Understanding Unexplained Visual Field Loss: Causes and Insights
Unexplained visual field loss Hello Doctor, last December I experienced a fist-sized visual field defect in my right eye, specifically in the nasal peripheral vision (25-40 degrees). Despite seeking medical attention, the cause of this defect remains undetermined. The obscuration...
Dr. Wang Zhangji Reply:
In bright light, the pupils constrict. If there is localized opacification in the lens, it may obstruct the visual field. When the light diminishes, the pupils dilate, allowing light to enter from the periphery to compensate. However, you mentioned that this is no longer occurrin...[Read More] Understanding Unexplained Visual Field Loss: Causes and Insights
Understanding Blurry Vision in Seniors: Causes and Surgical Options
The elderly person has blurred vision and requires surgery? Dear Dr. Wang, My mother is 68 years old and has been experiencing blurred vision for about two months. She has difficulty seeing the facial features of people on television and also struggles to see things up close. He...
Dr. Wang Zhangji Reply:
It could be a macular fold, but it's uncertain. It is in a different location than cataracts, and simultaneous surgery is not recommended.[Read More] Understanding Blurry Vision in Seniors: Causes and Surgical Options
Understanding Floaters: Impact of Basketball on Eye Health
Regarding floaters? I would like to ask the doctor again. I personally enjoy playing basketball, but during intense games, I notice that the floaters in my vision increase and become more prominent, even at night when I can see them clearly. Doctor, will playing basketball worsen...
Dr. Gao Pilin Reply:
Hello, playing sports will not worsen this condition. Due to variations in environmental lighting and the position of impurities in the vitreous body, the size and number of floaters can vary, which is a normal phenomenon. Vitreous floaters are caused by opacities in the vitreous...[Read More] Understanding Floaters: Impact of Basketball on Eye Health
Understanding Eye Floaters and Bright Spots: What You Need to Know
Eye highlights Hello Doctor, I started noticing transparent floaters in my eyes around the age of 16, but recently I feel that the floaters have increased, and there are also persistent bright spots (similar to floaters but bright white). Previously, these bright spots would only...
Dr. Gao Pilin Reply:
Hello, the situation you described is likely floaters, not cataracts. The bright spots are also a type of floaters. The causes of floaters can be categorized into three types. The first type is physiological, accounting for 20%, which indicates the presence of impurities in the e...[Read More] Understanding Eye Floaters and Bright Spots: What You Need to Know
Choosing Monofocal Intraocular Lenses: Understanding Power Adjustment for Young Cataract Patients
Monofocal intraocular lens power calculation? I am a young patient with cataracts and I am considering surgery, but I am quite confused about the choice of intraocular lenses. I am concerned about glare while driving at night and whether I can adapt to multifocal lenses. Some hav...
Dr. Gao Pilin Reply:
Hello: The advantage of multifocal intraocular lenses is that they allow for both distance and near vision without the need for glasses. However, as you know, the effectiveness of seeing both near and far is not as good as that of monofocal lenses. If you reserve 150-200 degrees ...[Read More] Choosing Monofocal Intraocular Lenses: Understanding Power Adjustment for Young Cataract Patients
Managing Significant Myopia Difference in Children: Tips and Concerns
The two eyes have a difference of 300 degrees in myopia? My child is currently 14 years old, and there is a 300-degree difference in myopia between the left and right eyes. A year ago, the difference was 150 degrees, and a recent examination indicates that the disparity seems to ...
Dr. Qiu Hanqing Reply:
Thank you for your concern regarding your child's vision issues! Generally, myopia can be classified into: 1. Refractive myopia: caused by excessive curvature of the cornea or lens, spherical lens, or nuclear cataract. 2. Axial myopia: this type is common among school-aged c...[Read More] Managing Significant Myopia Difference in Children: Tips and Concerns
Can Implantable Contact Lenses Correct Astigmatism? Risks and More
Implantable contact lenses Hello, doctor. My friend has severe myopia, approximately -1200 diopters, and due to insufficient corneal thickness, they are considering implantable contact lenses for vision correction. Can implantable contact lenses also correct astigmatism? Addition...
Dr. Wang Zhangji Reply:
Phakic intraocular lenses (IOLs) are not specifically designed for the correction of astigmatism. Possible complications include a decrease in corneal endothelial cells, cataracts, and iritis.[Read More] Can Implantable Contact Lenses Correct Astigmatism? Risks and More
Understanding Laser Surgery for Artificial Lens Clouding in Ophthalmology
Capsulotomy with laser for intraocular lens? Dr. Feng, I apologize for bothering you again. I previously inquired about the laser surgery mentioned in the title and would like to ask again: (1) If it is an artificial lens, how can there still be issues with opacification? (2) If ...
