Persistent Left Eyelid Twitching: Causes, Concerns, and Next Steps
The left eyelid has been twitching intermittently for nearly a year? Hello, my left eyelid has been twitching constantly for nearly a year. It feels like there is something inside my eyeball that is expanding and contracting rhythmically, which is very uncomfortable. I have not b...
Dr. He Jianxian Reply:
Hello Mr. Lin: The subjective twitching of the eyelid is generally not considered to require treatment in ophthalmology, unless it is accompanied by severe spasms that make it difficult to open the eyes or simultaneous facial twitching. If these two phenomena are present, it is n...[Read More] Persistent Left Eyelid Twitching: Causes, Concerns, and Next Steps
Understanding the Use of Expansion Rings After Cataract Surgery
Placement of an expansion ring after cataract surgery? Hello, doctor. My father had cataract surgery on his left eye in February, and after the surgery, he noticed a black border on the outer side of his vision. He has returned to the surgeon for several check-ups, but there has ...
Dr. He Jianxian Reply:
Dear Ms. Wu, 1. Theoretically, it should not be too long, but it is uncertain whether it will affect the lens. 2. In some cases, partial detachment or rupture of the zonules can affect the position of the intraocular lens. The placement of an expansion ring can help improve the ...[Read More] Understanding the Use of Expansion Rings After Cataract Surgery
Understanding Enlarged Optic Nerve Head: Risks and Management
Optic disc cupping is enlarged? Hello Doctor, Last week I visited an ophthalmologist due to conjunctivitis and also asked the doctor to check my optic nerve. The neurologist mentioned that my optic nerve head is larger than normal, approximately 0.6 to 0.7. Consequently, I was ...
Dr. He Jianxian Reply:
Hello, Miss Mo: 1. Congenital optic nerve pits are indeed present, but they are not common, and there is no evidence to suggest that they are more likely to lead to glaucoma. 2. This question cannot be answered definitively. 3. Since glaucoma is mostly asymptomatic, regular moni...[Read More] Understanding Enlarged Optic Nerve Head: Risks and Management
Understanding Fixed Black Spots in Vision: Possible Causes and Next Steps
The appearance of a fixed black spot in the vision when looking at distant light sources? Hello Doctor, I apologize for bothering you. A few months ago, I noticed that without my glasses, there is a fixed black circular spot (with a transparent perimeter) that appears in my field...
Dr. He Jianxian Reply:
Hello Mr. Turtle: I am unable to understand what situation you are experiencing, because if there is indeed a problem, it typically does not disappear when wearing glasses. Director He Jianxian, Ophthalmology Department, Nantou Hospital.[Read More] Understanding Fixed Black Spots in Vision: Possible Causes and Next Steps
Understanding Yellow Flashes and Visual Disturbances in Eye Health
Waking up suddenly to see yellow flashes of light? Hello Doctor: I have floaters and have previously undergone laser surgery for retinal holes. I am nearsighted with a prescription of about -200 and astigmatism around -300. Recently, I have been experiencing a lot of issues. When...
Dr. He Jianxian Reply:
Dear Ms. Anonymous, 1. I cannot explain why your afterimage condition has worsened. 2. I cannot explain why you suddenly woke up to see a bright yellow light that then returned to normal; it may be due to pressure on the eyes, but clinically, it cannot be determined. 3. If you h...[Read More] Understanding Yellow Flashes and Visual Disturbances in Eye Health
Is Long-Term Use of Mydriatics Safe for Open-Angle Glaucoma Patients?
Is it suitable for patients with open-angle glaucoma to use mydriatics long-term to relieve eye fatigue? Hello, I am a 54-year-old patient with open-angle glaucoma, cataracts, and myopia. 1. What are the indications for using mydriatic agents in ophthalmology? From the informat...
Dr. He Jianxian Reply:
Dear Ms. Li, 1. Mydriatic agents are not intended for routine use to alleviate eye fatigue, and this applies to both glaucoma and non-glaucoma patients. 2. Clinically, the routine use of mydriatic agents as a choice for relieving eye fatigue is not recommended; please discuss th...[Read More] Is Long-Term Use of Mydriatics Safe for Open-Angle Glaucoma Patients?
Understanding Eye Fatigue: Causes, Remedies, and Massage Techniques
Eye fatigue Hello, Doctor. Recently, I have been experiencing frequent eye fatigue, especially when looking at close objects (I feel the muscles below my eyes are very tense, possibly due to looking down while reading) and during large eye movements (like the circular motions sug...
