Understanding Visual Field Loss: dB Calculation for Bilateral Hemianopia
Bitemporal hemianopsia Hello, doctor: I have experienced a stroke that caused a blockage in my brain, resulting in left homonymous hemianopia (loss of vision in the left visual field in both eyes). When assessing my disability level, the calculation was based on decibel (dB) valu...
Dr. Gao Pilin Reply:
Hello, Mimi: This value cannot be converted; it is measured using a visual field test based on your actual condition. This value will vary depending on the severity of the defect.[Read More] Understanding Visual Field Loss: dB Calculation for Bilateral Hemianopia
Understanding Vision Changes After Retinal Detachment Surgery
Post-retinal detachment surgery Hello Doctor: Due to retinal detachment, I underwent "left eye complex flat vitrectomy with laser photocoagulation" on September 20th, and it has been three weeks since then! Currently, when I look forward with my head down, my vision is ...
Dr. Gao Pilin Reply:
Hello, Xiao J: It is likely that the gas used for surgical tamponade has not been fully absorbed, which can cause blurred vision when obstructed by the gas. However, please consult your attending physician to determine the exact cause.[Read More] Understanding Vision Changes After Retinal Detachment Surgery
Is Yiyan Eye Drops for Glaucoma Treatment? Expert Insights Needed
Is Yiyan Yi an eye drop for glaucoma? Hello, Doctor Gao. Yesterday, my grandmother suddenly said that her vision was blurry. She has glaucoma and has already undergone surgery. After the examination, the doctor mentioned that she should not stop using her glaucoma eye drops. I ch...
Dr. Gao Pilin Reply:
Hello Mr. Yang: This is not a glaucoma medication! According to the drug's package insert, the indications are: conjunctivitis, keratitis, eye fatigue, dacryocystitis, hordeolum, and inflammation of the eye caused by ultraviolet and other light exposure.[Read More] Is Yiyan Eye Drops for Glaucoma Treatment? Expert Insights Needed
Understanding Floaters and Halos: Symptoms and Concerns for Eye Health
Halo and floaters syndrome? Hello Doctor, I discovered a year ago that I have floaters, and after an examination, the doctor said they are benign. A few months ago, I noticed dark shadows in my upper and lateral vision (which do not move or disappear). The doctor mentioned that m...
Dr. Gao Pilin Reply:
Hello: I cannot diagnose the reason for this, but this phenomenon may be related to the cornea. If your vision is also blurry, please seek medical attention as soon as possible; the importance of your eyes should outweigh that of a midterm exam.[Read More] Understanding Floaters and Halos: Symptoms and Concerns for Eye Health
Understanding Corneal Injuries: Causes of Blurred Vision and Astigmatism
Corneal issues? Hello, doctor. I would like to ask a question: Two months ago, I suffered a corneal abrasion from an object poking my eye. After a follow-up visit to the ophthalmologist, I was told that it has healed. However, my vision in that eye is still somewhat blurry. I wou...
Dr. Gao Pilin Reply:
Hello Ricky: Corneal injuries may lead to scarring after healing, which can result in increased astigmatism. If the injury is mild, it may gradually return to normal and potentially heal completely. However, if the injury is more severe, it can cause permanent changes.[Read More] Understanding Corneal Injuries: Causes of Blurred Vision and Astigmatism
Understanding Post-Surgery Vision Changes After Epiretinal Membrane Removal
Proliferative vitreoretinopathy (PVR) Hello, Doctor! I have the following questions to ask, and I would greatly appreciate your assistance! Q1. After undergoing vitrectomy and gas tamponade for a proliferative membrane in the right eye, it has been one and a half months since th...
Dr. Gao Pilin Reply:
Hello Grace: 1. It is difficult to determine the cause; please inform the attending physician and arrange for relevant examinations. 2. It is uncertain whether it is due to the destruction of photoreceptor cells. However, retinal injury can affect vision. 3. It could be residual ...[Read More] Understanding Post-Surgery Vision Changes After Epiretinal Membrane Removal
Understanding Blurry Vision After Iris Inflammation Treatment
Blurred vision Hello, doctor. I have been undergoing treatment for iritis in my right eye for a month. Initially, I experienced eye swelling, pain, and light sensitivity during the first week, but it has improved significantly since then. However, my vision in the right eye remai...