Dr. Feng Jiefan Reply:
Hello: 1. The clouding occurs in the posterior capsule of the human lens, not in the artificial lens itself. 2. Replacement is not an easy procedure. Thank you for your question. Wishing you health and safety. Ophthalmologist - Dr. Feng Chieh-Fan[Read More] Understanding Laser Surgery for Artificial Lens Clouding in Ophthalmology
Understanding Laser Surgery for Vision Clarity in Elderly Patients
Laser eye surgery Dear Dr. Feng, My mother is 83 years old and has undergone cataract surgery in both eyes. Three years ago, she had a stroke in one eye and currently relies on her other eye for vision. Recently, she has noticed that the vision in her remaining eye has been grad...
Dr. Feng Jiefan Reply:
Hello: It appears that you are referring to a capsulotomy laser surgery performed after cataract surgery. This procedure is primarily conducted for patients who experience opacification of the intraocular lens following cataract surgery, with the aim of improving vision. The risk...[Read More] Understanding Laser Surgery for Vision Clarity in Elderly Patients
Does Intense Exercise Worsen Cataracts and Floaters?
Cataract and intense exercise? Hello, doctor. I have symptoms of cataracts, specifically seeing a layer that looks like a spider web. I also experience some floaters when I play basketball. I would like to know if engaging in intense exercise, such as playing basketball, could fu...
Dr. Feng Jiefan Reply:
Hello: Cataracts and floaters are two different conditions, both of which can cause opaque objects to be seen in the left visual field. Cataracts may worsen due to exposure to sunlight, while vigorous exercise, as long as there is no ocular trauma, will not have an impact. Wishin...[Read More] Does Intense Exercise Worsen Cataracts and Floaters?
Challenges of Monocular Cataract Surgery: Addressing Fusion Issues
Undergoing cataract surgery on the right eye may lead to fusion issues? Hello: The patient is 45 years old. I performed cataract surgery on the right eye on May 5, 100 (Taiwan calendar), using a non-spherical monofocal intraocular lens. Postoperatively (as of May 18), the patient...
Dr. Ke Meilan Reply:
Hello: Theoretically, having one eye with a vision of 0.7 and the other with 0.9 should not cause fusion problems, unless there is a misalignment of the eyes. Wishing you health and safety. Ophthalmologist: Ke Mei-Lan[Read More] Challenges of Monocular Cataract Surgery: Addressing Fusion Issues
Understanding Optomycin-D: Uses, Side Effects, and Animal Applications
Inquiry about medication? Hello, I would like to follow up on a question. I went for a follow-up appointment today, primarily for dry eyes and a stinging sensation. The doctor prescribed Optomycin-D, stating that it is a steroid and should not be used for more than a week. What i...
Dr. Gao Pilin Reply:
Hello, regarding this medication, based on its name, it should be a steroid-containing antibiotic, and short-term use should be fine. The side effects are actually minimal, such as inhibiting corneal epithelial healing, and long-term use may lead to elevated intraocular pressure ...[Read More] Understanding Optomycin-D: Uses, Side Effects, and Animal Applications
Post-Cataract Surgery: Understanding Vision Changes and Treatment Options
Post-cataract surgery Hello Dr. Ke, my mother-in-law is 71 years old and underwent cataract surgery on her right eye last Wednesday (February 23). Currently, her vision is very blurry. Is it necessary to use dilating drops after the surgery? Is the blurry vision due to the dilati...
Dr. Ke Meilan Reply:
Hello, regarding your questions: Q: Is it necessary to use mydriatic agents after surgery? A: If the surgery is an extracapsular cataract extraction, then mydriatic agents are required. Q: Is blurred vision due to mydriasis? A: It can be one of the causes. Q: Does "o...[Read More] Post-Cataract Surgery: Understanding Vision Changes and Treatment Options
Understanding Eye Stroke vs. Blood Clots: A Patient's Guide
Is it a blood clot that hasn't resolved or an eye stroke? Hello, Dr. Ke. My father is 59 years old and underwent cataract surgery after experiencing blurred vision. A few days post-surgery, he began seeing spider-like images in his eye, and over the past few days, the dark s...
