Understanding Vitreous Traction: Impacts on Vision and Treatment Options
Vitreous traction Hello, doctor. Thank you for your professional and thoughtful response. I have some follow-up questions: 1. If the left eye has undergone cataract surgery and the right eye has a myopia of -7.00 diopters, will there be an issue of anisometropia? Additionally, ...
Dr. Gao Pilin Reply:
Hello: 1. For a patient who has undergone cataract surgery in the left eye and has myopia and mild vitreomacular traction in the right eye, the management should be evaluated and recommended by an ophthalmologist based on your specific situation. Addressing the issue of anisometr...[Read More] Understanding Vitreous Traction: Impacts on Vision and Treatment Options
Understanding Conjunctival Spots: What You Need to Know About Eye Health
Questions regarding the conjunctiva? Dear Dr. Gao, Hello. I have observed spots on the conjunctiva of both my left and right eyes, which appear to be black and gray. I would like to ask you the following questions: Q1. I have noticed some black spots at the 9 o'clock posit...
Dr. Gao Pilin Reply:
Hello: Q1. Based on your description, the black spots on the limbus of the cornea may represent corneal pigmentation. This pigmentation can be caused by factors such as age, sun exposure, and genetics, and is usually harmless. However, the best approach is to have an eye examin...[Read More] Understanding Conjunctival Spots: What You Need to Know About Eye Health
Understanding Vitreomacular Traction and Cataract Surgery Options
Cataract, lens? Hello, I have myopia over 600 degrees, and my left eye's vision has decreased to 0.5, with distortion in my vision. The doctor at the medical center said that I can undergo surgery for vitreomacular traction. I would like to ask the following questions, thank...
Dr. Gao Pilin Reply:
Hello: 1. Vitreomacular traction syndrome can indeed lead to vision loss and distortion, but it is also important to rule out other potential ocular issues, such as cataracts. Typically, the physician will assess for other eye problems during the examination. If the doctor did no...[Read More] Understanding Vitreomacular Traction and Cataract Surgery Options
Understanding Flashing Lights in Vision: Causes and Concerns
Seeing flashes of light when opening your eyes? Sometimes, after tightly closing my eyes and then opening them, I see flashes of light. However, I had my retina examined three weeks ago, and there were no issues.
Dr. He Jianxian Reply:
Hello Markll: Forcefully closing your eyes is equivalent to applying external pressure on the eyes. After relaxing, the pressure response may cause the retina to be pulled, which could lead to seeing flashes of light. It is advisable not to frequently perform this action. Directo...[Read More] Understanding Flashing Lights in Vision: Causes and Concerns
Post-Cataract Surgery Questions: Vision Clarity and Lens Performance
Questions after cataract surgery and lens replacement? I had cataract surgery on my right eye three weeks ago, using Alcon non-diffractive multifocal intraocular lenses. The doctor said the surgery was successful and my vision is 20/20. However, when I intentionally use my right ...
Dr. He Jianxian Reply:
Hello Mr. Ming-Yun: The visual experience with multifocal intraocular lenses can vary from person to person; some individuals are very satisfied, while others may find it not as good as expected. Regarding glare, if the pupil is larger at night, this condition may occur. Consider...[Read More] Post-Cataract Surgery Questions: Vision Clarity and Lens Performance
Understanding Post-Cataract Surgery Vision: Balancing Near and Far Sight
Post-cataract surgery A netizen told me that during cataract surgery, doctors typically do not aim for a vision of 1.0 (20/20) and intentionally leave about 1 diopter of hyperopia, fearing that the patient may develop hyperopia in the future. Is there any truth to this? My right ...
Dr. He Jianxian Reply:
Hello Mr. Ming-Yun: Essentially, it is true that the power of the intraocular lens may change slightly over time, which is difficult to overcome. However, reserving an additional 100 degrees is intended to facilitate near vision, not to prevent future hyperopia. Director He Jian-...[Read More] Understanding Post-Cataract Surgery Vision: Balancing Near and Far Sight
Accidentally Scratched Eyelid: When to Seek Medical Attention?
Poked the eyelid? Hello Doctor: This morning while I was sleeping with my eyes closed, I accidentally scratched my eyelid with my fingernail while trying to relieve an itch. Currently, I don't feel any discomfort. I would like to ask if I need to see a doctor for this situat...
