Understanding Physiological Blind Spots and Visual Distortions
Questions about physiological blind spots? My left eye has a prescription of nearly 800 to 900, while my right eye is 750. I have a significant number of floaters in both eyes, which has been a longstanding issue. I have been taking lutein for over a year, and during my annual he...
Dr. Gao Pilin Reply:
Hello, Hsuan: The blind spot refers to an area where no visual information is perceived. Are you referring to the regions surrounding the blind spot? The blind spot is located at the optic nerve head, and in cases of high myopia, there may be some traction or undulation of the re...[Read More] Understanding Physiological Blind Spots and Visual Distortions
Understanding Post-Retinal Detachment Surgery Vision Changes
Post-retinal detachment surgery Last month, my elder family member underwent retinal detachment surgery, which included a vitrectomy. Currently, they are experiencing a distortion in vision where objects appear smaller and warped. Is this a possible side effect, and can their vis...
Dr. Gao Pilin Reply:
Hello Vincent: Typically, when a retinal detachment occurs, damage to the retina has already been done, and surgery aims to reposition it as much as possible. However, some imaging issues may be unavoidable. If there is macular edema, it may result in distortion, deformation, or ...[Read More] Understanding Post-Retinal Detachment Surgery Vision Changes
Understanding Persistent Eye Flashes: Causes and Concerns
Persistent seeing of flashes of light? Hello, doctor. About last Thursday night, I noticed a small area in my vision that felt blurry, but I could still see clearly overall. It felt as if I was looking through a layer of mist in certain parts of my visual field. Additionally, I s...
Dr. Gao Pilin Reply:
Hello, Quan: Based on your symptoms, I still believe it is related to vitreous degeneration. When the vitreous detaches from the retina, it can cause the symptoms you described. This condition usually improves over time, so I recommend not to worry too much. Before the examinatio...[Read More] Understanding Persistent Eye Flashes: Causes and Concerns
Understanding Eye Issues: Dry Eyes, Floaters, and Night Vision Concerns
Eye problems Hello, Doctor. I visited several clinics in July and August due to dry eyes (with a tear break-up time of 7.2) and an increase in floaters. All examinations (visual field, fundus, macula) were normal, and I was prescribed artificial tears. By September, my symptoms s...
Dr. Gao Pilin Reply:
Hello: 1. This symptom is likely to be floaters. 2. Rainbow circles can sometimes be caused by corneal edema or secretions, and dry eyes can also lead to this phenomenon. Sometimes, wearing glasses can cause similar effects due to lens refraction or humidity. If the visual field,...[Read More] Understanding Eye Issues: Dry Eyes, Floaters, and Night Vision Concerns
Understanding Blurred Vision in the Left Eye: Possible Causes and Solutions
Left eye issues? Hello, doctor. Last month, I experienced blurred vision in my left eye and went for an examination. The macula showed no issues, but at night, when I look at lights, especially light strips, I notice that when I look straight ahead, there are no problems, but whe...
Dr. Gao Pilin Reply:
Hello Mr. Huang: The cause of the blurriness in your left eye is uncertain. The phenomenon of lights appearing to scatter when you move your eyes could be due to several possibilities: 1. Corneal issues (such as pressure on the cornea or scarring of the cornea) 2. Lens problems (...[Read More] Understanding Blurred Vision in the Left Eye: Possible Causes and Solutions
Impact of Vitreous Opacity and Dental Cleaning on Eye Health
Does vitreous opacity affect the eyes after dental cleaning? Dear Director Gao, I apologize for the interruption. My left eye underwent scleral buckle surgery for retinal detachment in 2007, caused by high myopia. I had cataract phacoemulsification surgery on both eyes in June l...
Dr. Gao Pilin Reply:
Hello Benjamin, 1. Is there a chance for my left eye's vision to recover to at least 0.4? After undergoing laser treatment for secondary cataracts, vision should improve. If there is no improvement, we need to consider several factors. The most important factors are high my...[Read More] Impact of Vitreous Opacity and Dental Cleaning on Eye Health
Understanding Post-Laser Treatment Symptoms for Retinal Issues
Questions Related to Post-Retinal Laser Treatment Dear Dr. Gao, Thank you very much for taking the time to answer my questions. About a year ago, I discovered that I had retinal tears in both my left and right eyes, and both underwent laser treatment. During my follow-up visit i...
