Understanding Occasional Circular Shadows When Eyes Are Closed
There are no issues with vision, but occasionally, when closing the eyes and looking to the left, a fixed circular dark spot appears? Hello, doctor: My myopia is approximately -500 degrees. When my eyes are open, I do not experience any color distortion or image distortion. Howev...
Dr. Cai Wenyuan Reply:
Monitor the symptoms, and if they persist, seek medical evaluation.[Read More] Understanding Occasional Circular Shadows When Eyes Are Closed
Understanding Black Spots When Rolling Eyes: Is It Eye Pressure?
Closing your eyes and turning them to the extreme angle can result in the appearance of black spots? Hello: I have approximately 400 degrees of myopia. When I turn my eyes while sleeping, I notice a dark spot appearing at the corners of my closed eyes, but when I open my eyes, th...
Dr. Gao Pilin Reply:
Hello: Based on your description, the shadows you experience when turning your eyes to the extreme angles with your eyes closed may be related to changes in intraocular pressure. When the eyes are turned to their limits, the extra pressure exerted by the extraocular muscles may t...[Read More] Understanding Black Spots When Rolling Eyes: Is It Eye Pressure?
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 Eye Fatigue and Macular Degeneration: Key Insights
Eye fatigue? Macular degeneration? Hello, doctor. I have high myopia (around 1000 degrees). Last month, I had a comprehensive eye examination at an ophthalmology clinic, which included dilation and OCT. Aside from experiencing symptoms of floaters, everything else was normal. Rec...
Dr. Gao Pilin Reply:
Hello: Based on your situation, there are several points to consider: 1. Eye Strain: Prolonged exposure to electronic screens can easily lead to eye strain, especially in individuals with high myopia. This strain may cause visual distortions, such as slight tilting of images or...[Read More] Understanding Eye Fatigue and Macular Degeneration: Key Insights
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
Understanding Diplopia and Astigmatism: Causes and Concerns
Diplopic astigmatism I would like to consult Dr. Gao regarding my astigmatism, which was previously measured at 0.50 and did not seem to cause any significant issues. Recently, I have been experiencing double vision. I previously mentioned that there is a faint line next to the b...
Dr. Gao Pilin Reply:
Hello: Regarding your situation, I understand your concerns. Based on your description, your main issues currently are double vision and changes in astigmatism. First, the degree of astigmatism can change over time, especially during periods of eye strain or visual adjustment. An...[Read More] Understanding Diplopia and Astigmatism: Causes and Concerns
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 Persistent Flashes After Posterior Vitreous Detachment
Posterior vitreous detachment Can posterior vitreous detachment cause persistent flashes of light? Specifically, can these flashes last for 24 hours, even noticeable with closed eyes? What could persistent flashes indicate? I do not have blurred vision, but I do experience sympto...
Dr. Gao Pilin Reply:
Hello: Posterior vitreous detachment is one of the common ocular changes in individuals with high myopia, especially prevalent among middle-aged and older populations. During this process, the vitreous (a transparent gel-like substance within the eye) separates from the back of t...[Read More] Understanding Persistent Flashes After Posterior Vitreous Detachment
Understanding Flashing Lights in Vision: When to Seek Eye Care
Flashes of light in the eyes that resemble a broken light bulb? Hello Doctor: I do not have myopia. Since February, I have occasionally experienced a sensation of a light bulb flickering at the top of my head, with each occurrence lasting briefly. Sometimes it happens five or six...
Dr. Gao Pilin Reply:
Hello: The situation you described is likely related to photopsia. Photopsia is typically caused by traction or stimulation of the retina, and it is more common in individuals with thinner retinas. Here are detailed answers to the issues you mentioned: 1. Should you seek medica...[Read More] Understanding Flashing Lights in Vision: When to Seek Eye Care
Understanding Floaters and Flashing Lights: When to Seek Eye Care
Eye highlights Hello Doctor: I started experiencing symptoms of floaters around January of this year. Since then, I have undergone 10 dilated eye examinations because new symptoms keep appearing, which makes me anxious and leads me to visit different clinics (I have had two visit...
