Understanding Glaucoma: Managing Fear and Eye Health
Fear of Glaucoma Hello, doctor. Last time I asked you about glaucoma issues, and last week I successfully went to Cathay General Hospital in Taipei for a visual field test. The doctor responded that both eyes are normal. The optical coherence tomography showed that the left eye&#...
Dr. He Jianxian reply Ophthalmology
Hello: Your test results appear to be quite normal. A follow-up every six months is definitely sufficient, and there is no need for any supplements. Basically, you don't need to worry. Wishing you good health and peace.[Read More] Understanding Glaucoma: Managing Fear and Eye Health
Understanding Floaters: When to Worry About Your Eye Health
Floaters issue? Hello Doctor: I am 40 years old, but around the age of 20, I noticed three dark lines floating in my vision. The doctor said this is called floaters and it is not a concern. Two years ago, in addition to the original three, I sometimes saw transparent objects floa...
Dr. He Jianxian reply Ophthalmology
Hello: Actually, floaters themselves will not change whether or not you use eye drops. As long as the retina is checked and there are no tears, there should be no risk of retinal detachment, so you can rest assured! Generally, you should return to the clinic for further examinati...[Read More] Understanding Floaters: When to Worry About Your Eye Health
Understanding Optic Nerve Issues in High Myopia: A Patient's Dilemma
Optic nerve issues Hello Doctor, I am highly myopic and have previously experienced elevated intraocular pressure, but after a few days, it can drop below 20. For the next two months, my intraocular pressure remained normal (I have visited the clinic around 10 times to measure my...
Dr. He Jianxian reply Ophthalmology
Hello: I recommend that you first visit a well-established hospital to undergo a comprehensive visual field test (standard type) to assess whether you have glaucoma or if there are other issues causing your visual field loss. This will help determine the next steps in your treatm...[Read More] Understanding Optic Nerve Issues in High Myopia: A Patient's Dilemma
Impact of Frequent Eye Examinations: 5 Fundus Checks in 6 Months
Fundoscopic examination What are the implications of having undergone five fundus examinations within six months?
Dr. He Jianxian reply Ophthalmology
Hello: There will be no issues, please rest assured. Wishing you good health.[Read More] Impact of Frequent Eye Examinations: 5 Fundus Checks in 6 Months
Understanding Optic Nerve Issues: Eye Pressure, Vision Loss, and Next Steps
Optic nerve issues? Hello, Doctor. I previously had an eye pressure spike up to 26, but after using eye drops (not for lowering eye pressure), it has been maintained between 15 and 19. Yesterday, I found a clinic that could perform a visual field test on-site (the doctor said it ...
Dr. He Jianxian reply Ophthalmology
Hello: Essentially, your question contains too many uncertain assumptions. I recommend that you first seek a well-established hospital capable of conducting a comprehensive examination to confirm the diagnosis before considering subsequent treatment options. This would be a more ...[Read More] Understanding Optic Nerve Issues: Eye Pressure, Vision Loss, and Next Steps
Understanding Glaucoma: Beyond Eye Pressure and Long-Term Management
Concerns about glaucoma? Doctor, I would like to ask about glaucoma. Isn't it caused by chronically high intraocular pressure leading to optic nerve damage? However, I recently saw online that "in recent years, diagnosing glaucoma cannot rely solely on intraocular press...
Dr. He Jianxian reply Ophthalmology
Hello: Normal-tension glaucoma, also known as low-tension glaucoma, is diagnosed based on the condition of visual field and optic nerve damage. Therefore, if your visual field test is normal, there is generally no need for excessive concern; however, regular follow-up is still ne...[Read More] Understanding Glaucoma: Beyond Eye Pressure and Long-Term Management
Understanding Eye Flashes: Causes and Concerns for Your Vision
Eye flashes Hello Doctor: My question may be a bit lengthy, and I hope you can patiently read through the entire message. Thank you. Recently, I have been experiencing a phenomenon similar to "flashes" in my eyes (not the kind associated with myopia). In dim lighting (t...
