Can Straining While Holding Your Breath Cause Retinal Hemorrhage?
Regarding retinal hemorrhage? Hello, doctor. I came across a report mentioning that individuals with macular degeneration and cardiovascular diseases such as hypertension may experience retinal hemorrhage due to frequent straining while holding their breath. I would like to ask i...
Dr. Wang Zhangji Reply:
Individuals without vascular lesions are unlikely to experience retinal hemorrhage even if they occasionally hold their breath forcefully, and most people do not need to hold their breath frequently.[Read More] Can Straining While Holding Your Breath Cause Retinal Hemorrhage?
Understanding Light Sensitivity and Night Vision Issues in Myopia
Photophobia and nocturnal diplopia? Hello, Doctor. I have high myopia (L: -9.25, R: -9.0, latest refraction) but I usually wear glasses with a prescription of L: -7.5, R: -7.25 (from four years ago when I was 22). My left eye has 25 degrees of astigmatism and I experience floater...
Dr. He Jianxian Reply:
It is recommended that you visit an ophthalmology specialist for an examination and consultation, as this may help identify the underlying cause more easily.[Read More] Understanding Light Sensitivity and Night Vision Issues in Myopia
Why Your Computer Screen Appears to Shake: Eye Health Insights
The computer screen keeps shaking back and forth? I experience constant horizontal shaking of the screen when looking at the computer, and straight lines appear distorted. I had a fundus photography and slit lamp examination of the macula, which were normal. The doctor suggested ...
Dr. He Jianxian Reply:
Hello: It is recommended to inquire during an outpatient visit for clearer information.[Read More] Why Your Computer Screen Appears to Shake: Eye Health Insights
Is Constant Lateral Movement of Objects a Sign of Macular Degeneration?
Objects appear to shake or sway continuously when viewed? Is the constant shaking of objects when looking at them a sign of macular degeneration?
Dr. He Jianxian Reply:
Hello: It is recommended to visit the outpatient clinic for a check-up, so that the physician can provide a clearer diagnosis. Wishing you good health.[Read More] Is Constant Lateral Movement of Objects a Sign of Macular Degeneration?
Do Clear UV Protection Glasses Prevent Eye Damage?
UV protection sunglasses Wearing clear sunglasses that provide UV protection can help prevent certain eye conditions that may arise from UV exposure. These conditions include cataracts, macular degeneration, and photokeratitis. It's important to ensure that the sunglasses sp...
Dr. Wang Zhangji Reply:
Being able to filter ultraviolet (UV) rays certainly helps prevent UV-related damage, but it's important to note that UV rays are not the only threat to eye health. It is advisable to wear sunglasses outdoors for better protection.[Read More] Do Clear UV Protection Glasses Prevent Eye Damage?
Understanding Optic Nerve Cupping: Signs, Risks, and Eye Care Tips
Optic nerve and cupping issues? Dear Dr. Gao/Director, Happy Lunar New Year! I am currently abroad and today I went to an ophthalmologist for a routine vision health check. My visual acuity was measured (it hasn't worsened compared to last year), and my intraocular pressur...
Dr. Gao Pilin Reply:
Hello, Big Eyes: 1. Disc cupping refers to the excavation of the optic nerve head. When the optic disc is affected by intraocular pressure, it may initially lead to an increase in the cupping of the optic nerve head. Therefore, an increase in disc cupping can be considered an in...[Read More] Understanding Optic Nerve Cupping: Signs, Risks, and Eye Care Tips
Understanding Eye Allergies and Vision Issues: Your Questions Answered
Eye problem consultation? Hello, Doctor! I would like to ask two questions: 1. Due to the cold weather, I have developed allergic conjunctivitis in my right eye, and the upper eyelid on that side is slightly drooping. Is this a phenomenon of eyelid entropion? Will this symptom ...
Dr. Gao Pilin Reply:
Hello, 1. The slight drooping of your upper eyelid is a phenomenon known as ptosis. There are many causes of ptosis, including neurological and muscular issues; however, in your case, it is likely due to eyelid inflammation causing swelling, which results in a mechanical droop....[Read More] Understanding Eye Allergies and Vision Issues: Your Questions Answered
Understanding Amblyopia and Retinal Detachment Symptoms in High Myopia
Symptoms of amblyopia and retinopathy? Hello Doctor: I am currently studying abroad and facing language barriers, making it difficult to consult local physicians. I cannot return to Taiwan during the semester. I have high myopia in one eye with a prescription of -1500, and I rely...
