Flashes of Light When Eyes Are Closed: Should You Be Concerned?
Seeing flashes of light when closing the eyes? Hello, Doctor. I have floaters in my vision and both of my eyes are mildly nearsighted, around -0.75 diopters. Since last month, I've occasionally seen flashes of light when my eyes are closed, especially severe upon waking up. ...
Dr. He Jianxian reply Ophthalmology
If the frequency of flashes has not significantly increased and you have already undergone three dilated retinal examinations, there should be no need for excessive concern.[Read More] Flashes of Light When Eyes Are Closed: Should You Be Concerned?
Understanding Flashing Lights in Vision: Symptoms and Causes
I frequently see flashes of light in my vision, as if someone is taking a picture with a flash? Hello doctor, recently I have been experiencing frequent flashing in my vision when looking at things, as if someone is repeatedly using a flash camera. It happens continuously several...
Dr. He Jianxian reply Ophthalmology
This is a phenomenon where the vitreous pulls on the retina, commonly referred to as "flash visual disturbances." It is recommended to visit an ophthalmology clinic for a dilated retinal examination.[Read More] Understanding Flashing Lights in Vision: Symptoms and Causes
Post-Surgery Vitreous Opacity: Concerns and Management After Retinal Detachment
Vitreous opacities after surgery? Hello Doctor, 1. I previously underwent scleral buckle surgery and gas injection due to retinal detachment, which resulted in significant vitreous opacities postoperatively (sometimes covering more than two-thirds of my vision). I experience bo...
Dr. He Jianxian reply Ophthalmology
1. The opacity should not increase; if it does not continuously obstruct vision, it likely does not require treatment. If treatment is necessary, surgical intervention may be the only option. 2. There is no such thing as a laser that vaporizes the vitreous. As long as regular che...[Read More] Post-Surgery Vitreous Opacity: Concerns and Management After Retinal Detachment
Sudden Loss of Focus in Both Eyes: Causes and Concerns Explained
Sudden temporary inability to focus with both eyes? Why did my eyes suddenly lose the ability to focus? I decided to take a break at night, and when I woke up, I found that I couldn't focus properly. My left eye can see clearly, and my right eye can see clearly, but both eye...
Dr. He Jianxian reply Ophthalmology
When experiencing difficulty concentrating, it is common to encounter moments of inability to focus. There's no need to worry too much; it should improve after a short while.[Read More] Sudden Loss of Focus in Both Eyes: Causes and Concerns Explained
Why Is My Eyelid More Swollen After Retinal Surgery?
Why is the eyelid more swollen after retinal detachment surgery? Hello Doctor, I would like to ask about my condition after undergoing retinal surgery (vitrectomy and gas tamponade) about two weeks ago. I have a wound, so my eyelid is swollen. Today, when I applied the eye drop...
Dr. He Jianxian reply Ophthalmology
It is not surprising that prolonged lying down can cause fluid to accumulate due to gravity, leading to eyelid edema.[Read More] Why Is My Eyelid More Swollen After Retinal Surgery?
Understanding Retinal Disorders in Children: Causes and Treatments
Retinopathy Recently, I noticed that my two-year-old son has a slight strabismus in his right eye. I took him to the hospital for an examination, but the doctor wasn't very clear. He mentioned that the optic nerve in the right eye is smaller and that there is some abnormalit...
Dr. He Jianxian reply Ophthalmology
Since I have not seen your son's retina, I cannot determine what specific issue he is facing. I recommend that you consult your son's attending physician for clarification before considering the next steps in treatment.[Read More] Understanding Retinal Disorders in Children: Causes and Treatments
Understanding Glaucoma: Key Questions and Concerns for Patients
Questions about glaucoma? Hello Doctor, I recently went to an ophthalmology clinic to get a new pair of glasses and underwent dilation. The doctor mentioned that my intraocular pressure (IOP) was 21 and 20, which is within the normal range but on the higher side. However, he poin...