Dr. Gao Pilin Reply:
Hello, Yunyun: Usually, seeing flashes of light is primarily caused by the vitreous pulling on the retina, while seeing black lines or floaters is known as floaters syndrome. This type of pulling is generally harmless, so as long as there is no further retinal damage upon examina...[Read More] Understanding Post-Laser Treatment Symptoms for Retinal Issues
Understanding Retinal Issues: Managing Blurry Vision and High Myopia
Retinal issues causing blurred vision? Hello, Doctor. Today, I noticed that my distance vision in my left eye is blurry, so I immediately went to see an ophthalmologist. Additionally, my left eye has elevated intraocular pressure. The doctor promptly arranged for a dilated eye ex...
Dr. Gao Pilin Reply:
Hello, 1. The doctor mentioned that a thinner peripheral retina is a common condition among individuals with high myopia and advised not to panic. Is that correct? Answer: Yes, that is correct. People with myopia tend to have larger eyeballs, which results in a thinner periphe...[Read More] Understanding Retinal Issues: Managing Blurry Vision and High Myopia
Understanding Floaters, Myopia, and Allergic Conjunctivitis: Key Insights
Floaters, myopia, allergic conjunctivitis? Hello Doctor, I have been seeing transparent lines or small black dots in my vision, with about one on the left and two on the right. I have a prescription of -6.00 diopters and astigmatism of -1.25, indicating high myopia. I would like ...
Dr. Gao Pilin Reply:
Hello, Ah Yu: 1. About six months ago, I had a dilated eye exam, and there were no issues with my macula. Is there anything specific I need to pay attention to? Answer: Just keep an eye on your vision; if you notice any changes from your usual sight, please consult a doctor im...[Read More] Understanding Floaters, Myopia, and Allergic Conjunctivitis: Key Insights
Understanding Visual Disturbances: Shadows, Afterimages, and Conjunctivitis
After seeing red light in the dark, the eyes immediately perceive a cyan-green afterimage, along with conjunctivitis and retinal issues? Hello, I have high myopia. I just had an eye examination in March of this year (which included OCT and slit lamp examination of the retina). Th...
Dr. He Jianxian Reply:
1. Afterimages are a normal phenomenon and should not be a cause for concern. 2. It may feel like floaters. 3. I cannot answer without knowing what you are describing. 4. Conjunctivitis and eye discharge are not significantly harmful to the eyes, but they can cause discomfo...[Read More] Understanding Visual Disturbances: Shadows, Afterimages, and Conjunctivitis
Can Core Strength Training Be Safe with Macular Hole?
Can core muscle training be performed with a macular hole? Dear Doctor, I have a macular hole in my left eye with a vision of 0.5. Recently, I have been exercising at the gym. Can I use the treadmill, stationary bike (at a fast pace), and other equipment for leg muscle training? ...
Dr. He Jianxian Reply:
There should be no significant relationship between exercising and macular holes; I have not heard of exercise causing subsequent issues.[Read More] Can Core Strength Training Be Safe with Macular Hole?
Understanding Macular Degeneration: Distorted Vision and Amsler Grid Testing
Macular degeneration Hello, Director. I apologize for the interruption. Yesterday, I used an A4-sized Amsler grid for testing. During the test, I noticed some visual distortion. Specifically, I observed slight wavy distortions at the very edges. When looking closely (about 10 cm ...
Dr. He Jianxian Reply:
Generally, close-range testing should not be conducted at a distance of 10 centimeters; a standard distance is 30 to 40 centimeters. I cannot assess any issues detected under non-standard conditions.[Read More] Understanding Macular Degeneration: Distorted Vision and Amsler Grid Testing
Understanding Macular Issues: Recovery Time for Fluid Post-Surgery
Macular issues Hello, Doctor He. I have developed a macular hole due to vitreous traction and underwent gas tamponade surgery at the end of last year (107 in the Taiwanese calendar). The macula successfully reattached, but after the reattachment, a small space formed at the botto...