Dr. Gao Pilin Reply:
Hello: If you are not experiencing any discomfort, such as eye pain, blurred vision, redness, or unusual discharge, there may not be an immediate need to see a doctor. However, please continue to monitor your condition, and if any unusual symptoms arise, it is advisable to seek m...[Read More] Accidentally Scratched Eyelid: When to Seek Medical Attention?
Understanding Visual Field Differences Between Your Eyes
Differences in visual fields observed by both eyes? Hello, doctor. I would like to ask, when I alternate closing my left and right eyes while looking directly at the second line of "a" below, I notice that my left eye cannot clearly see the first line's "a&quo...
Dr. Gao Pilin Reply:
Hello: This situation may indicate a visual field defect or visual problem, especially when the conditions of both eyes are different. However, to determine your condition, I recommend that you visit an ophthalmologist for an examination as soon as possible. An ophthalmologist ca...[Read More] Understanding Visual Field Differences Between Your Eyes
Understanding Flickering Vision: Causes and Concerns in Eye Health
Fluctuating flashes of light in the visual field? Hello Doctor: A few days ago, I woke up in the middle of the night to use the restroom and suddenly noticed a flash at the edges of my vision. I thought it was just a trick of the light or due to blinking. After returning to my ro...
Dr. Gao Pilin Reply:
Hello: There could be multiple potential causes for this situation. Here are a few possible reasons: 1. Macular diseases: Certain macular conditions, such as macular degeneration, may lead to visual disturbances or flickering, especially in low-light environments. 2. Eye strain: ...[Read More] Understanding Flickering Vision: Causes and Concerns in Eye Health
Understanding Eye Lightning: Symptoms and Risks of Retinal Issues
Flashes of light in the corner of the eye? A few days ago on Friday, I experienced a phenomenon that seemed like a flash in the corner of my eye, possibly due to the movement of my eyeball, resembling sparks from wires touching each other. This morning, it occurred again, and I n...
Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, such as flashes, floaters, and bright spots around the eyes, this may be related to eye health, but it cannot be determined whether it is associated with retinal detachment or retinal tears. Only a physician can make a specific diagnosi...[Read More] Understanding Eye Lightning: Symptoms and Risks of Retinal Issues
Understanding Vision Test Discrepancies in Children: Causes and Care Tips
Vision examination Hello, my child had a vision test at school with both eyes scoring 0.8, but at the ophthalmology clinic, the vision was measured at 0.4 for both eyes. However, the refractor test showed a 25-degree angle. What could be the reason for such a significant differen...
Dr. Cai Wenyuan Reply:
It may be due to different standards, as there is less use of electronic devices.[Read More] Understanding Vision Test Discrepancies in Children: Causes and Care Tips
Understanding Post-Surgery Visual Disturbances: Flashes and Shadows
Flashes and floaters after retinal and cataract surgery? Hello, Director Gao. Five weeks ago, I underwent vitrectomy combined with cataract surgery and silicone oil filling due to retinal detachment. I have noticed a dark spot in the central vision of my right eye. Recently, I di...
Dr. Gao Pilin Reply:
Hello: First, regarding the issue of shadows. After silicone oil tamponade surgery, some patients may see interfaces in their field of vision, which can cause shadows. This phenomenon may persist for a period of time but usually improves over time. However, I cannot determine you...[Read More] Understanding Post-Surgery Visual Disturbances: Flashes and Shadows
Understanding Eye Flashes: Causes and When to Seek Help
Flashes of light in the eyes? I would like to inquire about a situation I've been experiencing. For the past week, after turning off the lights, I have noticed a blue-purple semicircular flash at the edges of my vision, initially only in my right eye, but yesterday it seemed...
Dr. Gao Pilin Reply:
Hello: Based on your description, the flashes you are experiencing may be related to retinal traction, especially if you notice them in low-light environments. Given your history of laser treatment, retinal tears, and floaters, these are all significant factors concerning retinal...[Read More] Understanding Eye Flashes: Causes and When to Seek Help
Understanding High Eye Pressure and Optic Nerve Health: Key Concerns
Optic nerve-related Currently, I would like to briefly describe my situation. I was diagnosed with elevated intraocular pressure and slightly larger optic nerve cupping at the age of 18. I have been undergoing regular visual field tests and fundus examinations for the past five y...