Dr. He Jianxian reply Ophthalmology
It is quite rare to develop glaucoma at this age. I recommend that you visit a large hospital to see a glaucoma specialist for a thorough examination to confirm whether it is indeed glaucoma, and then consider the subsequent management options.[Read More] Understanding Glaucoma: Key Questions and Concerns for Patients
Experiencing Blurry Vision in Low Light: Causes and Solutions
Blurry vision in the dark? When moving from a bright room to a darker hallway or another room, there is a sensation of a thin veil in front of the right eye. However, this feeling disappears upon returning to the bright room. When going back to the dark room, the sensation reoccu...
Dr. He Jianxian reply Ophthalmology
It takes time to adapt from bright to dark environments, so you should be fine.[Read More] Experiencing Blurry Vision in Low Light: Causes and Solutions
Night Running: Understanding Visual Disturbances and Eye Health
Night running Running at night with streetlights, I ran for an hour and when I stopped, I noticed a white halo with a black circle in the middle in my vision. I could see it with my eyes closed and open, and it lasted for about ten seconds before disappearing. I would like to kno...
Dr. He Jianxian reply Ophthalmology
A short-term reduction in inflammation is generally not a concern, except in one situation: if, without any specific physical activity, your vision suddenly darkens and you cannot see clearly for about ten seconds, you should be particularly cautious. This is often a precursor to...[Read More] Night Running: Understanding Visual Disturbances and Eye Health
Understanding Halos and Glare from New Glasses: When to Seek Eye Care
At night, the streetlights and vehicle headlights appear to emit radiating light? Hello, Doctor. I have myopia of -600/-625 and astigmatism of -100 in both eyes. I also have floaters. Since my work involves using a computer in an office setting, I usually wear my old glasses with...
Dr. He Jianxian reply Ophthalmology
To determine if the issue is caused by your glasses, simply take them off and look at a streetlight or car headlights to see if the same condition persists. This will help identify the source of the problem. Wishing you good health.[Read More] Understanding Halos and Glare from New Glasses: When to Seek Eye Care
Can I Participate in Hot Air Ballooning After Retinal Surgery?
Retinal issues? Hello, Doctor. I am planning to go to Turkey in March next year for a hot air balloon ride. I had retinal surgery in April 2016 due to an injury, where only a scleral buckle was placed, and nothing else was done. Can I participate in this activity? I have heard th...
Dr. He Jianxian reply Ophthalmology
There should be no issues; hot air ballooning is considered a low-altitude activity, and the pressure changes are minimal, so it shouldn't cause any problems. However, I cannot guarantee the impact force upon landing; if it is not too strong, there should also be no issues.[Read More] Can I Participate in Hot Air Ballooning After Retinal Surgery?
Persistent Black Spots After Laser Treatment for Retinal Tear: What to Do?
After undergoing laser treatment for a retinal tear, there are still black spots present? A few days ago, I noticed a small black spot in my vision. Yesterday, I underwent laser treatment at Chang Gung Memorial Hospital, but today I still see the black spot. Is this a normal phen...
Dr. He Jianxian reply Ophthalmology
Black spots are generally caused by floaters, and laser treatment cannot make floaters disappear; therefore, black spots typically do not go away. This is for your reference.[Read More] Persistent Black Spots After Laser Treatment for Retinal Tear: What to Do?
Why Do I Still See Shadows After Laser Treatment for Floaters?
Why do I still see shadows after laser treatment? Hello, Doctor He. I had laser treatment for floaters a week ago, but I can still see shadows. Is this normal? The doctor who treated me said my floaters were caused by retinal detachment, which led to the leakage of the vitreous g...
Dr. He Jianxian reply Ophthalmology
The term "floaters" generally refers to the shadows we see, which are not affected by laser treatment and therefore do not disappear. Another situation is when the shadow is caused by a localized retinal detachment; after laser treatment, some parts may reattach, and th...[Read More] Why Do I Still See Shadows After Laser Treatment for Floaters?
Uncomfortable Sensation in Left Eye While Wearing Contact Lenses
There is a foreign body sensation in the left eye while wearing contact lenses? Hello, I started wearing contact lenses in 2011, and a few months ago, I began to feel a foreign body sensation in my left eye when wearing them. Even after switching brands, the feeling remained simi...
