Understanding Flashing Lights in Vision: When to Seek Eye Care
Suspected photopsia Hello, Doctor. I have a question I would like to ask. 1. I have been experiencing flashes since November of last year. I went for an examination in January, and the doctor said there was no issue. Recently, the flashes stopped, which made me very happy. Howe...
Dr. Gao Pilin Reply:
Hello: 1. The symptoms you described may be related to vitreous liquefaction, which occurs as we age when the proteins within the vitreous humor gradually degenerate and condense, causing the vitreous to become more liquid and resulting in various visual symptoms, including photo...[Read More] Understanding Flashing Lights in Vision: When to Seek Eye Care
Understanding Allergic Conjunctivitis and Eye Fatigue: Symptoms and Solutions
Allergic conjunctivitis and eye fatigue? Hello, doctor! I was first diagnosed with allergic conjunctivitis last December. The symptoms included redness and itching. After the doctor prescribed medication, my eyes felt fine after a few days, so I stopped using the drops. In April ...
Dr. Cai Wenyuan Reply:
Observe and see if the symptoms persist; if they do, seek medical evaluation.[Read More] Understanding Allergic Conjunctivitis and Eye Fatigue: Symptoms and Solutions
Importance of Regular Eye Exams: Understanding Procedures and Concerns
Regular eye examinations? Hello, Doctor. I have approximately 700 degrees of myopia, some mild presbyopia, and floaters. Since the year before last, I have been going to an ophthalmology clinic for regular check-ups every year. Each time, I undergo vision tests, intraocular press...
Dr. Gao Pilin Reply:
Hello: Turning off the lights to examine the fundus can make it easier for ophthalmologists to observe the details of the retina, but whether the lights are on or off usually does not significantly affect the examination results. This is because ophthalmologists typically use spe...[Read More] Importance of Regular Eye Exams: Understanding Procedures and Concerns
Understanding Eye Injuries: When to Seek Medical Attention
Foreign body in the eye inquiry? If the eye is struck by a foreign object, is it guaranteed that there will be immediate pain and sensation? Today, while showering, the water pressure was unstable, and there were instances of sudden bursts of water. The showerhead's outer ca...
Dr. Gao Pilin Reply:
Hello: Typically, if the eye is struck by a foreign object, one may experience pain, discomfort, and possibly tearing at the moment; however, this is not absolute, as individual responses can vary, and pain may be masked, leading to unawareness. If an incident similar to being st...[Read More] Understanding Eye Injuries: When to Seek Medical Attention
Herpes and Eye Health: Concerns with Steroid Eye Drops
Medication and Herpes Hello, doctor. I would like to inquire about the effects of the herpes simplex virus type 1 on the eyes and the use of Dexamethasone eye drops. I accidentally touched my eye with my hand that had come into contact with a cold sore near my mouth (currently, t...
Dr. Gao Pilin Reply:
Hello: First of all, if your eyes do not show any obvious symptoms, there may not be an immediate need for concern. Herpes viruses are quite common and do not necessarily cause infections, and the likelihood of eye infections is relatively low. However, if you experience symptoms...[Read More] Herpes and Eye Health: Concerns with Steroid Eye Drops
Understanding Vitreous Degeneration: Symptoms, Duration, and When to Seek Help
Vitreous degeneration Since early May, I have been experiencing flashes and shadows in my left eye, especially in dimly lit areas. I underwent a dilated eye exam at the clinic, and the doctor stated that there are no issues with the retina, attributing the symptoms to vitreous de...
Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, it could be caused by vitreous floaters or vitreous detachment. The vitreous is the gel-like substance that fills the eye and helps focus light onto the retina, so its clarity significantly affects vision. When there are vitreous floate...[Read More] Understanding Vitreous Degeneration: Symptoms, Duration, and When to Seek Help
When to See an Eye Doctor After Accidentally Hitting Your Eye
Accidentally rubbed the eye? Hello, Doctor Gao. Yesterday, while turning in my sleep, I accidentally poked my right eye. I would like to know under what circumstances I should visit an ophthalmologist. I don't want to waste medical resources, especially since I just had a fo...