Dr. Ke Meilan Reply:
Ocular stroke can occur in both arteries and veins, and without examining the patient, it is impossible to determine the specific type. Damage occurs at the time of the vascular occlusion, and the prognosis depends on the extent and location of the blockage. Treatment focuses on ...[Read More] Understanding Eye Stroke vs. Blood Clots: A Patient's Guide
Understanding Binocular Vision Discrepancies and Their Impact on Eye Health
Binocular disparity adjustment issues? Hello Dr. Wang, I have been wearing +2.75 reading glasses. Recently, I suddenly feel that my vision is blurry and uncomfortable when watching TV, using the computer, and reading. An eye examination revealed that there is a significant diff...
Dr. Wang Zhishun Reply:
Hello, after developing cataracts, your prescription may change, including alterations in hyperopia, myopia, and astigmatism. It is recommended that you monitor your condition for a period of time and wait until your prescription stabilizes before getting new glasses. For mild ca...[Read More] Understanding Binocular Vision Discrepancies and Their Impact on Eye Health
Post-Cataract Surgery Symptoms: Understanding Eye Discomfort and Tears
Symptoms after cataract surgery? Hello, my mother underwent cataract surgery at your hospital last year. Since this year, she has been experiencing a stinging sensation in her eyes, which is accompanied by pain due to her tendency to rub them. Additionally, her eyes have been tea...
Dr. Hu Yusheng Reply:
Hello: Based on the situation you described, it should not be related to the cataract surgery. I hope your mother can return to our hospital for further examination to determine the true cause and provide appropriate treatment. Wishing you health and safety. Ophthalmologist - Dr....[Read More] Post-Cataract Surgery Symptoms: Understanding Eye Discomfort and Tears
Can My Grandmother Qualify for Severe Disability Benefits?
Can I apply for severe disability status? Hello, doctor. I would like to ask about my grandmother, who has a risk of diabetes. Two years ago, due to complications from diabetes, she had to undergo an amputation from her right foot's sole to her calf because of cellulitis. Sh...
Dr. Ke Meilan Reply:
Is it possible to apply for a higher subsidy without undergoing cataract surgery? The answer should be no. Without cataracts, one cannot apply for a disability certificate because it is only after treatment, when vision remains poor post-surgery, that one would apply. However, to...[Read More] Can My Grandmother Qualify for Severe Disability Benefits?
Understanding Macular Fold: Treatment Options and Specialist Guidance
Macular fold A month ago, my mother underwent cataract surgery at a clinic in the southern part of Taiwan, where a macular fold was discovered. The clinic was unable to provide treatment. Could your department offer medical assistance? Will treatment require hospitalization? Whic...
Dr. Hu Yusheng Reply:
Our ophthalmology department can provide relevant surgical treatments. Detailed information can only be discussed after an outpatient evaluation. Please make an appointment with Dr. Hu Yu-Sheng. If you have difficulty scheduling, you may see Dr. Sun Pu-Neng on Monday morning. If ...[Read More] Understanding Macular Fold: Treatment Options and Specialist Guidance
Choosing the Right Intraocular Lens for Cataract Surgery: Monofocal vs. Multifocal
Intraocular lens (IOL) Hello, Director! I would like to ask a question. My right eye has a myopia of -17.50 diopters and has cataracts, and I will be undergoing surgery soon. My left eye has a myopia of -10.00 diopters and a slight cataract, with both eyes having astigmatism of a...
Dr. Ke Meilan Reply:
If I were a patient, I would choose monofocal lenses to achieve better vision and wear reading glasses for close-up tasks. Wishing you health and safety, Ophthalmologist Dr. Ke Mei-Lan.[Read More] Choosing the Right Intraocular Lens for Cataract Surgery: Monofocal vs. Multifocal
Post-Cataract Surgery: Understanding Eye Pressure Tests and Vision Changes
Intraocular pressure testing after cataract surgery? Hello Dr. Ke: My father (75 years old) recently underwent cataract surgery. Postoperatively, his color perception and vision were normal, and he followed the doctor's advice to protect his eyes. However, during his follow-...
Dr. Ke Meilan Reply:
Hello Fred: 1. Yes, the airflow is minimal, and the day after the surgery, intraocular pressure checks can be performed to prevent the patient from having elevated pressure that may go unnoticed. 2. Yes, because regular filters appear blue-white, while yellow filters are closer t...[Read More] Post-Cataract Surgery: Understanding Eye Pressure Tests and Vision Changes