Dr. He Jianxian reply Ophthalmology
Hello: Essentially, the vitreous is a transparent tissue that is not visible during examination, so when examining the fundus, the focus is primarily on checking for any retinal tears. If there are no tears, you generally do not need to worry too much about your astigmatism. Wish...[Read More] Understanding Eye Flashes: Causes and Concerns for Your Vision
Laser Eye Surgery for High Myopia: What You Need to Know
Presidential Public Opinion Mail Case - Over 1000 degrees of myopia laser treatment (forwarded from the Director's mailbox) How many diopters can laser eye surgery correct at most? I am currently in the second year of junior high school and my myopia is approaching 1000 diop...
Dr. He Jianxian reply Ophthalmology
Hello: Myopia laser surgery can generally treat up to thousands of diopters, but the ideal treatment range is below 600 to 800 diopters for better outcomes. The higher the degree of myopia, the more likely it is to experience unpredictable effects or glare. Typically, individuals...[Read More] Laser Eye Surgery for High Myopia: What You Need to Know
Understanding Flashing Lights in Vision: Causes and Concerns
Seeing flashes of light in the eyes? Hello, Doctor: Recently, I have been feeling overly sensitive and often notice flashes of light. This concern arises because I have been seeing flickering lights from street lamps or desk lamps. At night, when I close my eyes and am about to f...
Dr. He Jianxian reply Ophthalmology
Hello: It is difficult to determine when the symptoms of flashes will resolve; generally, they will disappear once there is no more traction of the vitreous on the retina. Wishing you peace and good health.[Read More] Understanding Flashing Lights in Vision: Causes and Concerns
Understanding Eyeball Growths: Causes and Symptoms Explained
Protrusion of the eyeball? Hello, Doctor. I have developed a protrusion above my eyeball, and it causes slight pain when I close my eyes tightly. What could this condition be? Thank you.
Dr. He Jianxian reply Ophthalmology
Hello: The most common issue is still a stye, but it would be best for you to visit a nearby ophthalmologist for a more accurate diagnosis. Wishing you good health.[Read More] Understanding Eyeball Growths: Causes and Symptoms Explained
Understanding Fixed Black Spots in Vision: Causes and Concerns
Stationary black spot Hello, Doctor: I would like to ask you a question. Suddenly, there is a black spot in the upper part of my visual field, but if I do not move my eyes, its position remains at the top and does not drift left or right. Could this also be a vitreous floaters? I...
Dr. He Jianxian reply Ophthalmology
Hello: The most common cause of your condition is still floaters. Of course, inflammation of the uvea or retina could also be a possibility. It is best for you to visit a nearby ophthalmologist for a thorough examination to obtain a definitive diagnosis. Wishing you good health.[Read More] Understanding Fixed Black Spots in Vision: Causes and Concerns
Understanding Glaucoma: Symptoms, Risks, and What to Expect
Glaucoma examination Recently, I experienced discomfort in my eyes and had headaches, so I went to a clinic for an examination. My eye pressure was as high as 26 mmHg, and after using eye drops for three days, it decreased to 20 mmHg, but it has been fluctuating between 18-20 mmH...
Dr. He Jianxian reply Ophthalmology
Hello: First of all, your headache is likely not significantly related to intraocular pressure. Generally, intraocular pressure must be quite high to cause headaches, commonly seen in acute glaucoma with pressures above 40 mmHg. Therefore, your headache should not be related to g...[Read More] Understanding Glaucoma: Symptoms, Risks, and What to Expect
Do Floaters Disappear After Posterior Vitreous Detachment?
Subsequent phenomena of posterior vitreous detachment? Hello, doctor: After experiencing posterior vitreous detachment (PVD), if there is no associated retinal detachment, will the ring-shaped floaters gradually disappear over time? If so, approximately how long does it usually t...
Dr. He Jianxian reply Ophthalmology
Hello: The appearance of ring-shaped floaters can change over time, but the timeline for these changes cannot be predicted. Wishing you health and safety.[Read More] Do Floaters Disappear After Posterior Vitreous Detachment?
Seeing Lightning in Your Eyes: Understanding Visual Disturbances After Surgery
Waking up to see flashes of light in my vision? Hello, Doctor! Recently, when I wake up in the morning and blink, I often see shapes resembling blood vessels, like flashes of lightning, which have been occurring for over a week. In the past few days, it seems that I also see them...