Dr. Gao Pilin Reply:
Hello: 1. Examination Results and Laser Treatment: If multiple dilated eye examinations have not revealed any retinal tears or holes, despite having high myopia and thinner peripheral retina, there is a valid reason why your doctor has not recommended laser treatment. Preventiv...[Read More] Understanding Floaters and Flashing Lights: When to Seek Eye Care
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
Concerns About Antibiotic Resistance and Ocular Conditions
Concerns about drug resistance and special diseases? 1. I used the Betamethasone eye ointment only 4 times (before bed for 4 days) and the Chloramphenicol eye drops 5 times (5 drops over 5 days). The main symptoms of photophobia, eye moisture, and the sensation of a foreign body ...
Dr. Gao Pilin Reply:
Hello: Concerns about antibiotic resistance: Based on your description, the frequency of using Betamethasone eye ointment and Chloramphenicol eye drops is relatively low, which suggests a lower risk of developing antibiotic resistance. Antibiotic resistance typically arises fro...[Read More] Concerns About Antibiotic Resistance and Ocular Conditions
Understanding White Light Spots in Vision: Causes and Concerns
White streaks or spots of light appearing in the vision? Hello, doctor. I have high myopia (1000-1050) and astigmatism of 150 degrees. Recently, I noticed the presence of floaters, but they haven't significantly affected my daily life. However, I have experienced symptoms re...
Dr. Gao Pilin Reply:
Hello: Based on your description, the visual phenomena you mentioned involve floaters, flashes, and possibly visual snow. Firstly, floaters are typically caused by opacities in the vitreous humor projecting onto the retina; these floating objects can be transparent or semi-transp...[Read More] Understanding White Light Spots in Vision: Causes and Concerns
Understanding Eye Fatigue: Causes, Symptoms, and Treatment Options
Eye fatigue In early May, I had a follow-up appointment for a floaters examination because I felt like there were things flashing when looking at a white wall, and when I closed my eyes, I felt like there were things constantly moving, similar to blobs of light. I would like to a...
Dr. Gao Pilin Reply:
Hello: Based on your description, the symptoms you mentioned mainly include floaters, intermittent strabismus, blurred vision, and eye fatigue. Here are the responses to these issues: Floaters: Floaters refer to the appearance of floating black dots or lines in your vision, whic...[Read More] Understanding Eye Fatigue: Causes, Symptoms, and Treatment Options
Understanding Zigzag Light Patterns in Vision: Causes and Insights
Sawtooth light? Hello, Doctor Gao. I have noticed a curved, serrated bright line on the right side of my vision. I use the term "bright line" because it does not flicker. When I close my eyes and rest, the symptoms disappear within ten minutes, and I do not experience a...
Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, the appearance of arc-shaped, serrated bright lines in your right visual field may be related to issues with the eyes or the nervous system. Here are some possible factors and recommendations: Possible Factors: 1. Eye Problems: Abnorma...[Read More] Understanding Zigzag Light Patterns in Vision: Causes and Insights
Understanding Blurry Vision with Soft Contact Lenses: A Guide for High Myopia
One eye is blurry with soft contact lenses? Hello Doctor: I have high myopia (the most recent measurement was two weeks ago: left eye approximately -1200 diopters with astigmatism of -175; right eye approximately -1075 diopters with astigmatism of -175). However, each time I have...
Dr. Gao Pilin Reply:
Hello: Based on the situation you described, there are several possible reasons that could explain your vision fluctuations: 1. Inconsistent prescription between glasses and contact lenses: You mentioned that the prescriptions for your glasses and contact lenses differ, which ma...[Read More] Understanding Blurry Vision with Soft Contact Lenses: A Guide for High Myopia
Understanding Floaters: Concerns and Eye Health Tips for Young Adults
The issue of floaters? Hello, Doctor. I would like to ask you some questions. I have been experiencing floaters for nearly three years now, but I feel that the number of floaters has increased recently. I wonder if this is due to my increased screen time and staying up late. Over...
Dr. Gao Pilin Reply:
Hello: Floaters are quite common in clinical practice, especially among individuals with myopia. Floaters typically occur due to the degeneration or liquefaction of the vitreous, resulting in tiny particles that affect the transmission of light within the eye, leading to shadows ...[Read More] Understanding Floaters: Concerns and Eye Health Tips for Young Adults