Dr. Gao Pilin Reply:
Hello: Eye fatigue is a common issue, especially after prolonged periods of focusing on near objects or using electronic devices. Based on your description, the tension in the muscles below your eyes may be due to continuous strain or poor posture. Here are some possible causes a...[Read More] Understanding Eye Fatigue: Causes, Remedies, and Massage Techniques
Light Sensitivity and Halo Effects After Steroid Eye Drops: What to Know
After using corticosteroids, symptoms such as photophobia, halos, and an increase in rainbow-colored rings may occur? Hello Doctor, I have posterior subcapsular cataracts and keratoconus (with astigmatism of 275 in the left eye and 200 in the right eye). On April 13, I visited th...
Dr. Cai Wenyuan Reply:
Observe and see if the symptoms persist; if they do, seek medical evaluation.[Read More] Light Sensitivity and Halo Effects After Steroid Eye Drops: What to Know
Understanding Eye Issues: From Floaters to Glaucoma Concerns
Eye problems Hello Doctor, I am patient 207864. I have a few questions regarding your previous response, particularly about the issue of rainbow halos. I mentioned my experience with floaters a few years ago, and at that time, my eye pressure was normal. Last year, I had an eye e...
Dr. Gao Pilin Reply:
Hello: Based on the symptoms and experiences you described, here are my recommendations: 1. Rainbow halos and intraocular pressure issues: Rainbow halos may be related to glaucoma, but your previous eye pressure checks were normal. If you have recently noticed rainbow halos acc...[Read More] Understanding Eye Issues: From Floaters to Glaucoma Concerns
Understanding Eye Flashes and Nerve Cupping in High Myopia
Flashes of light; optic nerve cupping? Hello Doctor: A few months ago, I discovered floaters in my vision, and after undergoing dilation, no issues were found at that time. Over the past few months, I have intermittently experienced flashes of light (similar to a light bulb flick...
Dr. Gao Pilin Reply:
Hello: Floaters refer to the appearance of black dots, dust, or small insects in your line of sight, usually caused by floating debris in the vitreous body. If the symptoms of flashes change significantly and persist, it is advisable to seek medical evaluation promptly. If they a...[Read More] Understanding Eye Flashes and Nerve Cupping in High Myopia
Understanding Post-Cataract Surgery Vision Changes and Solutions
Post-cataract surgery Subject: Questions Regarding Post-Surgery Vision I would like to ask the doctor a few questions based on my previous inquiry on April 18 (#207625): 1. My right eye (which has an artificial intraocular lens implanted) sees images significantly magnified com...
Dr. Gao Pilin Reply:
Hello: 1. Right eye image magnification and its impact on binocular fusion: After the implantation of an artificial lens in the right eye, the difference in refractive power between the artificial lens and the original natural lens can lead to a disparity in vision between the ...[Read More] Understanding Post-Cataract Surgery Vision Changes and Solutions
Understanding Macular Holes: Risks of Vision Loss After Surgery
Vitreous macula Hello doctor, following up on the previous question regarding the macular hole: Is it possible to have very low vision or blindness after surgery? Both of my eyes are currently in this condition, and I can only observe. I'm really worried, thank you!
Dr. Gao Pilin Reply:
Hello: Macular holes are a condition that occurs in the macula of the eye, which is the area of the retina responsible for central vision. Macular holes can lead to symptoms such as decreased vision, central scotomas, or distortion. According to studies, approximately 90% of pati...[Read More] Understanding Macular Holes: Risks of Vision Loss After Surgery
Sudden Blackout in Vision: Understanding Eye Health Concerns
The eyes quickly turn black for a second? Hello Doctor: I have high myopia and a few months ago I discovered I have floaters, so I have been frequently visiting clinics for check-ups, even going to a retina specialist for further examinations. I went once at the end of February, ...
Dr. Gao Pilin Reply:
Hello: The symptoms and medical history you described, particularly the high myopia and the previous occurrence of floaters, are indeed concerning. High myopia increases the risk of retinal issues, including retinal tears and retinal detachment. Although the physician did not fin...[Read More] Sudden Blackout in Vision: Understanding Eye Health Concerns
Understanding Eye Swelling: Causes and Solutions for Discomfort
Eye swelling Hello doctor, since last night, I've been experiencing dizziness and nausea for some unknown reason. However, when I tested with a line chart, there were no defects or distortions. After sleeping last night, I felt a bit better, but tonight it started again. I&#...