Dr. Gao Pilin Reply:
Hello: If you experience the following conditions after poking your eye, it is advisable to seek ophthalmologic care as soon as possible: 1. Persistent eye pain, burning, or stinging sensations that do not diminish, or increasing intensity of eye pain. 2. Redness and swelling of ...[Read More] When to See an Eye Doctor After Accidentally Hitting Your Eye
Potential Eye Damage from Repeated Close Flash Photography
The flash has been directed at the eyes more than twenty times? Tonight, I wanted to use my phone's flash to take pictures inside my nostrils. However, I inadvertently took close-up shots of my eyes with the flash [within 10 centimeters of my eyes] as many as 25 times in und...
Dr. Gao Pilin Reply:
Hello: Based on your description, your eyes have returned to normal, and there is no ongoing discomfort, so you don't need to worry about losing your vision, and there should be no lasting effects. However, to ensure your eye health, it is recommended that you monitor your c...[Read More] Potential Eye Damage from Repeated Close Flash Photography
Understanding Blurry Vision in One Eye: Causes and Next Steps
Blurred vision in one eye? Hello doctor, I have been experiencing occasional blurriness in my left eye over the past month. The visual field in my left eye is noticeably worse than in my right eye. Additionally, when looking at non-direct light sources, the light appears slightly...
Dr. Cai Wenyuan Reply:
Monitor the symptoms, and if they persist, seek medical evaluation.[Read More] Understanding Blurry Vision in One Eye: Causes and Next Steps
Differences Between In-Hospital and At-Home Pupil Dilation for Kids
Questions related to the use of dilating agents in pediatric strabismus examination? What is the difference between instilling a dilating agent three times at the hospital and using it at home before bedtime for a week? My child has been diagnosed with esotropia and has been rece...
Dr. Cai Wenyuan Reply:
It should be determined based on the needs.[Read More] Differences Between In-Hospital and At-Home Pupil Dilation for Kids
Understanding Macular Pucker: When to Treat and What to Expect
Macular fold My mother recently underwent an examination to determine if she needed cataract surgery. During the examination, it was found that both eyes had mild macular folds (my mother is 69 years old). However, her vision is still 0.6, and there is no distortion in her visual...
Dr. He Jianxian Reply:
If there is significant vision loss or visual distortion due to macular folds, surgery is recommended. After surgery, some individuals may experience improvement, while others may only maintain their current condition without significant changes. Therefore, based on your mother&#...[Read More] Understanding Macular Pucker: When to Treat and What to Expect
Understanding Floaters and Flashes: Are They Related to Neurological Issues?
Floaters and flashes? Hello, doctor. Last month, I went to the hospital for a dilated eye exam due to floaters. The retina was normal, but I occasionally experience flashes of light, and in brighter conditions at night, I see rhythmic flashes that do not sync with my heartbeat. C...
Dr. Gao Pilin Reply:
Hello: Flashing vision may be caused by issues with the vitreous body or retina in the eye. Floaters are typically due to proteins or fibrous objects floating in the vitreous humor, which can create a sensation of flashes or flickering as they move through the field of vision. Ex...[Read More] Understanding Floaters and Flashes: Are They Related to Neurological Issues?
Temporary Black Shadows in Vision: Sunlight Effects or Eye Issues?
A dark shadow may appear in areas with strong sunlight? I have many floaters in my left eye, but I was examined by a doctor last week who confirmed that my retina is fine. However, recently, while at the beach and in the park, I noticed a shadow that suddenly appears in the cente...
Dr. He Jianxian Reply:
Hello, Xiaomiao: The strong light at the beach may have caused a visual afterimage, as subsequent images tend to disappear. Therefore, it is likely not a pathological issue. However, if you still have concerns, it is advisable to have another examination by an ophthalmologist. Dr...[Read More] Temporary Black Shadows in Vision: Sunlight Effects or Eye Issues?
Post-Retinal Detachment Surgery: Understanding Scleral Buckling Pain and Distortion
Scleral issues after retinal detachment surgery? I underwent scleral buckle surgery due to retinal detachment in my left eye. It has been almost two weeks since the surgery, and I have recently noticed that my left eye experiences pain when focusing, and some areas of my vision s...