Dr. Gao Pilin Reply:
Hello: (1) Based on your description, your intraocular pressure is currently stable in the range of 21-22 mmHg, and your visual field test results are normal, with no abnormalities in the fundus. This may indicate that your condition is currently stable and may only be classified...[Read More] Understanding High Eye Pressure and Optic Nerve Health: Key Concerns
Understanding Eye Flickering Upon Waking: Causes and Solutions
Flashing lights in the eyes upon waking? Hello, I would like to ask about a condition I've been experiencing. Since May, every time I wake up, I have a flickering sensation in my eyes that lasts for about ten seconds, which only goes away after I blink. Additionally, I start...
Dr. Gao Pilin Reply:
Hello: The sensations of flickering and floaters you described may be common issues related to the eyes and visual system. However, since you have undergone multiple examinations by both ophthalmology and neurology without any abnormalities found, these symptoms may not indicate ...[Read More] Understanding Eye Flickering Upon Waking: Causes and Solutions
Understanding Eye Shadows: What Your Symptoms Might Indicate
Eye floaters Hello, doctor. I would like to ask you: I have high myopia and floaters, and recently I have noticed an increase in the floaters. I often cover one eye to compare the vision between both eyes, and I accidentally discovered that after covering one eye and looking at a...
Dr. Cai Wenyuan Reply:
Observe the symptoms, and if they persist, seek medical evaluation.[Read More] Understanding Eye Shadows: What Your Symptoms Might Indicate
Understanding Floaters: Are Black Lines in Your Vision a Sign of Retinal Issues?
When looking at the sky, people with floaters may see black lines or flashes? I have high myopia and also experience floaters. Recently, when looking at the sky, I sometimes see a sudden flash of a longer black line that quickly disappears. I would like to know if this could be a...
Dr. Gao Pilin Reply:
Hello: Due to your history of high myopia and floaters, the risk of retinal issues may be slightly elevated, especially if you experience symptoms of retinal detachment, such as sudden flashes of light, dark lines, or shadows in your field of vision. Considering this situation, I...[Read More] Understanding Floaters: Are Black Lines in Your Vision a Sign of Retinal Issues?
Understanding Eye Shadows: Symptoms and Concerns After Macular Hemorrhage
Eye floaters? Hello Doctor, I experienced a macular hemorrhage in my left eye on June 17, 2023. However, in mid-August, I encountered three situations: 1. In dark environments, before my eyes adapt to the darkness, when I close my eyes for a second and then open them, I notice ...
Dr. He Jianxian Reply:
Hello Mr. Ah Wei: The phenomena you mentioned are not quite normal. I recommend that you regularly visit an ophthalmologist for retinal monitoring and examination. Director He Jianxian, Ophthalmology, Nantou Hospital.[Read More] Understanding Eye Shadows: Symptoms and Concerns After Macular Hemorrhage
Understanding Vision Issues: White Grids and Ring Shapes in Eyes
There is a halo around the eyes? Hello Doctor: On August 4th, I underwent a dilated eye examination due to a significant increase in floaters in both eyes. The results showed that I had holes in both eyes, and the hospital performed laser treatment on one eye immediately. The oth...
Dr. He Jianxian Reply:
Hello Ms. Wu: 1. I have not encountered any patients with similar conditions, so I cannot provide a specific answer. However, if there is indeed a problem, theoretically, abnormal phenomena would not resolve on their own. 2. A follow-up examination would likely yield more accurat...[Read More] Understanding Vision Issues: White Grids and Ring Shapes in Eyes
Understanding Retinal Tears: Risks, Treatments, and Common Concerns
Retinal traction and tears? Hello, a few days ago I visited an ophthalmologist, and the doctor mentioned that I have a retinal tear in my right eye, but it may not necessarily require laser treatment. I currently have myopia of -6.00 diopters and astigmatism of -1.00 diopter, alo...
Dr. Gao Pilin Reply:
Hello: 1. Retinal tears and holes are not the same. A retinal tear refers to a loosening of the connection between the retina and the eye wall, but there is no hole. A retinal hole is a small opening in the retina, through which fluid or blood may seep in, potentially leading to ...[Read More] Understanding Retinal Tears: Risks, Treatments, and Common Concerns