Understanding Floaters: When to Seek Eye Care and Safety Tips
Observation of Floaters Hello, I have myopia of -775 diopters in my left eye and -800 diopters in my right eye. About a month ago, I visited an ophthalmologist for a vitreous floaters examination using a funduscope. The doctor mentioned that my retina was fine, but the optic nerv...
Dr. Gao Pilin Reply:
Hello: Actually, a gradual increase is generally not a concern, unless there is a significant surge that requires special attention. Therefore, an increase of 3 to 5 is considered normal. However, if there is a sudden increase of 10 to 20, it would be necessary to get it checked....[Read More] Understanding Floaters: When to Seek Eye Care and Safety Tips
Understanding Retinal Hemorrhage: Causes, Symptoms, and Next Steps
Retinal vascular hemorrhage Hello Doctor: My mother has recently been experiencing a foggy shadow in the upper right corner of her vision. According to her description, the shadow appears as a series of black lines. She has already visited both a small clinic and a large hospital...
Dr. Gao Pilin Reply:
Hello, Mimi: If there is retinal vascular hemorrhage and no issues have been detected upon examination, you can wait for the blood clot to resolve, and the condition should improve. However, the absorption of the blood clot may take some time. Soreness, fatigue, and bleeding shou...[Read More] Understanding Retinal Hemorrhage: Causes, Symptoms, and Next Steps
Understanding Transparent Lines in Vision: Symptoms of Vitreous Liquefaction?
Seeing transparent horizontal lines sliding down the wall? Hello, doctor: I would like to ask you a question. I have floaters, and recently when I look at the wall during the day, I see transparent horizontal lines sliding down in my vision. I'm not sure if this is due to vi...
Dr. Gao Pilin Reply:
Hello Amy: This may also be a type of floaters. It is not a problem with the retina. Issues with the retina are usually fixed.[Read More] Understanding Transparent Lines in Vision: Symptoms of Vitreous Liquefaction?
Understanding Transparent Lines in Vision: Symptoms of Vitreous Liquefaction?
Seeing transparent horizontal lines sliding down the wall? Hello Doctor: I would like to ask you a question. I have floaters, and recently when I look at the wall during the day, I see a transparent horizontal line sliding down in my vision. I am not sure if this is due to vitreo...
Dr. Gao Pilin Reply:
Hello Amy: This may also be a type of floaters. It is not an issue with the retina. Problems with the retina are usually fixed.[Read More] Understanding Transparent Lines in Vision: Symptoms of Vitreous Liquefaction?
Sudden Blackout in Vision: Causes and When to Seek Help
A brief moment of blackness in the vision lasting less than a second? Hello Doctor: Since last year, my vision has occasionally flashed black for less than a second, about 0.1 seconds, happening a total of five or six times. I have a history of floaters, and when I went to a clin...
Dr. He Jianxian Reply:
This phenomenon of visual darkness lasting less than 0.1 seconds does not correspond to any known clinical conditions. The precursor symptoms of a stroke that you referred to as "amaurosis fugax" typically last for several seconds, which is caused by a thrombus obstruct...[Read More] Sudden Blackout in Vision: Causes and When to Seek Help
Understanding Fundus Examination: Common Questions and Concerns
Fundus examination? 1. I recently had a fundus examination at the ophthalmologist. Before dilation, my visual acuity was 20/625 in the left eye and 20/675 in the right eye with astigmatism of 4.00. After dilation, it changed to 20/675 in the left eye and 20/725 in the right eye. ...
Dr. He Jianxian Reply:
1. The occurrence of increased refractive error after dilation is indeed rare, but it can still be encountered in clinical practice, and we cannot rule out the possibility of instrument error. 2. Refractive assessment can indeed be performed using this method, but the margin of ...[Read More] Understanding Fundus Examination: Common Questions and Concerns
Understanding Inner Visual Blind Spots: Causes and Concerns for High Myopia
Blind spot in the inner vision of the eye? Hello, doctor. I currently have myopia in both eyes with a degree of 1000-1050, which is classified as high myopia. I have been undergoing fundus examinations and fundus photography every three to six months, and recently had an OCT scan...