Dr. Wang Zhishun Reply:
Hello, although there are some potential warning signs of retinal detachment (such as an increase in floaters and seeing flashes of light), most patients encountered in clinical practice do not have any warning signs. Many patients are asymptomatic, and the condition is often dis...[Read More] Understanding Amblyopia and Retinal Detachment Symptoms in High Myopia
Does Watching LED TV in Low Light Harm Your Eyes?
Is it necessary to pay attention to the adequacy of the viewing light source when watching an LED TV? Hello Director He: Recently, news reports have indicated that prolonged use of mobile phones in the dark can lead to macular degeneration or eye burns. I would like to ask you if...
Dr. He Jianxian Reply:
Hello: Generally, watching television with sufficient background lighting is less likely to cause eye fatigue. As for whether watching television in insufficient lighting can harm the macula, there is currently no significant literature reporting such effects, so it should not po...[Read More] Does Watching LED TV in Low Light Harm Your Eyes?
Choosing the Right Magnification for Seniors: A Guide for Eye Care
Choosing Magnifying Glasses for Seniors Dear Dr. Chiu, My grandfather is 78 years old and has worked in gold carving during his younger years. We are currently trying to create a record of his work, but we need him to demonstrate it on video. The details required for gold carvin...
Dr. Qiu Hanqing Reply:
Hello! First of all, thank you for your dedication and effort in preserving and documenting traditional crafts. My grandfather is 78 years old, and it is common for elderly individuals to experience blurred vision due to conditions such as age-related cataracts and age-related ma...[Read More] Choosing the Right Magnification for Seniors: A Guide for Eye Care
Managing Macular Degeneration and Cataracts: Key Considerations for Surgery
Macular degeneration and cataract issues? Dear Doctor, Hello. My father (65 years old) has both macular degeneration and cataracts in both eyes. The macular degeneration has caused him to see shadows in one eye, and he underwent photodynamic therapy a month ago. His vision feels...
Dr. He Jianxian Reply:
Hello: 1. Cataract surgery itself does not affect the treatment and monitoring of macular degeneration. 2. Generally speaking, the indication for cataract surgery is based on the degree to which it impacts quality of life. If it does not significantly affect daily activities (suc...[Read More] Managing Macular Degeneration and Cataracts: Key Considerations for Surgery
Understanding Symptoms of Eye Stroke: What You Need to Know
What are the symptoms of an eye stroke? Two days ago, I suddenly noticed that my left eye's vision became blurry and distorted. My family suggested it might be a stroke in the eye or something related to macular degeneration, so I should quickly go to the hospital for an exa...
Dr. Wang Zhishun Reply:
Hello, you may have an issue with the macula; it's important to see an ophthalmologist for an examination as soon as possible![Read More] Understanding Symptoms of Eye Stroke: What You Need to Know
Is It Normal to See Colors with a Dark Tint? Eye Health Insights
The colors that are seen? Is it normal to perceive colors as somewhat dark? For example, when I look at a computer screen set to full white, I still have a sense of darkness rather than seeing it as completely white. Is this normal? I wonder if it has anything to do with the fact...
Dr. Guo Jinliang Reply:
Regarding the issue mentioned in your letter about looking directly at the sun during childhood, prolonged exposure to direct sunlight can accelerate the aging of the lens and may also lead to macular degeneration. Therefore, it is advisable to avoid looking directly at the sun, ...[Read More] Is It Normal to See Colors with a Dark Tint? Eye Health Insights
Understanding Flashing Vision: Causes, Concerns, and Lutein Benefits
Flashing vision I have high myopia with a prescription of -11.75 in both eyes, and I have experienced floaters since elementary school. Three years ago, I underwent my first dilated eye exam, after which I began to notice some slight flashes of light (which I did not have before ...