Dr. He Jianxian reply Ophthalmology
This situation usually occurs due to long-term wear of contact lenses, which can lead to changes in the conjunctiva. The best solution at this time is to stop wearing contact lenses and visit an ophthalmologist for examination and treatment. Wishing you a speedy recovery.[Read More] Uncomfortable Sensation in Left Eye While Wearing Contact Lenses
Understanding Nighttime Halo Effects: Causes and Concerns for Eye Health
Nighttime halos Hello, doctor. I have approximately 2000 degrees of myopia. In January and June of this year, I underwent two retinal tear repair surgeries on both eyes due to accidental trauma. In August, I noticed that objects appeared yellowish in my right eye. In September, I...
Dr. He Jianxian reply Ophthalmology
Based on your condition, it is possible that the lens has begun to become cloudy, which is commonly referred to as cataracts. However, if your vision can still be corrected adequately and glare is not too severe, it is advisable to monitor the situation.[Read More] Understanding Nighttime Halo Effects: Causes and Concerns for Eye Health
Can Retinal Detachment Affect Macular Health? Understanding Your Vision Issues
Retinal detachment with subretinal fluid affecting the macula? Previously, the examination revealed that the retinal detachment had affected the macula, causing distortion and blurriness in vision similar to macular degeneration. A month ago, I underwent scleral buckle surgery an...
Dr. He Jianxian reply Ophthalmology
Based on your condition, even if the retina has been reattached, it will take some time for your vision to gradually improve. Typically, a period of three to six months is needed, so please be patient.[Read More] Can Retinal Detachment Affect Macular Health? Understanding Your Vision Issues
Post-Laser Treatment for Retinal Tears: Common Concerns and Insights
Post-retinal tear laser treatment Hello, Doctor. I apologize for the interruption. I have a few questions to ask: A friend of mine, who previously underwent laser surgery for myopia of -9.50, had a laser procedure for a retinal tear. Recently, on October 2nd, they had another las...
Dr. He Jianxian reply Ophthalmology
1. Floaters are not easily improved, and one must learn to coexist with them. 2. Laser treatment does not change color perception; any differences in color vision may have existed prior to the laser procedure. 3. The likelihood of developing a retinal tear while flying is qui...[Read More] Post-Laser Treatment for Retinal Tears: Common Concerns and Insights
Managing High Myopia, Glaucoma, and Retinal Issues: Which Specialist to See?
Glaucoma retinal issues? Given your high myopia (left eye -1000, right eye -1300), glaucoma, and retinal issues, it is advisable to primarily consult with a retinal specialist. Currently, you are being monitored by Dr. He Zichang at National Taiwan University Hospital, which is a...
Dr. He Jianxian reply Ophthalmology
It is recommended that you consult a retinal specialist for follow-up, as retinal issues are generally more complex than glaucoma. As for whether the techniques at National Taiwan University are superior, I believe it depends on the individual physician's skills; not all mon...[Read More] Managing High Myopia, Glaucoma, and Retinal Issues: Which Specialist to See?
Can Coughing from a Cold Cause Retinal Thinning and Holes?
Retinal issues 1. Can a cold accompanied by persistent coughing cause holes to form in areas of retinal thinning? 2. If the examination results show mild thinning of the retina, is the likelihood of a hole being present high? I am very concerned, so I am asking the doctor. Thank ...
Dr. He Jianxian reply Ophthalmology
Severe coughing can indeed cause significant changes in abdominal pressure, which may lead to retinal traction and the formation of tears; however, the likelihood of this occurring is relatively low and would require a sufficiently intense cough. Generally, mild coughing should n...[Read More] Can Coughing from a Cold Cause Retinal Thinning and Holes?
Understanding Post-Surgery Vision Issues After Retinal Detachment Treatment
Retinal detachment Hello doctor, I had a scleral buckle and vitrectomy with silicone oil insertion for retinal detachment in my left eye at the end of March. Due to severe cataracts, I underwent cataract surgery with an artificial intraocular lens in early September. Before the s...
Dr. He Jianxian reply Ophthalmology
Because you have undergone more complex retinal surgeries, which can alter the original refractive power, it is recommended that you monitor your vision for a while before deciding on the next steps.[Read More] Understanding Post-Surgery Vision Issues After Retinal Detachment Treatment