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 the Difference Between Vitreous and Retinal Detachment Flashes
Photopsia Hello, doctor. I would like to ask a few questions: What is the difference between the flashes of light caused by vitreous detachment and retinal detachment? Is it related to the frequency of occurrence? If I suddenly experience a flash of light once and it does not rec...
Dr. Gao Pilin Reply:
Hello: Regarding your question, there are some differences between the phenomenon of flashes caused by vitreous detachment and retinal detachment: 1. Vitreous Detachment: As we age, the vitreous humor gradually liquefies and separates from the retina, which is a common occurrence...[Read More] Understanding the Difference Between Vitreous and Retinal Detachment Flashes
Can High Myopia Cause Enlarged Blind Spots and Visual Shadows?
Does high myopia cause an expansion of blind spots? + Visual shadows in dimly lit areas? Hello Doctor, I have a few questions I would like to ask. 1. I noticed in the past year or two that when I close one eye, I can see a dark area near my blind spot in both eyes. Previously, ...
Dr. Gao Pilin Reply:
Hello: 1. High myopia and the expansion of the blind spot associated with high myopia (1000 and 1200 diopters) can indeed lead to retinal degeneration, which may affect the structures surrounding the optic nerve, resulting in an enlarged blind spot. Although your OCT scan shows...[Read More] Can High Myopia Cause Enlarged Blind Spots and Visual Shadows?
Understanding Corneal Issues: Are Your Eye Flashes Related to Retinal Detachment?
Flashes and corneal issues? I have had keratoconus for about twelve years and have been regularly visiting the clinic every year. This year, in early April, I noticed a small area in my vision that flashes when I blink. After my follow-up appointment, I asked the doctor about it,...
Dr. Gao Pilin Reply:
Hello: The sensation of flashes and changes in vision may be related to retinal issues and should be taken seriously. Keratoconus itself can lead to blurred or distorted vision, but flashes and changes in color are less common. Common symptoms of retinal detachment include a sudd...[Read More] Understanding Corneal Issues: Are Your Eye Flashes Related to Retinal Detachment?
Understanding Visual Distortion: Is It Temporary or Permanent?
Visual distortion I would like to ask the doctor: Is the distortion of vision caused by general retinal disorders temporary? For example, is it possible to experience a momentary distortion of objects that quickly returns to normal? Or once distortion occurs, will it persist unti...
Dr. Gao Pilin Reply:
Hello: Distortion of vision caused by retinal disease is generally not temporary but rather a persistent change until appropriate treatment is administered. If you suddenly experience distortion of vision in your daily life and this condition quickly resolves, such symptoms are l...[Read More] Understanding Visual Distortion: Is It Temporary or Permanent?
Understanding Visual Field Issues: Are They Related to Floaters?
Visual field issues Hello doctor, I recently noticed that when I look at something with one eye, a certain point just outside the center of my vision causes that object to disappear. Both eyes have the same condition, and the object seems to blend into the background. Could this ...
Dr. Gao Pilin Reply:
Hello: Based on your description, the phenomenon of objects disappearing at a certain point in the central vision of one eye, and both eyes experiencing the same condition, may be related to issues with the retina or optic nerve. Floaters typically present as floating black dots ...[Read More] Understanding Visual Field Issues: Are They Related to Floaters?
Understanding Chronic Conjunctivitis: Links to Floaters and Dry Eye Issues
Chronic conjunctival inflammation and issues related to floaters and dry eye syndrome? Hello Doctor: 1. I started experiencing dry eyes and photophobia around March of this year. After an examination at a major hospital, I was diagnosed with chronic giant papillary conjunctivit...
Dr. Gao Pilin Reply:
Hello: 1. Causes of Chronic Giant Papillary Conjunctivitis: Chronic giant papillary conjunctivitis is often associated with contact lens wear, but it can also be caused by foreign bodies in the eyelid (such as sutures or prosthetic eyes). Even if you do not wear contact lenses ...[Read More] Understanding Chronic Conjunctivitis: Links to Floaters and Dry Eye Issues
Understanding Persistent Visual Disturbances: Are They Signs of Retinal Degeneration?
Flashing, flickering, lightning—it's hard to describe? In mid-June, I underwent a dilated eye exam, and the doctor explained that there were no symptoms, only the presence of floaters. Since I have not experienced any retinal tears or detachments, the doctor advised that I o...
Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, the persistent phenomenon of "flashes, lightning, flickering, and water patterns," which occurs even when your eyes are closed, is indeed concerning. However, since you underwent a dilated eye examination in mid-June and no ab...[Read More] Understanding Persistent Visual Disturbances: Are They Signs of Retinal Degeneration?
Understanding Vitreous Liquefaction and Its Effects on Vision
Vitreous liquefaction Hello, Doctor: I had a retinal examination a month ago, and there were no issues, but there was vitreous liquefaction. Recently, I have been experiencing frequent flashes of light, so I went for another check-up. The doctor said it is a normal phenomenon, bu...
Dr. Gao Pilin Reply:
Hello: Vitreous liquefaction is a common phenomenon that occurs with aging or changes in myopia. After vitreous liquefaction, it can sometimes cause traction on the retina, leading to the sensation of flashes of light. This is due to the pulling or tugging at the junction between...[Read More] Understanding Vitreous Liquefaction and Its Effects on Vision
Understanding Visual Snow Syndrome: Symptoms, Diagnosis, and Concerns
Regarding question 21141? Regarding question 210141, I would like to ask if my condition might be related to "visual snow," as I feel there are some similarities. If so, what kind of examinations should I undergo, and which specialty should I consult? Currently, my visi...
Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, the persistent phenomenon of "flashes, lightning, flickering, and water waves," which occurs even when your eyes are closed, is indeed concerning. However, since you underwent a dilated eye exam in mid-June and no abnormalitie...[Read More] Understanding Visual Snow Syndrome: Symptoms, Diagnosis, and Concerns
Understanding Visual Snow: Is Screen Time the Cause?
Perception of noise? Hello, doctor. Recently, I have noticed that when I look at the wall, there are particles that resemble television static moving around. It is not very noticeable most of the time, but it becomes more apparent after reading or using my phone, and it also beco...
Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, this condition is known as visual snow syndrome. This phenomenon typically manifests as grainy images resembling television static in the visual field. Here are some possible causes and related information: Possible Causes of Visual Sn...[Read More] Understanding Visual Snow: Is Screen Time the Cause?
Understanding Visual Disturbances After Retinal Laser Treatment
After retinal tear laser treatment, the patient may experience Weiss ring and decreased light perception? Dear Dr. Gao, I had laser treatment for a retinal tear in my left eye last month, and the next day I experienced a Weiss ring along with numerous small black floaters. This ...
Dr. Gao Pilin Reply:
Hello: 1. The effect of Weiss rings on light: Weiss rings are a common phenomenon during vitreous detachment. These dark shadows or ring-like structures typically do not directly affect the amount of light entering the eye, but they may cause visual disturbances, especially aga...[Read More] Understanding Visual Disturbances After Retinal Laser Treatment
Understanding Visual Phenomena: Active Light Patterns with Eyes Closed
When closing the eyes, the play of light and shadow becomes very active? Hello Doctor: In the past few days, when I close my eyes in the dark, the light and shadows I see are more active than usual. Sometimes, I even see a group of light spots flashing rhythmically. Today, I even...
Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, the phenomena of light shadows and spots may involve several different causes. 1. Physiological phosphenes? Seeing light shadows or spots with closed eyes in the dark is a relatively common phenomenon known as "physiological phos...[Read More] Understanding Visual Phenomena: Active Light Patterns with Eyes Closed
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?
Post-Surgery Concerns: Black Spots in Vision After Retinal Detachment
Two and a half months post-surgery, I see small black spots in my vision? Hello, Doctor. My mother underwent retinal detachment surgery on April 23 of this year, utilizing scleral buckle technique. During her follow-up appointment in May, she received additional laser treatment f...
Dr. Gao Pilin Reply:
Hello: Possible reasons for the appearance of small black spots after surgery: 1. **Floaters**: The appearance of small black spots after retinal detachment surgery may be due to floaters. This occurs because the gel-like substance in the vitreous humor changes with age or post-...[Read More] Post-Surgery Concerns: Black Spots in Vision After Retinal Detachment
Understanding Visual Disturbances: Is It Visual Snow or Something Else?
Visual persistence? Visual snow syndrome? Mental health issues? Hello Doctor, I currently have high myopia in both eyes, close to 900 degrees. Recently, I started experiencing dizziness, which coincided with a change in my glasses. I went to an ophthalmologist to check my prescri...
Dr. Gao Pilin Reply:
Hello: Based on your description, your visual issues may be related to "visual snow" or "visual persistence." These phenomena can be normal in certain situations, but if you suddenly become aware of them and start to worry, it may exacerbate your discomfort. H...[Read More] Understanding Visual Disturbances: Is It Visual Snow or Something Else?
Understanding Visual Distortions: When to Worry About Your Eyesight
Macula? Hello, Doctor. I have personal myopia of 500-600 degrees and astigmatism of 150-200 degrees. I have an undiagnosed test for glaucoma (the doctor said it is caused by high intraocular pressure), but I am on a fixed regimen of eye drops and have follow-up examinations. On A...
Dr. Gao Pilin Reply:
Hello: The situation you mentioned may be related to eye strain, dry eye syndrome, or high myopia. 1. Lines appearing distorted in the Amsler grid test: If you occasionally notice lines not straight while using the Amsler grid test, but they return to normal after blinking, thi...[Read More] Understanding Visual Distortions: When to Worry About Your Eyesight
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
Understanding Visual Disturbances: Flickering Lights and Floaters Explained
Upon waking up, I noticed that the wall seemed to be swaying, and there was a slight flickering sensation? Hello Doctor: Recently, I have been troubled by flashes of light. I have undergone multiple dilated eye examinations and ultra-widefield fundus photography, but no issues we...
Dr. Gao Pilin Reply:
Hello: Based on your symptoms, there are several possible explanations to consider: 1. Vitreous Degeneration: You mentioned seeing transparent objects resembling amoebae on sunny days, which is typical of floaters, commonly associated with vitreous degeneration or degeneration....[Read More] Understanding Visual Disturbances: Flickering Lights and Floaters Explained
Understanding High Eye Pressure: Insights on Diagnosis and Treatment
Ocular hypertension Hello, Dr. Gao. Due to high myopia, with prescriptions of -800 and -700 diopters, my tonometry readings have reached a maximum of 24 mmHg, mostly ranging between 21 and 22 mmHg. When using a handheld tonometer, the readings are around 18 and 17 mmHg. I have co...
Dr. Gao Pilin Reply:
Hello: Based on the detailed information you provided, here are my recommendations and explanations: 1. Should you continue using eye drops? Given your high myopia and elevated intraocular pressure, you belong to a high-risk group for glaucoma, making the preventive use of intra...[Read More] Understanding High Eye Pressure: Insights on Diagnosis and Treatment