixed Black Spots in Vision: Possible Eye Conditions
Understanding Flashing Lights and Preventive Laser Treatment for Floaters
Floaters and flashes after receiving preventive laser treatment? Hello, doctor. I have floaters, and recently for the past 1-2 days, I have been seeing flashes and lightning outdoors at night. After an eye examination at the clinic, the doctor said there were no issues, but menti...
Dr. He Jianxian Reply:
Hello Mr. Kai-Kai: Preventive laser treatment for the retina is aimed at stabilizing the thinned peripheral retina, so even if the retina unfortunately tears in the future, it will not detach. As for how long it takes for a tear to lead to detachment, this cannot be determined in...[Read More] Understanding Flashing Lights and Preventive Laser Treatment for Floaters
Why Do I See Oval Shadows on White Walls When Lying Down?
When lying on my back and waking up, I see an oval black shadow on the white wall? Hello Doctor, when I wake up lying on my back, I often see large oval black shadows on the white wall in my field of vision. These shadows are fixed and not like the drifting type associated with f...
Dr. Gao Pilin Reply:
Hello: This phenomenon may be caused by vitreous floaters. When lying down, the floaters settle in front of the retina, making them appear particularly large. If you change your position, they move to another area, and you may not see them. I recommend that you visit an ophthalmo...[Read More] Why Do I See Oval Shadows on White Walls When Lying Down?
Understanding Elliptical Shadows in Vision: Causes and Concerns
Supine shadow Hello Doctor, thank you very much for your response. I forgot to mention in my previous question that I see the same oval black shadow with both eyes. When I close each eye individually, I still see the same shape. The oval black shadow does not appear when I sleep ...
Dr. Gao Pilin Reply:
Hello: The reason is the same as I mentioned before; both eyes may have vitreous floaters. Sleeping in a semi-reclined position with your head elevated can prevent the floaters from settling near the retina. If you sleep on your back, you may see them more clearly. First, rule ou...[Read More] Understanding Elliptical Shadows in Vision: Causes and Concerns
Understanding Vitreous Detachment: Symptoms, Treatment, and Eye Care Tips
Vitreous body 1. Is vitreous detachment and opacification primarily a result of the aging process leading to vitreous degeneration? 2. Does vitreous detachment require treatment? Under what circumstances is treatment necessary? How can one maintain eye health? 3. Can a fundus pho...
Dr. Gao Pilin Reply:
Hello: 1. Vitreous detachment and opacities are typically not caused by age, but rather due to the aggregation of proteins or fibrous changes within the vitreous body. While aging may increase the risk of occurrence, it is not the sole cause. 2. In most cases, mild vitreous detac...[Read More] Understanding Vitreous Detachment: Symptoms, Treatment, and Eye Care Tips
Post-Vitrectomy Gas Retention: Common Concerns and Solutions
Six weeks after right eye vitrectomy, the gas has not dissipated, making it difficult to wear glasses for vision correction? I have approximately 1500 diopters in both eyes. My right eye experienced macular traction on July 12 and underwent vitrectomy with intravitreal C3F8 gas i...
Dr. Gao Pilin Reply:
Hello: 1. The time for gas to dissipate after surgery varies from person to person, and in some cases, it may take longer. However, the presence of gas typically does not directly cause cataracts. Gas does not increase the risk of cataracts, but if you have any concerns, it is ...[Read More] Post-Vitrectomy Gas Retention: Common Concerns and Solutions
Understanding Black Shadows and Flashes in Your Vision: What to Know
The appearance of shadows and flashes in the eyes? Hello Doctor, I have floaters in my vision, but I recently had a dilated eye exam, and the doctor told me there were no issues. However, today my eyes felt a bit strained, so I decided to close them for a short rest. When I close...
Dr. Gao Pilin Reply:
Hello: Since you have previously undergone a dilated eye exam and were informed that there were no issues, but you are now experiencing new symptoms, I recommend that you visit an ophthalmologist again to describe your current symptoms. The doctor may need to conduct further eval...[Read More] Understanding Black Shadows and Flashes in Your Vision: What to Know
Understanding Floaters and Flashing Lights: When to Seek Eye Care
Vitreous floaters and flashes? Hello, Doctor. I would like to ask you again about a few concerns: 1. I discovered I have floaters almost a year ago (left eye 1150, right eye 950). Recently, when I cough or sometimes when I lie down (and occasionally when I wake up and open my e...
Dr. Gao Pilin Reply:
Hello: 1. The sudden onset of floaters you described may require an ophthalmological examination to determine the specific cause. Particularly if this occurs after recent coughing or when lying down, it could be related to the retina. It is advisable to see an eye specialist as s...[Read More] Understanding Floaters and Flashing Lights: When to Seek Eye Care
Understanding Floaters: Why Sleep Deprivation Causes Visual Disturbances
Floaters in the vision upon waking up? Hello, doctor. I would like to ask you about my condition. I have floaters in my vision, and starting two days ago, I have been going to bed later and waking up early, and I also took a nap. When I open my eyes after the nap, I experience a ...
Dr. Cai Wenyuan Reply:
Monitor the symptoms, and if they persist, seek medical evaluation.[Read More] Understanding Floaters: Why Sleep Deprivation Causes Visual Disturbances
Understanding Floaters: Causes, Symptoms, and When to Seek Help
Floaters Hello, I am nearsighted with over 500 degrees and have floaters. I underwent laser surgery last November due to a retinal tear. 1) Sometimes, in dim lighting, I suddenly see a small black spot in my field of vision. It doesn't happen often and disappears after a few...
Dr. Cai Wenyuan Reply:
Observe the symptoms, and if they persist, seek medical evaluation.[Read More] Understanding Floaters: Causes, Symptoms, and When to Seek Help
Understanding Eye Shadows: Common Concerns and Visual Fatigue
Eye floaters? I recently had a follow-up appointment and underwent a dilated eye exam, which showed no issues in the eight directions they checked. However, I'm not sure if it's related to the eye drops for fatigue, but when I get up, I often see faint shadows on the wh...
Dr. Gao Pilin Reply:
Hello: 1. Faint shadows and changes in color perception: The faint shadows and changes in color perception you experience when looking at white walls or ceilings upon waking may be related to tiny floaters (such as spots) in the vitreous humor. These floaters are usually normal...[Read More] Understanding Eye Shadows: Common Concerns and Visual Fatigue
Emergency Braking and the Risk of Retinal Detachment: What You Need to Know
Emergency braking and retinal detachment? Hello, doctor. I am a highly myopic engineer (both eyes over 1000 with astigmatism of 400+). I have a history of retinal tears in both eyes and have undergone laser treatment for them. Yesterday morning, while on a business trip, I took a...
Dr. Gao Pilin Reply:
Hello: First of all, the emergency braking situation you described could indeed put pressure on the eyes, but generally, a brief episode of emergency braking should not directly lead to retinal detachment or tears. However, given your history of retinal tears, it is crucial to en...[Read More] Emergency Braking and the Risk of Retinal Detachment: What You Need to Know
Understanding Black Spots in Vision: Are They Floaters or Something More?
Black spots in the eyes? 1. I have high myopia and astigmatism of 1000 degrees in both eyes. I have experienced floaters since high school, and recently I've noticed occasionally seeing a bright black dot that doesn't resemble typical floaters. This dot does not move an...
Dr. Gao Pilin Reply:
Hello: 1. Regarding the bright black spot you described, based on your account, it differs from typical floaters. Normal floaters are usually transparent or gray and float or move within your field of vision. If you notice a bright black spot that does not move, this is differe...[Read More] Understanding Black Spots in Vision: Are They Floaters or Something More?