Understanding High Myopia: Impact on Retina and Visual Perception
High myopia with enlarged blind spots and retinal degeneration issues? Hello, Doctor. I previously inquired about the issues related to high myopia and the expansion of blind spots, and I have a few more questions I would like to ask: 1. During a previous eye examination, you m...
Dr. Gao Pilin Reply:
Hello: 1. Retinal thinning and brightness perception: High myopia can indeed lead to retinal thinning, particularly around the macula. Thinning of the retina may affect the distribution and function of photoreceptor cells, thereby impacting visual quality. The macular region is...[Read More] Understanding High Myopia: Impact on Retina and Visual Perception
Understanding Eye Discomfort: Dryness, Inflammation, and Glaucoma Risks
Fundus examination, dry eyes? Hello Doctor, since January of this year, I have been experiencing dryness, tightness, and a feeling of pressure in my eyes. Artificial tears have not been effective. My eyesight is approximately 700 degrees in both eyes. I proactively asked my docto...
Dr. Gao Pilin Reply:
Hello: 1. Congenital Thinner Cornea or Optic Nerve: Some individuals may be born with a thinner cornea or optic nerve than normal. This can be due to genetic factors or individual variations and does not necessarily indicate a disease. However, it may increase the risk of certa...[Read More] Understanding Eye Discomfort: Dryness, Inflammation, and Glaucoma Risks
Understanding Visual Disturbances: Allergies, Dry Eyes, and Recovery
Seeing noise in the sky and on walls? Hello, Doctor. I am an engineer, and I have been experiencing significant eye strain over the past few months. About a month ago, I developed eye inflammation, and after seeing a doctor, I was told it was due to allergies. However, I have bee...
Dr. Gao Pilin Reply:
Hello: 1. The reasons for seeing visual noise (visual snow syndrome) in the situations you mentioned may include: - Eye fatigue: Prolonged use of electronic devices can lead to overexertion of the ciliary muscles, resulting in visual disturbances. - Dry eye syndrome: Dr...[Read More] Understanding Visual Disturbances: Allergies, Dry Eyes, and Recovery
Risks of Handheld Fundus Cameras: Eye Examination Concerns
Handheld fundus camera: Side effects of fundus examination? Hello, Dr. Gao. When I went to the optical shop to get my lenses, the optometrist provided a free handheld fundus camera for a retinal examination. They mentioned that they would provide the data for confirmation by an o...
Dr. Gao Pilin Reply:
Hello: A handheld fundus camera does use flashes to capture retinal images during a fundus examination. Generally, this method of examination is considered safe. Although the instructions mention a risk of retinal damage, this typically refers to prolonged, frequent, and high-int...[Read More] Risks of Handheld Fundus Cameras: Eye Examination Concerns
Understanding Eye Flashes and Floaters in High Myopia Patients
Eye twitching Hello Doctor: I am severely myopic (approximately -1100 diopters in both eyes). In January of this year, I began experiencing floaters (transparent strands, occasionally with small black dots). Later, I occasionally noticed flashes of light, mostly resembling flicke...
Dr. Gao Pilin Reply:
Hello: Based on your description, you have high myopia and floaters, and you have recently experienced occasional flashes of light. These conditions do require special attention, as individuals with high myopia are more prone to retinal issues. 1. Floaters and Flashes: - Flo...[Read More] Understanding Eye Flashes and Floaters in High Myopia Patients
Understanding Posterior Vitreous Detachment: Symptoms and Concerns
Posterior vitreous detachment Hello Doctor, due to my constitution, I was diagnosed with cataracts last year and I do not have myopia. In May, I underwent vitrectomy combined with intraocular lens implantation due to a rupture of the posterior capsule of the lens in my left eye. ...
Dr. Gao Pilin Reply:
Hello: Based on your description, you underwent vitrectomy and intraocular lens implantation for cataracts last year, and your recovery has been good. However, you have recently experienced some new visual symptoms. Here are some explanations and recommendations regarding your si...[Read More] Understanding Posterior Vitreous Detachment: Symptoms and Concerns
Understanding Floaters and Flashes: Exercise Guidelines for Eye Health
Vitreous floaters combined with photopsia? Hello, doctor. I have myopia with a prescription of -5.25 in my right eye and -5.00 in my left eye. Last week, I suddenly experienced symptoms of floaters in my right eye, accompanied by flashes of light (which I only see when I turn my ...
Dr. Gao Pilin Reply:
Hello: Thank you for your detailed description. Floaters and flashes are typically associated with vitreous degeneration and retinal traction. The symptoms you described do require attention, especially given the presence of areas of retinal weakness. 1. Are activities like jum...[Read More] Understanding Floaters and Flashes: Exercise Guidelines for Eye Health
Understanding Vitreous Degeneration: When to Seek Further Eye Exams
Vitreous degeneration? I would like to ask the doctor, recently due to vitreous degeneration, I have already undergone dilated fundus examination, fundus photography, and OCT at a clinic and the results were all normal. Last night, as I was going to sleep, I felt like there was w...
Dr. Gao Pilin Reply:
Hello: Based on your description, you have recently undergone dilation, fundus photography, and optical coherence tomography (OCT) examinations, all of which yielded normal results. This indicates that there are currently no significant lesions in your eyes. However, you mentione...[Read More] Understanding Vitreous Degeneration: When to Seek Further Eye Exams
Should You Avoid Jumping Exercises If You See Flashing Lights?
Vitreous degeneration Hello doctor, I recently noticed that when I jump in place, I see flashes of light. Should I avoid activities like jumping rope or jumping jacks that trigger these flashes?
