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
Sudden Vision Loss for 5 Minutes: When to Seek Emergency Care?
Sudden loss of vision in one eye lasting for 5 minutes? The patient has hypertension, diabetes, and chronic kidney disease, and was recently hospitalized for COVID-19. They have been experiencing headaches and brain fog. During the hospitalization, they received antibiotics and a...
Dr. Gao Pilin Reply:
Hello: It could possibly be a case of retinal detachment. For safety reasons, it is advisable to visit the emergency department for an examination.[Read More] Sudden Vision Loss for 5 Minutes: When to Seek Emergency Care?
Understanding Macular Pucker: Surgery Risks and Recovery Insights
Macular folds Hello, Doctor: I previously underwent a vitrectomy with gas tamponade due to retinal detachment, followed by cataract surgery with intraocular lens implantation. Now, I need to undergo another vitrectomy due to macular folds. I have a few questions: 1. After this ...
Dr. He Jianxian Reply:
Dear Ms. Wang Bichia: 1. The surgical theory for this procedure should not change the prescription. 2. The intraocular lens does not need to be replaced again. 3. Generally, macular folds are considered for treatment only if there is a significant decline in vision or distort...[Read More] Understanding Macular Pucker: Surgery Risks and Recovery Insights
Post-Retinal Laser Treatment: Understanding Increased Visual Disparity
After retinal laser treatment, the disparity between the two eyes has increased? Hello, doctor. 1. I received my glasses on July 8, 2022, with myopia and astigmatism measurements of -5.25/1.50 for the left eye and -6.25/0.75 for the right eye, with corrected vision of 1.02 in b...
Dr. He Jianxian Reply:
Dear Miss Ming, 1. Generally, retinal laser treatment does not cause changes in refractive error; any changes in refractive error may be due to other reasons. 2. It is recommended that you monitor your refractive error for a period of time to see if it continues to increase. Di...[Read More] Post-Retinal Laser Treatment: Understanding Increased Visual Disparity
Flashes of Light When Turning with Eyes Closed: Should You Worry?
Seeing flashes of light while closing your eyes and moving can be a phenomenon known as "phosphene." Phosphenes are the perception of light without light actually entering the eye, often caused by pressure on the retina or stimulation of I would like to inquire about ex...
Dr. He Jianxian Reply:
Hello Miss Huahua: When the eyeball moves vigorously, it can cause the vitreous to shift, which may pull on the retina and create a phenomenon known as "flashes." In some cases, this can actually lead to a retinal tear. Therefore, it is advised not to intentionally make...[Read More] Flashes of Light When Turning with Eyes Closed: Should You Worry?
Does Eye Fatigue Affect Recovery After Retinal Laser Surgery?
Will eye fatigue affect after retinal laser surgery? Hello, Doctor. It has been a week since I underwent preventive retinal laser surgery. Previously, I asked the doctor about post-operative care, and she advised me to avoid heavy lifting, vigorous exercise, and head injuries. Af...
Dr. Gao Pilin Reply:
Hello: The recovery period after surgery varies slightly from person to person. Your methods of resting and protecting your eyes are good, but it is still normal to experience eye fatigue and dryness during the recovery phase. Taking a 10-minute break every 30 minutes is a good p...[Read More] Does Eye Fatigue Affect Recovery After Retinal Laser Surgery?
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
Post-Vitreous Surgery and Retinal Detachment: What to Expect
Post-vitrectomy and post-retinal detachment surgery? Hello Doctor, I have a retinal detachment in my left eye. On July 20, the doctor performed a vitrectomy, filling it with air and heavy liquid. It has now been five weeks, and I notice that straight lines appear slightly distort...
Dr. He Jianxian Reply:
Hello Amelia: The distortion in the straight line may take some time to recover. As for the black circle below, it should theoretically be gas; however, after five weeks, the gas should have been fully absorbed. I hope this information is helpful to you. Director He Jianxian, Oph...[Read More] Post-Vitreous Surgery and Retinal Detachment: What to Expect
Sudden Darkening of Vision: Causes and When to Seek Help
Sudden loss of vision or temporary blackout in one eye? Hello Doctor: I am a patient with high myopia, with both eyes having a myopic prescription of over -1000. I have noticed that when I wake up in the morning (around 5-6 AM, just before dawn) and my eyes are still closed, my v...