Dr. He Jianxian reply Ophthalmology
Hello: If you see flashes of light, it indicates that the retina may be experiencing traction. It is advisable to visit an ophthalmologist for a dilated eye examination and to follow up on the condition after your last laser treatment. Wishing you good health.[Read More] Seeing Lightning in Your Eyes: Understanding Visual Disturbances After Surgery
Understanding Microvascular Rupture: Impact on Vision and Treatment Options
Microvascular rupture I often have blood clots in one of my eyes, and the ophthalmologist said it's due to microvascular rupture. However, it happens too frequently, and it takes about two weeks for the blood clots to resolve each time. The doctor only prescribed eye drops. ...
Dr. He Jianxian reply Ophthalmology
Hello: What you are describing is likely a subconjunctival hemorrhage. This type of bleeding is generally not related to your overall health and does not affect vision. Typically, no further in-depth examinations are necessary, and there are no specific clinical improvements or p...[Read More] Understanding Microvascular Rupture: Impact on Vision and Treatment Options
Understanding Color Separation and Visual Distortion in Myopia
When the eyes perceive purple light, it can separate into blue and red light? Hello Doctor, I have approximately -1200 diopters of myopia in both eyes with slight astigmatism. Recently, I noticed that when viewing purple light in the dark without my glasses, there is a blue halo ...
Dr. He Jianxian reply Ophthalmology
Hello: Your issue is a bit complex. I recommend that you visit a professional ophthalmology hospital or clinic for a comprehensive eye examination, and consult with an ophthalmologist in person. This should help you gain a clearer understanding. Wishing you peace and good health.[Read More] Understanding Color Separation and Visual Distortion in Myopia
Diabetes and Cataract Surgery: Key Preoperative Considerations
Cataract surgery in patients with diabetes? Diabetic patients need to control their blood glucose levels to an HbA1c of less than 7% and maintain blood pressure below 140/90 mmHg before undergoing cataract surgery. Preoperative assessments should include a comprehensive eye exami...
Dr. He Jianxian reply Ophthalmology
Hello: There are no absolute regulations regarding the blood sugar level that diabetic patients must meet before undergoing cataract surgery. However, better blood sugar control leads to less postoperative inflammation and faster recovery. Preoperative assessments typically inclu...[Read More] Diabetes and Cataract Surgery: Key Preoperative Considerations
Understanding Blue and Red Light Halos in Vision: Causes and Concerns
Seeing objects with a tilted gaze may result in experiencing blue and red lights? Hello Doctor, I have a myopia of about -1200 diopters with mild astigmatism. I have had floaters for a while, but yesterday while walking outdoors, I suddenly noticed that in my peripheral vision, o...
Dr. He Jianxian reply Ophthalmology
Hello: This may be related to the coating on your eyeglass lenses; you may want to consult your optician. Wishing you happiness.[Read More] Understanding Blue and Red Light Halos in Vision: Causes and Concerns
Understanding Flashing Lights in Vision: Causes and Concerns
It feels like there are flashes of light in my vision? Recently, I've been experiencing a sensation in my eyes that feels like flashes of light, as if someone is taking a picture with a flash behind me. I went to see an ophthalmologist, who said it is likely not retinal deta...
Dr. He Jianxian reply Ophthalmology
Hello: It is recommended that you undergo a thorough dilated eye examination by an ophthalmologist. If no issues are found, you should consider whether there are occasional abnormal conditions occurring in the brain, which would require a consultation with a neurologist, as it fa...[Read More] Understanding Flashing Lights in Vision: Causes and Concerns
Understanding Visual Snow Syndrome: Symptoms and Insights
Snow blindness symptoms Hello, I see blue spots and flashes of light in dark places, and I can still see them when I close my eyes, similar to what I experienced as a child when I pressed on my eyes. In slightly brighter light, they appear in color. The examining doctors have sai...
Dr. He Jianxian reply Ophthalmology
Hello: We apologize, but in clinical practice, we do not use the term "snow vision syndrome," so we are unable to explain it. We recommend that you consult a professional ophthalmologist for a thorough retinal examination. If there are no issues, you can rest assured. W...[Read More] Understanding Visual Snow Syndrome: Symptoms and Insights