Dr. Hu Yusheng Reply:
If there are flashes of light in the eyes and the dilated fundus examination is normal, there is no need to worry; regular check-ups will suffice. However, if new floaters appear in the future, a dilated examination should be performed immediately. Lutein is only effective for ag...[Read More] Understanding Flashing Vision: Causes, Concerns, and Lutein Benefits
Will Macular Degeneration in Both Eyes Lead to Further Vision Loss?
Will the vision continue to deteriorate with macular degeneration in both eyes? Hello Dr. Hu, I underwent bilateral cataract surgery in May 2003. Due to high myopia, I developed wet macular degeneration with hemorrhage in my left eye in September 2004, which was treated with lase...
Dr. Hu Yusheng Reply:
In response to your inquiry regarding high myopia in both eyes, post-cataract surgery in both eyes, retinal detachment surgery in the left eye, and wet age-related macular degeneration in the right eye, which has been treated with intravitreal injections and photodynamic therapy:...[Read More] Will Macular Degeneration in Both Eyes Lead to Further Vision Loss?
Understanding the Hereditary Risks of Amblyopia and Strabismus in Infants
Concerned about the impact on children's vision? Is amblyopia and strabismus hereditary? My baby is one month old and currently has a condition of pseudostrabismus, which may be temporary. However, both sides of the family have a history of severe strabismus combined with am...
Dr. Wang Zhangji Reply:
Strabismus has a hereditary component, and the causes of amblyopia often also have a genetic basis. If it is only pseudostrabismus, regular check-ups are sufficient for the time being. Amblyopia can generally be treated until around the age of 7. Children typically can learn visi...[Read More] Understanding the Hereditary Risks of Amblyopia and Strabismus in Infants
Understanding Visual Distortions: Questions on Eye Health and Diagnosis
Distortion of horizontal straight lines in the left eye? Hello Dr. Wang, I would like to follow up on my previous question. I have self-checked using a chart, and while focusing on the central black dot from a distance of 30 cm, I am unsure if it is a psychological effect or not,...
Dr. Wang Zhishun Reply:
Hello: As you mentioned, there is a slight indentation located 6-7 grid spaces to the right of the center point of the chart, which likely rules out the possibility of macular degeneration. Fundus photography is indeed the most important tool for a comprehensive examination of th...[Read More] Understanding Visual Distortions: Questions on Eye Health and Diagnosis
Understanding Macular Degeneration: Essential Tests and Insurance Coverage
Macular degeneration examination Hello Doctor, my father is 71 years old and has experienced a decline in vision in recent years. He recently visited an ophthalmology clinic for an examination, and the result was macular degeneration. I would like to know if further detailed exam...
Dr. Wang Zhishun Reply:
Hello, regarding macular degeneration, fundus fluorescein angiography should be considered a basic examination, as it can reveal the lesion's morphology, extent, and whether it is wet or dry. Optical coherence tomography primarily assesses the difference in lesion thickness ...[Read More] Understanding Macular Degeneration: Essential Tests and Insurance Coverage
Understanding Floaters: Symptoms, Risks, and Treatment Options
There is an increasing trend of floaters in vision? Two weeks ago, I noticed floating curved lines in my right eye and consulted a doctor who performed a dilated eye exam. The doctor said there was no evidence of retinal damage. However, in the past few days, I have noticed an in...
Dr. Ke Meilan Reply:
Hello: 1. If there is an increase in floaters, a dilated eye examination is still necessary. 2. If the central vision is blurred and the text appears distorted, fluorescein angiography should be performed. High myopia can lead to macular degeneration, which requires a detailed ex...[Read More] Understanding Floaters: Symptoms, Risks, and Treatment Options
Understanding Eye Symptoms: Floaters, Flashes, and Macular Degeneration
Floaters and flashes? Doctor, I have a question: I have had macular degeneration in both eyes for over ten years, and I recently noticed the following symptoms: 1. In my right eye, there is a curved black line on the right side, along with many black dots and hair-like strands. I...
Dr. Zhang Yanrui Reply:
The examination you underwent is a fundus examination, which is sufficient to identify any issues. While floaters can be bothersome, they do not affect eye health, so there is no need to worry too much. However, flashes can be more concerning; if the flashes do not subside, it is...[Read More] Understanding Eye Symptoms: Floaters, Flashes, and Macular Degeneration