Dr. Gao Pilin Reply:
Hello: You mentioned experiencing flashes while jumping in place, which may be related to vitreous degeneration. The vitreous is a gel-like substance inside the eye that can gradually liquefy or separate from the retina with age or under certain conditions, a situation known as v...[Read More] Should You Avoid Jumping Exercises If You See Flashing Lights?
Understanding Retinal Detachment Risks for High Myopia Patients
Retinal issues Hello, doctor. I would like to ask: I have high myopia of -600 degrees, and I sometimes worry about retinal detachment. I read online that sudden exertion can cause a rapid increase in intraocular pressure, leading to retinal detachment. Can you please tell me if e...
Dr. Gao Pilin Reply:
Hello: High myopia (greater than -6.00 diopters) is indeed one of the high-risk factors for retinal detachment. Due to the longer axial length of the eyes in individuals with high myopia, the retina becomes thinner, increasing the risk of retinal tears or detachment. Certain acti...[Read More] Understanding Retinal Detachment Risks for High Myopia Patients
Are Persistent Flashes or Waves in Vision Harmless?
Persistent flashes or wave-like patterns? Regarding the persistent flashes or wavy patterns mentioned in question 209224, could this condition potentially be completely harmless? Similar to the situation with floaters, could it simply be a result of degeneration? Since the earlie...
Dr. Gao Pilin Reply:
Hello: Possible benign causes: 1. Vitreous degeneration: Similar to floaters, vitreous degeneration can lead to flashes and wavy patterns. This is usually a natural degenerative process that occurs with aging or high myopia and may not require treatment. 2. Vitreous traction: Occ...[Read More] Are Persistent Flashes or Waves in Vision Harmless?
Understanding Monocular Diplopia: Causes, Diagnosis, and Treatment Options
Monocular diplopia Hello, Director: I apologize for taking up your time! I have been wearing glasses for my myopia for 40 years, with each eye approximately -500 degrees. In early April of this year, I noticed some blurriness in my left eye, and after an examination, my uncorrect...
Dr. Gao Pilin Reply:
Hello: Possible causes of postoperative vertical diplopia include: 1. Refractive issues: Despite having new glasses prescribed after surgery, there may still be some refractive errors that have not been fully corrected, leading to diplopia. This requires further examination by an...[Read More] Understanding Monocular Diplopia: Causes, Diagnosis, and Treatment Options
Understanding Post-Retinal Detachment Surgery Symptoms and Concerns
Post-Retinal Detachment Surgery Hello Director: I have undergone retinal detachment surgery on my left eye, which involved gas injection and vitrectomy. I also had an artificial lens implanted three years ago, and my vision is approximately 0.8 to 0.9. However, for the past three...
Dr. He Jianxian Reply:
Dear Mr. Hope: Based on your description, there should generally be no issues with your retina. As for the sensation of movement you are experiencing, I cannot interpret that; I recommend discussing it with your attending physician. Director He Jianxian, Ophthalmology, Nantou Hos...[Read More] Understanding Post-Retinal Detachment Surgery Symptoms and Concerns
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
Understanding Blurry Vision: Causes and Solutions for Myopia and Astigmatism
Blurred vision Hello, Doctor. I would like to inquire about my condition. I have myopia of -4.75 and astigmatism of -0.50 / -3.50. My vision in both eyes became blurry around January, and after an eye exam, my prescription increased. However, I later underwent other tests, includ...
Dr. Gao Pilin Reply:
Hello: Based on the detailed information you provided, the fluctuations in vision in your right eye may be caused by various factors. Here are several possible reasons and recommendations: 1. Eye Strain: Prolonged use of mobile phones and electronic devices can lead to eye fatig...[Read More] Understanding Blurry Vision: Causes and Solutions for Myopia and Astigmatism
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 Eye Safety: Risks of Laser Exposure and Symptoms
Laser light exposure to the eyes? Hello, doctor. A few days ago, a worker came to my house to install an air conditioner. One of the workers suddenly took out a laser distance meter and used it without any warning, pointing it in the direction of people. During the process, the l...
Dr. He Jianxian Reply:
Hello Ms. C: Laser injuries occur immediately and will happen at the moment of exposure, and there will be no issues such as headaches. Therefore, if you have any concerns, it is advisable to get checked out directly. Director He Jianxian, Ophthalmology, Nantou Hospital.[Read More] Understanding Eye Safety: Risks of Laser Exposure and Symptoms
Understanding Vision Issues: Thin Optic Nerve and Shadow Symptoms
Regarding visual field issues? Hello doctor, about three months ago, I was diagnosed with thinning of the optic nerve in the upper part of both eyes. The doctor mentioned that the thickness is approximately 79, while the lower part is normal at 100. The night before last, while m...
Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, the fact that the shadow changes position with the movement of your face suggests that it is less likely to be related to an optic nerve issue. However, an examination is still necessary to clarify the problem. Here are several steps yo...[Read More] Understanding Vision Issues: Thin Optic Nerve and Shadow Symptoms
Can Floaters Cause Blurry Vision? Understanding Your Eye Symptoms
Does floaters cause blurred vision? I have been experiencing floaters in both eyes for six months, and occasionally I see flashes of light. Since I first noticed the symptoms, I have visited two clinics for fundus examinations, both of which showed no abnormalities. However, in t...
Dr. Gao Pilin Reply:
Hello: Based on your description, having floaters in both eyes for six months along with occasional flashes, and experiencing blurred vision in the left eye, these symptoms may indicate some underlying issues in the eye, particularly related to the retina. Here are some possible ...[Read More] Can Floaters Cause Blurry Vision? Understanding Your Eye Symptoms