Assessing Cataract Surgery Feasibility for Diabetic Patients
Feasibility of Cataract Surgery Hello, Dr. Gao: Recently, an elder in my family visited a nearby clinic and was informed that the maturity of their cataract is about 70%. They also underwent a fundus examination, which revealed poor retinal health. After administering a mydriatic...
Dr. Gao Pilin Reply:
Hello: Generally speaking, the success rate of cataract surgery is very high, and postoperative vision can significantly improve. However, in certain cases, postoperative vision may not be ideal. This may be due to several reasons (unrelated to the surgical technique used): the p...[Read More] Assessing Cataract Surgery Feasibility for Diabetic Patients
Understanding Blurry Vision: Insights on Retinal Health and Nerve Myelin
Blurred vision (Sequence 208652) Hello Dr. Gao, Today I had an ophthalmology appointment where I underwent OCT and dilated fundus examination. Everything is normal except for the peripheral retina in my right eye, which is thinner (the doctor mentioned it resembles that of some...
Dr. Gao Pilin Reply:
Hello: Myopia patients exhibit posterior elongation of the eyeball due to an increase in axial length, leading to degeneration of the choroid and retina surrounding the optic nerve. This is a common occurrence and should not be a cause for concern. Optic Nerve Myelination refer...[Read More] Understanding Blurry Vision: Insights on Retinal Health and Nerve Myelin
Post-Cataract Surgery: Understanding Visual Distortion in One Eye
Post-cataract surgery After cataract surgery, the left eye sees images that are slightly elongated and the edges are slightly curved, while the right eye sees a normal circular shape. The left eye perceives a slightly elongated circle, and vertical straight lines appear slightly ...
Dr. Gao Pilin Reply:
Hello: It is normal to experience some optical abnormalities or changes in visual perception after cataract surgery. This may be related to factors such as the characteristics of the intraocular lens used during the procedure, the curvature of the cornea post-surgery, and the sha...[Read More] Post-Cataract Surgery: Understanding Visual Distortion in One Eye
Understanding the Impact of Pressure Glasses on Eye Health and Vision
1. Glasses issues 2. Glasses causing red, blue, and yellow fringes around objects 3. Eye pain issues Hello, doctor. I have the following questions that are troubling me, and I would like your clarification: Question 1: 1. Are pressure-relieving lenses / comfort lenses / stud...
Dr. Gao Pilin Reply:
Hello: Question 1: 1. Generally speaking, multifocal lenses are not discouraged; rather, they should be evaluated by a qualified ophthalmologist or optometrist to determine their suitability for you. 2. Currently, there is no clear evidence indicating that long-term use of mult...[Read More] Understanding the Impact of Pressure Glasses on Eye Health and Vision
Understanding Macular Holes: Risks, Surgery, and Vision Recovery
Macular hole Hello Doctor, I would like to follow up on the issue mentioned in article #207477: Last September, vitreous degeneration caused traction on the macula, resulting in a hole (which is currently likely a macular lamellar hole). In November, the vitreous spontaneously de...
Dr. Gao Pilin Reply:
Hello: 1. For macular hole, continued enlargement may lead to further loss of retinal tissue. The success of surgery and the degree of visual recovery depend on multiple factors, including the size, location, and morphology of the hole, as well as the postoperative recovery. Ge...[Read More] Understanding Macular Holes: Risks, Surgery, and Vision Recovery
Glaucoma or Night Blindness: Understanding Your Eye Condition
Is it glaucoma or night blindness? Hello doctor, I was diagnosed with macular degeneration during my health check-up in January this year. Subsequent follow-up examinations revealed that I have low-tension glaucoma (my eye pressure was approximately 10-15 before using eye drops)....
Dr. He Jianxian Reply:
Dear Confused Individual: Due to the complexity of your condition, it is difficult to provide a recommendation. I suggest you go directly to a medical center for an examination, as you may receive a more accurate diagnosis. Dr. He Jianxian, Department of Ophthalmology, Nantou Hos...[Read More] Glaucoma or Night Blindness: Understanding Your Eye Condition
Can Artificial Retinal Implants Help with Macular Hole-Induced Blindness?
Vitreous macula Hello Doctor, following up on the previous question in <a href="https://adoctor.tw/article/207834">#207834</a>, I saw online that artificial electronic eyes can assist patients with retinitis pigmentosa who are blind. If a patient experiences...
Dr. Gao Pilin Reply:
Hello: Currently, artificial retinal implants are primarily targeted at patients with retinitis pigmentosa, as this condition is caused by the damage or apoptosis of photoreceptor cells. The artificial retinal implant can replace the damaged photoreceptor cells, partially restori...[Read More] Can Artificial Retinal Implants Help with Macular Hole-Induced Blindness?
Understanding Retinitis Pigmentosa: Symptoms, Diagnosis, and Vision Changes
Retinitis Pigmentosa Hello Doctor: During my eye examination last year, I was diagnosed with a condition that has resulted in significant floaters and photophobia during the day, as well as persistent flashing at night. I also found out that my night vision is not very good. Sinc...