Dr. Gao Pilin Reply:
Hello, Xiao Xu: Sometimes, one's own perception may not be accurate, and the mouse cursor may not be very noticeable. A visual field test is necessary to determine the correct condition. There's no need to worry for now.[Read More] Understanding Inner Visual Blind Spots: Causes and Concerns for High Myopia
Understanding Uveitis, Floaters, and Post-Cataract Surgery Concerns
Uveitis, vitreous floaters, and related issues? I had cataract surgery on my left eye in February of this year. During a follow-up visit, the doctor mentioned that I have uveitis. At that time, my symptoms improved with dilation, but in mid-April, I started experiencing persisten...
Dr. Gao Pilin Reply:
Hello: 1. Uveitis is a general term, and iritis is one type of it. Floaters are a symptom that may not necessarily be related to the former, but the former may lead to the occurrence of floaters. Please refer to: https://bit.ly/3GIjh2O 2. Artificial intraocular lenses do not chan...[Read More] Understanding Uveitis, Floaters, and Post-Cataract Surgery Concerns
Seeing Black Lines Upon Waking: Causes and Solutions for Eye Issues
Upon waking up, you may see many black lines? Hello, recently I have been experiencing black lines filling my vision every morning as soon as I wake up, which quickly disappear. Sometimes, I also notice them when my eyes are half-closed, but they don't resemble the shapes as...
Dr. Gao Pilin Reply:
Hello: Floaters are generally not something that will disappear. If the doctor has examined you and found no issues, you can feel reassured to coexist with them. They may persist for a long time, but you will get used to them, so please don't worry.[Read More] Seeing Black Lines Upon Waking: Causes and Solutions for Eye Issues
Understanding Blue Afterimages: Causes and Solutions for Eye Issues
The eyes may perceive blue afterimages? Hello Doctor, I have dry eye syndrome and floaters, with myopia of about 175 degrees. Currently, when I look at a light-colored background (especially in dimly lit areas), I see blue color patches. I have recently consulted a doctor for an ...
Dr. Chen Anping Reply:
Mr. Hsuan: Hello, based on your description, it is possible that you are experiencing meibomian gland hypersecretion, which causes lipids to adhere to the corneal surface. Additionally, due to myopia and a dim background, the blue light spectrum in the lighting becomes more prono...[Read More] Understanding Blue Afterimages: Causes and Solutions for Eye Issues
Understanding Vitreous Degeneration and Macular Fold: Eye Health Insights
Vitreous degeneration and macular folds? Hello, doctor. Yesterday, I went to the hospital for an examination of my eyes. My left eye had previously undergone retinal detachment surgery with vitrectomy and silicone oil filling, and the oil was removed four months ago. During the e...
Dr. Gao Pilin Reply:
Hello: 1. If vision is not significantly affected, observation is sufficient; however, if vision begins to deteriorate and images start to distort, surgical intervention should be considered. 2. Vitrectomy will aim to remove the vitreous body as completely as possible, and any re...[Read More] Understanding Vitreous Degeneration and Macular Fold: Eye Health Insights
Understanding Fixed Floaters in Vision: Common Concerns and Insights
Black shadow in the eye (#180224 follow-up) Hello, Dr. Gao. I am inquiring about the black shadows in my vision mentioned in article #180224. After two indirect ophthalmoscopic examinations by an ophthalmologist, no signs of retinal damage were found, and I was diagnosed with flo...
Dr. Gao Pilin Reply:
Hello Mr. Ching: 1. Some cases of floaters can be relatively stable, especially the Weiss ring that occurs during posterior vitreous detachment. 2. Once the vitreous humor liquefies, it is possible for the floaters in the middle to be pulled to the side, or for the vitreous humor...[Read More] Understanding Fixed Floaters in Vision: Common Concerns and Insights
Understanding Nighttime Visual Obstructions: Eye Symptoms Explained
When sleeping, I feel that part of my vision near the corner of one eye is obstructed by a shadow and is not visible? Hello Doctor, I have floaters and high myopia. Recently, when I lie in bed at night (with the lights off), I feel like one eye has a part of my visual field block...
Dr. He Jianxian Reply:
The symptoms you are currently experiencing cannot be clinically explained. I recommend that you undergo a formal dilated eye examination at an ophthalmology department. If no abnormalities are found, there is no need to worry too much. Director He Jian-xian, Nantou Hospital Opht...[Read More] Understanding Nighttime Visual Obstructions: Eye Symptoms Explained
Understanding High Eye Pressure: Causes, Concerns, and Treatment Options
The issue of elevated intraocular pressure? Hello, Doctor Gao. I have high myopia (approximately -800 diopters) and severe floaters (I can see many floaters in both eyes). Recently, due to frequently seeing small bright spots, I visited an ophthalmology clinic for a fundus examin...