Dr. Gao Pilin Reply:
Hello: This situation is usually unlikely to be an ocular stroke (retinal artery occlusion), as ocular strokes typically present with sudden vision loss, which may involve blurriness or loss of vision in a specific part of the visual field. It is recommended that you visit an oph...[Read More] Sudden Darkening of Vision: Causes and When to Seek Help
Understanding OCT, Eye Pressure, and Eye Drop Usage for High Myopia Patients
Regarding OCT examination and the use of eye drops for lowering intraocular pressure? Hello, Doctor. I am a patient with high myopia. Previously, my intraocular pressure measured around 23-24 mmHg in both eyes (without using any eye drops). I have undergone several visual field t...
Dr. Liang Ce Reply:
Recommendations: 1. Discuss the above situation further with your attending physician. 2. Alternatively, seek consultation at another ophthalmology clinic. Thank you. Wishing you good health![Read More] Understanding OCT, Eye Pressure, and Eye Drop Usage for High Myopia Patients
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
Understanding Eye Flashes: Risks of Retinal Detachment Explained
Flashes of light in the eyes? Doctor, I would like to ask a couple of questions: 1. I had an OCT and fundus examination at a major hospital on August 16th. The doctor mentioned that my peripheral retina is somewhat thin, but still within normal limits. However, I have been expe...
Dr. Gao Pilin Reply:
Hello: 1. Currently, the sensation you described of something sweeping from one side to the other beneath your eyes is unlikely to be related to retinal detachment. Since the examination results are relatively normal, just monitor any changes. 2. Seeing some light spots while you...[Read More] Understanding Eye Flashes: Risks of Retinal Detachment Explained
Understanding Risks and Decisions in Retinal Laser Treatment for High Myopia
Issues Related to Preventive Laser Treatment for the Retina Hello Doctor: I have high myopia in both eyes, over 1000 diopters (with astigmatism of 400+). Six months ago, I had retinal tears in both eyes and underwent peripheral retinal laser treatment. Last week, I had a dilated ...
Dr. Gao Pilin Reply:
Hello: Your concerns are valid, and retinal issues need to be handled with care. Areas of retinal thinning may increase the risk of developing tears or retinal detachment, but not every area of thinning will progress to a problem. The consideration for early treatment that you me...[Read More] Understanding Risks and Decisions in Retinal Laser Treatment for High Myopia
Are There Side Effects of Preventive Laser Surgery for the Retina?
Are there any side effects from preventive laser surgery? Hello Doctor! Three days ago in the afternoon, I underwent a scatter laser examination, and the doctor recommended that I need to have a preventive focal retinal laser surgery because the retina in the lower part of my rig...
Dr. Gao Pilin Reply:
Hello: Based on your description, you have experienced some new symptoms after undergoing localized retinal laser surgery. Here are my recommendations: 1. Black spots phenomenon: The sensation of having black spots in your line of sight after surgery may be normal, especially d...[Read More] Are There Side Effects of Preventive Laser Surgery for the Retina?
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: 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 Retinal Tears: Treatment Options and Risks Explained
Retinal tear 1. Can a retinal tear heal on its own without treatment, or is it safer to address it? 2. Can a retinal tear that heals on its own worsen? 3. Are there risks associated with retinal laser treatment? Thank you, doctor. 🙏🙏🙏
Dr. Gao Pilin Reply:
Hello: 1. If a retinal tear occurs, it is recommended to seek evaluation from an ophthalmologist. A retinal tear can be a serious eye condition, and treatment depends on the severity of the tear and other related factors. In some cases, a retinal tear may heal on its own, but whe...[Read More] Understanding Retinal Tears: Treatment Options and Risks Explained