Dr. He Jianxian Reply:
Hello Mr. A: After retinal detachment surgery, some conditions may have a longer recovery period, even up to six months. Please be patient during the recovery phase. Dr. Ho Chien-Hsien, Ophthalmology Department, Nantou Hospital.[Read More] Post-Retinal Detachment Surgery: Understanding Scleral Buckling Pain and Distortion
Overcoming the Fear of Retinal Detachment: Common Concerns and Symptoms
Fear of retinal detachment? Last year, I sought medical attention due to seeing floaters in my vision, and upon examination, a retinal tear was discovered in my right eye. It was successfully treated with laser therapy and has healed well. However, since then, I have been fearful...
Dr. He Jianxian Reply:
Hello, Anonymous: Since you regularly undergo dilated fundus examinations, you don't need to be overly anxious about retinal detachment. The related precursor symptoms include a sudden increase in floaters or frequent occurrences of "flashes" in your vision. If you...[Read More] Overcoming the Fear of Retinal Detachment: Common Concerns and Symptoms
Corneal Abrasion: Understanding Recovery Time and Vision Restoration
Corneal abrasion, visual recovery? Hello Doctor, Yesterday, on April 13th (Thursday), I accidentally poked my finger into my eyeball. My eye is sensitive to light, I can't open it, and my vision is blurry. After seeing the doctor, it was confirmed that I have a corneal abr...
Dr. He Jianxian Reply:
Hello Ms. Renee: Corneal abrasions caused by such accidents usually heal quickly and rarely leave any long-term complications. It is recommended to continue monitoring until complete recovery. Director He Jianxian, Ophthalmology, Nantou Hospital.[Read More] Corneal Abrasion: Understanding Recovery Time and Vision Restoration
Understanding Visual Disturbances: Causes and Recommended Tests
Visual impairment Hello Doctor, I first experienced symptoms around the second year of junior high school, and it has been nearly ten years now. The frequency of episodes is not high, approximately seven times over the past decade. Initially, I noticed black spots in my vision th...
Dr. He Jianxian Reply:
Hello Mr. Egg: Your condition may be a precursor symptom of a migraine, starting with visual disturbances. The visual anomalies can vary from person to person and typically resolve on their own after about half an hour. Following this, you may experience headaches or nausea, alth...[Read More] Understanding Visual Disturbances: Causes and Recommended Tests
Understanding Visual Disturbances: Causes and Recommended Tests
Visual impairment Hello Doctor, I first experienced symptoms around the second year of junior high school, and it has been nearly ten years now. The frequency of episodes is not high, approximately seven times over the past decade. Initially, I noticed black spots in my vision th...
Dr. He Jianxian Reply:
Hello Mr. Egg: Your condition may be a precursor symptom of a migraine, starting with visual disturbances. The visual disturbances can vary from person to person and typically resolve on their own after about half an hour. Following this, you may experience a headache or nausea, ...[Read More] Understanding Visual Disturbances: Causes and Recommended Tests
Alternative Transportation Options After Eye Dilation Exam Without a Companion
If you undergo a dilated eye exam without anyone accompanying you, you should avoid driving or riding a motorcycle. Alternative transportation options include taking public transportation, using a taxi or rideshare service, or asking a friend or family member for a ride? Because ...
Dr. Gao Pilin Reply:
Hello: If you are unable to drive or ride home, you may consider the following options: 1. Take public transportation or a taxi. This does not require someone to accompany you. 2. The degree of blurriness after dilation varies from person to person. In my own experience, I only f...[Read More] Alternative Transportation Options After Eye Dilation Exam Without a Companion
Preventive Laser Surgery for High Myopia: What You Need to Know
Preventive laser surgery I have high myopia and have noticed that upon waking up in the morning, one eye experiences a few minutes of black fog, which then returns to normal. Occasionally, I also see flashes in my vision. After visiting the hospital, the doctor assessed that my r...
Dr. Gao Pilin Reply:
Hello: 1. If the retina is thin and there is a history of high myopia, prophylactic laser treatment is a relatively common therapeutic approach. This is because high myopia increases the risk of retinal detachment, which is a serious visual problem that can even lead to blindness...[Read More] Preventive Laser Surgery for High Myopia: What You Need to Know