Dr. Gao Pilin Reply:
Hello: 1. Unilateral hypertension is also common. 2. The two may be unrelated; pain in the brow area is often associated with trigeminal neuralgia. 3. If the reading of 31 is also elevated, it is advisable to use medication before further examination. 4. It may be thought that a ...[Read More] Understanding High Eye Pressure: Causes, Concerns, and Treatment Options
Deep Black Lines in Vision: What Could It Indicate?
Seeing deep black lines when closing your eyes? Recently, I often see very deep black lines when I half-close my eyes or just wake up. These lines appear for less than half a second and resemble the shapes that occur when the eyes are exposed to bright light. I have floaters, but...
Dr. Gao Pilin Reply:
Hello: This is likely a phenomenon related to floaters, as when the eyes are not fully open, black lines can be observed, but they become less noticeable when the eyes are fully open.[Read More] Deep Black Lines in Vision: What Could It Indicate?
Understanding Floaters: What Those 'Worms' in Your Vision Mean
Sudden appearance of worms? I have a right eye prescription of -4.75 diopters and a left eye prescription of -5.00 diopters. Due to certain reasons, I had to attend classes at home and ended up using my phone excessively. After a few months, I suddenly started seeing one or two m...
Dr. Gao Pilin Reply:
Hello, Yaan: This is likely a phenomenon of floaters. I recommend that you get it checked.[Read More] Understanding Floaters: What Those 'Worms' in Your Vision Mean
Managing Acute Angle-Closure Glaucoma: Treatment and Care Strategies
Acute angle-closure glaucoma management and treatment options include: 1. **Medications**: Immediate treatment often involves medications to lower intraocular pressure. These may include carbonic anhydrase inhibitors (e.g., acetazolamide), topical beta-blockers (e.g., timolol),...
Dr. He Jianxian Reply:
In the case of an acute glaucoma attack, it is generally necessary to urgently lower intraocular pressure. If the pressure can be successfully reduced, subsequent treatment involves laser iridotomy, and emergency surgery becomes an unavoidable option. After the acute phase of tre...[Read More] Managing Acute Angle-Closure Glaucoma: Treatment and Care Strategies
Common Eye Issues: Concerns About Steroid Use and Dry Eye Management
Eye problems 1. Hello, I would like to ask about my previous long-term use of Betamethasone eye ointment on my eyelids for four years. I later learned that it contains steroids and should not be used long-term, so I stopped using it immediately. I had a fundus examination, and my...
Dr. He Jianxian Reply:
If the examination shows no abnormalities in intraocular pressure or the optic nerve, discontinuing treatment typically does not lead to secondary glaucoma. Regarding dry eyes, using eye ointments can often lead to blockage, so it is important to maintain regular cleaning. There ...[Read More] Common Eye Issues: Concerns About Steroid Use and Dry Eye Management
Understanding Temporary Eye Shadows: A Guide for High Myopia Patients
Eye floaters? Hello, doctor! I am a patient with high myopia (left eye -12.25; right eye -11.00) and I also have floaters. I am currently thirty years old. When I move my left eye, I experience a brief shadow that lasts for about less than a second. In my right eye, when I move i...
Dr. He Jianxian Reply:
Your description seems to indicate a phenomenon known as "floaters." If you have undergone a dilated eye exam and no issues were found, there is likely no need for excessive concern. Regular follow-up appointments to check the retina should suffice. Dr. Ho Chien-Hsien, ...[Read More] Understanding Temporary Eye Shadows: A Guide for High Myopia Patients
Understanding Symptoms of Floaters and Flashing Lights in the Eye
Vitreous floaters and flashes? A month ago, I noticed a prominent deep black line in my right eye along with hundreds of tiny black dots surrounding it. Additionally, when I turned my head from left to right in the dark, I saw an arc-shaped flash of light at the outer edge of my ...
Dr. He Jianxian Reply:
The sudden appearance of a large number of floaters should indeed raise concern. However, since you have undergone dilated fundus examinations twice without any issues being detected, it is likely that everything is fine. As for the flashes of light you see when turning your head...[Read More] Understanding Symptoms of Floaters and Flashing Lights in the Eye