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 Eye Issues: Green Lights, Floaters, and Visual Distortions
Eye problems Hello, doctor. I have some questions I would like to ask. Sometimes when I move my eyes (not very quickly), I see a "green" light (a patch). As a student, I spend quite a long time using my eyes, so I feel that my floaters have become more pronounced. Is th...
Dr. Gao Pilin Reply:
Hello: 1. Seeing "green" light when moving your eyes: The situation you described may be related to vitreous traction on the retina, which can trigger photopsia, such as flashes of light or seeing green spots during eye movement. If this phenomenon occurs frequently o...[Read More] Understanding Eye Issues: Green Lights, Floaters, and Visual Distortions
Post-Cataract Surgery: Why Is My Right Eye Darker Than the Left?
After cataract surgery, the right side appears a bit darker? Dear Dr. Tsai, I have both of my eyes implanted with monofocal aspheric intraocular lenses: FALSNWAVE4AI. My left eye underwent cataract surgery without sutures and is functioning well and brightly. However, after the ...
Dr. Cai Wenyuan Reply:
It is difficult to determine; it is recommended to visit an ophthalmology clinic for examination.[Read More] Post-Cataract Surgery: Why Is My Right Eye Darker Than the Left?
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 Eye Issues: Floaters, Flashes, and Dry Eyes Explained
Flashes, eye problems? Hello Doctor, thank you for answering some of my questions previously. I really appreciate it. I have floaters and wear orthokeratology lenses. I have some additional questions I would like to ask: 1. Recently, when I stare at a screen for a long time, I ...
Dr. Gao Pilin Reply:
Hello: 1. Seeing a flash of light when staring at a screen: This situation may be related to eye fatigue or visual overstimulation. When you focus on a screen for an extended period, the photoreceptors in the retina may produce brief visual afterimages, which is a normal phenom...[Read More] Understanding Eye Issues: Floaters, Flashes, and Dry Eyes Explained
Why Do I See a Black Circle in Bright Lights? Eye Health Explained
A black circular object appears at the center of the light source? Recently, I have noticed that when I look at light sources (such as light bulbs, headlights of cars at night, and streetlights) with my left eye, a small black circular object occasionally appears at the center of...
Dr. Gao Pilin Reply:
Hello: Based on your description, the appearance of a black circular object in your left eye when looking at a light source may be caused by various factors, and further examination is needed to determine the specific cause. Here are several possible reasons: 1. Vitreous opacit...[Read More] Why Do I See a Black Circle in Bright Lights? Eye Health Explained
Common Eye Issues: Managing High Eye Pressure and Visual Disturbances
Eye problems Hello, Doctor. I have a few questions: 1. My intraocular pressure seems to be a bit high; do you have any methods to help lower it? 2. I wear orthokeratology lenses at night, but when I blink quickly in the dark, I see a circular light in the center of my vision. 3. ...
Dr. Gao Pilin Reply:
Hello: 1. Management of elevated intraocular pressure: - Pharmacological treatment: If intraocular pressure is elevated, topical medications to lower eye pressure are typically used. The specific medication should be based on the ophthalmologist's prescription. - L...[Read More] Common Eye Issues: Managing High Eye Pressure and Visual Disturbances
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
Why Do My Eyes Hurt in Bright Sunlight? Understanding Eye Pain
Experiencing sharp pain in the eyes when exposed to sunlight? Hello doctor, this morning when I opened the window and sunlight came in, I suddenly felt a sharp pain in my eyes. Later, when I rode my bike from the basement to the entrance and encountered the sunlight again, I expe...
Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, experiencing sharp pain in the eyes after exposure to sunlight may have multiple causes. Here are some possible explanations: 1. Photophobia: This refers to an increased sensitivity of the eyes to light. Photophobia can be caused by va...[Read More] Why Do My Eyes Hurt in Bright Sunlight? Understanding Eye Pain
Seeing Shadows While Coughing: Is It a Retina Issue?
Coughing with dark sputum? Hello, doctor. I experience floaters when looking at the sky or under bright sunlight. Two years ago, I also noticed some patterns that appeared to be shaking. At that time, I visited a major hospital and underwent tests for glaucoma and optical coheren...
Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, particularly the appearance of black shadows during coughing, it is indeed important to pay special attention. Here are some possible causes and recommendations: 1. Vitreous traction: Coughing or straining may cause a temporary change...[Read More] Seeing Shadows While Coughing: Is It a Retina Issue?
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 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
Understanding Blurry Vision: Causes and Concerns for Eye Health
Blurred vision (Sequence 208650) I'm sorry, Dr. Gao. If the reasons you mentioned could be ambiguous, could there be a possibility that the left eye's vision has decreased while astigmatism has appeared, and the right eye's vision has increased, all occurring withi...
Dr. Gao Pilin Reply:
Hello: Based on your description, the changes in your vision and the onset of astigmatism may be the result of multiple factors. Here are several possibilities: 1. **Vision Fluctuations**: Short-term fluctuations in vision may be caused by eye strain, dry eye syndrome, or irreg...[Read More] Understanding Blurry Vision: Causes and Concerns for Eye Health
Understanding Eye Flashes: Signs of Retinal Detachment or Not?
Flashes of light in the eyes? Hello, Doctor Gao. I do not have floaters, but I am nearsighted with a prescription of -1.50 in my left eye and -2.20 in my right eye. Recently, I have occasionally seen flashes of light, such as two quick flashes while in the bathroom (I'm not ...
Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, there are several possibilities to consider, but it does not necessarily indicate retinal detachment. 1. Occasional flashes of light: This condition may be related to the retina. If the retina is being pulled or has small tears, it ca...[Read More] Understanding Eye Flashes: Signs of Retinal Detachment or Not?
Understanding Flashing Lights and Visual Disturbances After Retinal Repair
The eyes perceive light as extremely bright, and the light appears to pulsate or change in size? Hello Doctor, I had an eye examination in mid-April and found that there were many retinal tears that have been repaired. Prior to the retinal repair, I also had dry eye syndrome. I h...
Dr. Gao Pilin Reply:
Hello: Based on the situation you described, the symptoms of flashes of light, changes in light intensity, and seeing rainbows that you experienced around early April may be related to your retinal tear. These symptoms could be caused by dynamic changes in the vitreous fluid due ...[Read More] Understanding Flashing Lights and Visual Disturbances After Retinal Repair
Should You Wear High Blue Light Filtering Glasses for Eye Strain?
Blue light blocking glasses Hello, Doctor Gao: I am a patient with high myopia, with both eyes exceeding -1500 diopters. In recent years, my symptoms of floaters have continued to worsen, with a large area of white floating objects and black threads drifting in front of my eyes. ...
Dr. Gao Pilin Reply:
Hello: For your situation, blue light filtering glasses can indeed help alleviate eye fatigue and discomfort, which is particularly important for individuals with high myopia. Blue light emanates from many everyday items, including electronic devices such as computers, smartphone...[Read More] Should You Wear High Blue Light Filtering Glasses for Eye Strain?
Understanding Eye Flashes and Vitreous Liquefaction in High Myopia
Eye flashes; vitreous liquefaction? Hello, Doctor: A few days ago, I came to ask you about the sensation of flashing lights in my eyes. I have high myopia of over 1000 degrees, and I started noticing floaters around January, which led me to frequently visit ophthalmology clinics ...
Dr. Gao Pilin Reply:
Hello: Based on your description, you are indeed facing some challenges related to retinal issues, but in your case, these symptoms are typically classified as part of retinal degeneration. Retinal degeneration is a broader term used to describe changes or deterioration in the fu...[Read More] Understanding Eye Flashes and Vitreous Liquefaction in High Myopia
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 Vision Issues: Glaucoma, Floaters, and Eye Clarity
Poor vision? I have early-stage glaucoma and floaters (with regular check-ups). Hello, doctor. I would like to ask about my condition. I have over 600 degrees of myopia and flashes. Currently, I wear glasses for distance vision. When looking at distant objects with one eye, my le...
Dr. Gao Pilin Reply:
Hello: It is quite common for one eye to be sharper than the other. Additionally, it is related to the prescription of your glasses. If the glasses are prescribed with a slightly stronger power than your actual eye prescription, it may appear sharper. Conversely, if the prescript...[Read More] Understanding Vision Issues: Glaucoma, Floaters, and Eye Clarity