Dr. Gao Pilin Reply:
Hello: The situation you described indicates that you have been diagnosed with retinitis pigmentosa, and you are experiencing symptoms such as floaters, photophobia, flashes, and night blindness. Your visual field examination results show changes in the peripheral vision, which i...[Read More] Understanding Retinitis Pigmentosa: Symptoms, Diagnosis, and Vision Changes
Understanding Eye Flashes: Should You Seek Further Evaluation?
Eye flickering Hello, Dr. Gao. I am the person who inquired about #207988. I went to the clinic yesterday for a dilated eye exam. The doctor said that my fundus, intraocular pressure, and macula are all normal, but did not explain what the persistent flickering sensation in my ey...
Dr. Gao Pilin Reply:
Hello: 1. Floaters and flashes: The phenomenon of floaters is usually caused by tiny particles in the vitreous gel casting shadows. Flashes may be related to vitreous detachment, but since the fundus examination appears normal, this could represent a new variation of floaters. 2....[Read More] Understanding Eye Flashes: Should You Seek Further Evaluation?
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 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
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 Dark Shadows in One Eye: Possible Causes and Next Steps
The left eye feels darker, with a shadow in a specific area? In recent days, I have noticed an imbalance in the light perception between my two eyes. Upon comparison, I found that my left eye perceives light as darker, and there seems to be an irregular circular shadow in the cen...
Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, the uneven light perception in your left eye and the irregular circular shape resembling an afterimage from looking at a bright light may indicate an issue related to eye health. Floaters are typically caused by the liquefaction of the ...[Read More] Understanding Dark Shadows in One Eye: Possible Causes and Next Steps
Understanding Cataract Checks: What Eye Exams Reveal About Your Vision
Cataract Examination (Sequence 207641) Thank you, Dr. Gao, for your previous response. I would like to ask about my recent visits to the ophthalmologist over the past three months regarding the issue of an enlarged optic disc. During this time, I have consulted several eye doctor...
Dr. Gao Pilin Reply:
Hello: Based on the information you provided, ophthalmologists typically conduct comprehensive eye examinations, including assessments of the retina and optic nerve, using various devices and techniques such as fundus photography and optical coherence tomography. These examinatio...[Read More] Understanding Cataract Checks: What Eye Exams Reveal About Your Vision
Post-Cataract Surgery Discomfort: Insights on Vision Issues and Solutions
Monocular vision & refractive error & postoperative discomfort after cataract surgery? Hello, Director Gao. Below is a summary of my medical history regarding my "right" eye (the left eye is normal): 1. In 2001 (at age 20), I experienced significant distortion ...
Dr. Gao Pilin Reply:
Hello: 1. Poor visual fusion when using both eyes simultaneously may be related to a previous macular issue in your right eye. Problems with the macula can increase sensitivity to disparity, leading to a decline in visual quality when both eyes work together. This condition may...[Read More] Post-Cataract Surgery Discomfort: Insights on Vision Issues and Solutions
Understanding Vitreous Degeneration and Its Impact on Macular Health
Vitreous Macula Hello Doctor: I have vitreous degeneration, which is pulling on the macula and causing a tear. During my last two follow-up visits, the vitreous continued to exert traction, and the tear has been getting larger. The doctor mentioned that a vision of 0.9 is still g...
Dr. Gao Pilin Reply:
Hello: 1. Risk of Macular Hole The macula is an important area of the retina responsible for central vision. A macular hole refers to a defect in the macula that can lead to severe vision loss, distortion, and other symptoms. In some cases, a macular hole may result in blindn...[Read More] Understanding Vitreous Degeneration and Its Impact on Macular Health
Post-Surgery Concerns After Macular Hole Vitrectomy: What to Expect
Postoperative issues following macular hole surgery? Hello, Doctor: I underwent a vitrectomy for a macular hole one month ago, and I still have a bubble in my eye measuring about 6 cm (with a transparent center and a dark peripheral shadow that moves with my heartbeat). Sometimes...
Dr. Gao Pilin Reply:
Hello: Based on the situation you described, it is normal to still see a bubble about 6 cm in size one month after your macular hole vitrectomy. During the macular hole vitrectomy, the surgeon injects gas into the vitreous cavity to help close the macular hole. The gas will remai...[Read More] Post-Surgery Concerns After Macular Hole Vitrectomy: What to Expect
Managing Macular Issues in Pregnant Women with High Myopia
Macular issues in pregnant women? Hello, doctor. My wife has high myopia and experienced a sudden macular hemorrhage four days ago. Fundus photography showed a hemorrhage area of about 2mm. The initial doctor recommended an intravitreal injection to inhibit vascular endothelial g...
Dr. Gao Pilin Reply:
Hello: 1. Regarding the extent of retinal hemorrhage of approximately 2mm, it is considered a relatively small area; however, its location is more important than its size. The closer it is to the fovea, the greater the impact. Whether the hemorrhage in the macula has the potent...[Read More] Managing Macular Issues in Pregnant Women with High Myopia