Dr. Gao Pilin Reply:
Hello Mr. Cheng: 1. Based on the progression of the condition, it may take some time, but the prognosis is generally good. 2. Iritis can sometimes affect the function of the pupil, and recovery may be slower.[Read More] Understanding Blurry Vision After Iris Inflammation Treatment
Understanding Floaters: Common Concerns and Eye Health Tips
Floaters and retinal-related issues? Hello, doctor. I have been experiencing floaters for two to three years, and their shape and number have not changed much. However, sometimes I see bright little dots in front of my eyes. Is this a normal phenomenon? 1. After having my retin...
Dr. Gao Pilin Reply:
Hello, Groundhog: 1. Yes. 2. This may be a visual phenomenon; no need for examination. 3. The duration of the flashes is shorter, while the visual phenomenon lasts longer. 4. The retina is normal; floaters do not affect vision. 5. Macular degeneration can be prevented. 6. It'...[Read More] Understanding Floaters: Common Concerns and Eye Health Tips
Eye Exposure to Toilet Water: Risks and When to Seek Medical Attention
Eyes splashed with dirty water? Hello, doctor! I would like to ask if getting toilet water splashed into my eyes can cause inflammation or other symptoms? How can I determine if I need to seek medical attention?
Dr. Gao Pilin Reply:
Hello, Xiaoyan: It is possible to develop an eye infection. If you experience symptoms such as redness of the eyes, eyelid swelling, eye pain, itching, increased discharge, or changes in vision, you should seek medical attention for an examination.[Read More] Eye Exposure to Toilet Water: Risks and When to Seek Medical Attention
Is One-Eye Laser Surgery Safe? Understanding Vision Discrepancy Risks
Myopia laser surgery Hello, I recently consulted about laser surgery for my myopia. After the examination, my right eye is -800 degrees, and my left eye has amblyopia. The laser surgeon suggested performing the surgery only on my right eye, as the left eye's amblyopia would ...
Dr. Gao Pilin Reply:
Hello, Xiaoxue: Because the left eye has amblyopia, the burden on the right eye may be the same whether treatment is performed or not. That's why the doctor made such a suggestion.[Read More] Is One-Eye Laser Surgery Safe? Understanding Vision Discrepancy Risks
Understanding Retinopathy of Prematurity: Vision Loss and Eye Movement Issues
Vision problems Hello, I would like to ask some questions. Can retinopathy of prematurity cause a 30-degree visual field loss with -18.14 dB? When the eyes are not turned inward, there seems to be a section on the inner side where I cannot see well; moving objects seem to disappe...
Dr. He Jianxian Reply:
Retinopathy of prematurity (ROP) is a condition caused by the use of high concentrations of oxygen in premature infants, leading to retinal proliferation and traction. Generally, it does not cause nystagmus unless the condition is severe and associated with visual impairment. Nys...[Read More] Understanding Retinopathy of Prematurity: Vision Loss and Eye Movement Issues
Understanding Shadowy Visual Disturbances: Causes and Treatments
Visual floaters? Hello, doctor. In the past, when I slowly moved my eyes to the far left, far right, and far up, I would notice a progressively larger, blurred circular shadow in my field of vision that seemed like a thin veil (it was just a thin layer, and I could still see, but...
Dr. He Jianxian Reply:
It still sounds like the symptoms of floaters. It is recommended to consult an ophthalmologist for a dilated fundus examination. If the fundus is normal, there should be no need for excessive concern. Director He Jian-xian, Department of Ophthalmology, Nantou Hospital.[Read More] Understanding Shadowy Visual Disturbances: Causes and Treatments
Understanding Strabismus and Myopia Laser Surgery Options
Myopia laser surgery and strabismus surgery? Hello, I recently consulted about strabismus surgery and laser surgery for myopia. After the examination, my right eye has a prescription of -800 diopters, and my left eye has amblyopia. I have decided to proceed with the strabismus su...
Dr. Chen Anping Reply:
Hello, due to the inability to assess your condition online without an actual examination, we recommend that you visit the outpatient clinic for a personal evaluation by a physician. The Hualien Hospital of the Ministry of Health and Welfare cares about your health.[Read More] Understanding Strabismus and Myopia Laser Surgery Options
Understanding Eye Floaters and Flashing Lights: When to Seek Help
Seeing bright spots? Hello Doctor: I have been experiencing floaters in both eyes for over two years now, and my myopia is controlled to within 100 degrees. Recently, during class, I have noticed bright dots that disappear in about 1 to 2 seconds, resembling the afterimages of no...