Dr. Gao Pilin Reply:
Hello: The symptoms you described may be related to various factors, including your high myopia, intermittent strabismus, and possibly insufficient sleep. Here are some potential causes and recommendations: 1. Eye Strain: You mentioned that you engage in the same activities dai...[Read More] Understanding Eye Swelling: Causes and Solutions for Discomfort
Understanding Monocular Diplopia: Causes and Effects of Keratoconus
Monocular diplopia Recently, I suddenly experienced monocular diplopia, especially when looking at lights, scrolling text, or objects illuminated by light or sunlight. However, I noticed that simply squinting (without any special effort) makes the diplopia and ghosting disappear....
Dr. Gao Pilin Reply:
Hello: Keratoconus can indeed cause monocular diplopia and ghosting, as it leads to an irregular corneal surface that prevents light from focusing properly, resulting in blurred vision and double vision. However, squinting may temporarily alleviate symptoms. This is because squin...[Read More] Understanding Monocular Diplopia: Causes and Effects of Keratoconus
Understanding Monocular Diplopia: Causes and Concerns for Eye Health
Monocular diplopia Hello, Dr. Gao. Thank you for your previous response! After researching some information and consulting with my doctor, I still have a few questions I would like to ask: 1. For individuals with congenital amblyopia (approximately +500 diopters in both eyes), i...
Dr. Gao Pilin Reply:
Hello: 1. Individuals with congenital amblyopia may not necessarily have inferior optic nerves compared to those without the condition. Thinning of the optic nerve may be associated with glaucoma, especially if there are signs of nerve fiber thinning, but the condition of the opt...[Read More] Understanding Monocular Diplopia: Causes and Concerns for Eye Health
Post-Retinal Detachment Surgery: Addressing Vision Distortion and Misalignment
After retinal detachment surgery, there is a distortion in the visual field and the images from both eyes cannot be fused? Hello! About a year ago, I underwent retinal detachment surgery on my right eye. Due to a strong inflammatory response because of my young age, the doctor me...
Dr. He Jianxian Reply:
Dear Mr. Hsu, The distortion or deformation of the visual field caused by retinal surgery or disease is indeed very challenging to address. The possibility of treatment and improvement varies from person to person, and it is essential to follow up with your surgeon for specific...[Read More] Post-Retinal Detachment Surgery: Addressing Vision Distortion and Misalignment
Understanding Vitreous Degeneration: Causes and Concerns for Young Adults
Vitreous degeneration Vitreous degeneration, also known as vitreous syneresis, can occur due to various factors, including aging, but it is not typically caused by prolonged smartphone use. At 18 years old, it is uncommon to experience significant vitreous degeneration. Your refr...
Dr. He Jianxian Reply:
Dear Sir, There are many causes of vitreous degeneration, with age being the primary factor. The older a person gets, the more likely they are to experience degeneration. Additional factors that can exacerbate this degeneration include trauma, inflammation, high myopia, and sur...[Read More] Understanding Vitreous Degeneration: Causes and Concerns for Young Adults
Understanding Floaters: What They Mean for Your Eye Health
Suspected floaters? Hello, doctor. When I look at the blue sky, I see objects that resemble floaters (worm-like, transparent like microorganisms under a microscope), but this phenomenon does not occur when I look at a white wall. I would like to ask if this situation could possib...
Dr. Gao Pilin Reply:
Hello: Based on your description, the appearance of worm-like, transparent floaters in your vision may be a symptom of vitreous floaters. Vitreous floaters are a common visual phenomenon, usually caused by the degeneration or liquefaction of the vitreous body, which can lead to t...[Read More] Understanding Floaters: What They Mean for Your Eye Health
Understanding Astigmatism and Halo Effects in Night Vision
Astigmatism and aperture? Hello Doctor: In the past few months, I have been seeing halos and glare around streetlights at night, and even during the day, I notice this effect when looking at bright lights indoors. There are also rainbow-colored rings around lights. I have seen a ...
Dr. Gao Pilin Reply:
Hello: If you experience halos and glare when looking at streetlights at night or bright lights indoors during the day, along with nearby rainbow halos, this may be due to irregularities in the cornea or the surface of the eye. This phenomenon is typically associated with several...[Read More] Understanding Astigmatism and Halo Effects in Night Vision