Dr. He Jianxian Reply:
The timing cannot be determined; it is advisable to directly consult your surgeon for a more accurate answer.[Read More] Understanding Macular Issues: Recovery Time for Fluid Post-Surgery
Understanding the Use of Eyedrops for Glaucoma: A Patient's Concern
Ivermectin eye drops Hello Doctor, I am 24 years old and have severe myopia, with both eyes at -800 diopters. Earlier this year, I had an examination at a hospital in the northern part of Taiwan, where the doctor informed me that I might have glaucoma, as my intraocular pressure...
Dr. He Jianxian Reply:
If you have concerns about glaucoma, it is advisable to consult with an ophthalmologist for a more definitive assessment, as I do not have the necessary information to make a clear determination. Regarding astigmatism-related visual disturbances, if you have already seen four oph...[Read More] Understanding the Use of Eyedrops for Glaucoma: A Patient's Concern
Understanding Visual Distortion After Retinal Surgery: Causes and Concerns
Post-operative visual distortion after unilateral retinal detachment surgery? Hello Doctor: Last year, I underwent vitrectomy, gas tamponade, and artificial lens implantation due to a single-eye retinal detachment. It has been just over a month since the artificial lens was impla...
Dr. He Jianxian Reply:
Theoretically, the macula has not yet returned to its normal fine structure, which is a common phenomenon after detachment surgery. It is necessary to wait for a period of time for gradual recovery.[Read More] Understanding Visual Distortion After Retinal Surgery: Causes and Concerns
Does Crying After Cataract Surgery Affect Recovery and Vision?
Will crying due to sadness after cataract surgery affect postoperative recovery and vision? My mother, who is 85 years old, is about to undergo cataract surgery (without macular degeneration). However, due to my father's recent poor condition from cancer, she often cries due...
Dr. Cai Wenyuan Reply:
Hello, cataract surgery is a non-emergency procedure and can be scheduled at an appropriate time. Wishing you safety and health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan General Hospital, Ministry of Health and Welfare.[Read More] Does Crying After Cataract Surgery Affect Recovery and Vision?
Understanding Sudden Black Spots After Macular Degeneration Surgery
Macular degeneration Hello: My mother has stage four macular degeneration and delayed seeking treatment for some time. The doctor recommended surgery. Five days after the surgery, she suddenly developed a large dark circle in her vision. I would like to know why this large dark c...
Dr. He Jianxian Reply:
What is commonly referred to as dark circles? It is advisable to consult your attending physician directly for a clearer understanding.[Read More] Understanding Sudden Black Spots After Macular Degeneration Surgery
Understanding Eye Floaters: Are They a Sign of Retinal Issues?
Is it floaters? Hello doctor, on March 9th I went to Cathay for a check-up on my floaters (with dilation). The doctor said my retina was normal. However, on March 10th, I suddenly noticed that when I put on my glasses or after closing my eyes for a while and then opening them, th...
Dr. Cai Wenyuan Reply:
Hello: It can be considered that it is unrelated to the macula. Wishing you peace and health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan Hospital, Ministry of Health and Welfare.[Read More] Understanding Eye Floaters: Are They a Sign of Retinal Issues?
Understanding Visual Disturbances: Why Do Your Eyes Feel Shaky?
Experiencing a sensation of objects appearing to shake or fluctuate while looking at them? Hello Doctor: Previously, I felt that when I looked directly at objects, the images around my eyes seemed to have a shaking or fluctuating sensation (similar to the kind of fluctuation caus...
Dr. Cai Wenyuan Reply:
Hello, about three to four months ago, I had an OCT scan that showed no issues with the macula. However, recently I've been experiencing more significant fluctuations, and the number of images causing this sensation has been increasing. I recommend seeing a doctor for an exa...[Read More] Understanding Visual Disturbances: Why Do Your Eyes Feel Shaky?
Post-Cataract Surgery: Why Are My Mother's Eyes Different Colors?
Different eye colors after cataract surgery? Hello Doctor, my mother recently underwent cataract surgery on both eyes, using the same type of intraocular lens. However, the conditions of her eyes are different: Left Eye: She has previously had macular surgery (vitrectomy) and h...
Dr. Cai Wenyuan Reply:
Hello, it has been less than a week post-surgery. We can continue to observe. Wishing you safety and health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Department of Ophthalmology, Taoyuan General Hospital, Ministry of Health and Welfare.[Read More] Post-Cataract Surgery: Why Are My Mother's Eyes Different Colors?