Dr. Gao Pilin Reply:
Hello Phoebe: 1. I am not sure what the reason is; it could be photopsia, but it's best to get it checked. 2. It's normal. 3. It usually persists for a long time. 4. Many people are experiencing symptoms of floaters at an earlier age now. 5. It's normal. 6. Everyon...[Read More] Understanding Eye Floaters and Flashing Lights: When to Seek Help
Flashes of Light When Closing Eyes: Should You Be Concerned?
When the lights are turned off, flashes of light appear with closed eyes? Hello, doctor. I have seen answers online that are similar to my situation, but since it seems different from what I am experiencing, I am asking here. A few weeks ago, I started experiencing symptoms of fl...
Dr. Gao Pilin Reply:
Hello Mr. Lin: This phenomenon is more akin to photopsia, which is a physiological occurrence. You can refer to: https://bit.ly/2z0VUDw. However, I cannot guarantee that there are no issues, so it would be better to get it checked when you have the time.[Read More] Flashes of Light When Closing Eyes: Should You Be Concerned?
Potential Risks of Eye Pressure During Dental Procedures
Questions about applying pressure to the eyeball? Hello doctor, today during my dental appointment, the dentist placed their palm over my left eye for support for a few minutes. I didn't say anything because I was afraid there might be mistakes during the cavity filling proc...
Dr. Gao Pilin Reply:
Hello JAM: There shouldn't be any issues; it might just be a sensation caused by pressure. Taking a break should help alleviate it.[Read More] Potential Risks of Eye Pressure During Dental Procedures
Understanding Eye Flashes: Symptoms and Causes Explained
Flashes of light in the eyes? Hello, doctor. Here's the situation: I have noticed that when I just wake up or am about to fall asleep, I see flashes of light in bright areas, but not in completely dark places. The flashes do not appear in the corners of my eyes; they occur i...
Dr. Gao Pilin Reply:
Hello A: This is more likely to be a visual phenomenon rather than vitreous detachment. The retinal examination showed no issues, so there is no need to worry.[Read More] Understanding Eye Flashes: Symptoms and Causes Explained
Understanding Peripheral Vision: Clarity and Degrees Explained
Peripheral vision 1. What are the degrees of central vision and peripheral vision? 2. Is peripheral vision clear, or is it only used to "sense" objects, such as being able to see the general shape of an object but not clearly, while still being able to perceive its mo...
Dr. Gao Pilin Reply:
Hello, Miss Lin: 1. Please refer to https://bit.ly/3LOMMTc 2. Peripheral vision is not meant for seeing clearly; it is to make you aware of objects in your surroundings, including movement. It only allows you to perceive approximate outlines. Central vision is what enables clear ...[Read More] Understanding Peripheral Vision: Clarity and Degrees Explained
Managing Mild Cataracts: Tips for Eye Care and Treatment Options
Mild cataract Hello, Dr. Gao. A few days ago, I visited an ophthalmologist and was diagnosed with mild cataracts, which are caused by degenerative changes due to high myopia. During the vision test, my left eye was 0.7 and my right eye was 0.9. The doctor only prescribed me eye d...
Dr. Gao Pilin Reply:
Hello, Ah Xiang: 1. It won't happen. 2. Currently, there are no active measures. 3. If it affects vision and causes inconvenience in daily life, then surgical treatment is necessary.[Read More] Managing Mild Cataracts: Tips for Eye Care and Treatment Options
Blurred Vision: Should You Rush for an Eye Exam?
Blurred vision Today, I visited an ophthalmology clinic due to an eye infection issue and mentioned to the doctor that I've been experiencing blurred vision recently. After the examination, my left eye was measured at 0.9 and my right eye at 0.8, with some astigmatism. I sti...
Dr. Gao Pilin Reply:
Hello Mr. Ke: Your vision of 0.8 and 0.9 is considered quite good. Generally, infections do not typically affect vision unless there is a retinal infection or an intraocular infection causing endophthalmitis. Since I cannot diagnose without an examination, if your physician has n...[Read More] Blurred Vision: Should You Rush for an Eye Exam?