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
Seeing Afterimages Upon Waking: Possible Causes and Concerns
Waking up in the middle of the night with afterimages? Hello Doctor, I have a sleeping environment with a small night light and a ceiling fan. For the past three days, when I wake up in the middle of the night and open my eyes, I see a faint afterimage of the fan illuminated by t...
Dr. Gao Pilin Reply:
Hello: Based on your description, you see afterimages of the fan when you open your eyes in the dark or dimly lit environment, and these afterimages disappear after a few seconds. You have a history of dry eye syndrome and retinal tears, and you are taking cold medication and pro...[Read More] Seeing Afterimages Upon Waking: Possible Causes and Concerns
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
Post-Retinal Laser Surgery: Safe Exercise Guidelines and Recommendations
What are the suitable exercises after retinal tear laser treatment? Hello, doctor. I would like to ask if there should be any restrictions on the intensity of running and cycling activities after undergoing laser surgery for a retinal tear. For example, is it safe to participate ...
Dr. Chen Anping Reply:
Hello: In the early postoperative period, high-intensity exercise should be avoided. Subsequently, activities should be based on individual recovery status and specific recommendations from the physician. Recovery rates vary among individuals, so regular follow-up appointments ar...[Read More] Post-Retinal Laser Surgery: Safe Exercise Guidelines and Recommendations
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
Understanding Gel-like Visual Disturbances During Eye Movement
Gel-like substance during eye movement? Hello Doctor, I recently noticed that when I turn my head quickly or move my eyes, I see a fixed area in my left eye that resembles a plastic film. This occurs for a fraction of a second each time I turn my head, and it feels like quickly p...
Dr. Gao Pilin Reply:
Hello: Based on your description, you are experiencing brief abnormal visual phenomena in your left eye during rapid eye movements, which may be related to the vitreous or retina. Here are some possible causes: 1. Vitreous opacities: The vitreous is a transparent gel-like substan...[Read More] Understanding Gel-like Visual Disturbances During Eye Movement
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 Double Vision: Causes, Control, and When to See an Eye Doctor
Diplopia issues I would like to inquire about a sudden decrease in vision that Dr. Gao mentioned previously. Recently, my right eye has started to become blurry again, and the measurement has returned to the original prescription of -4.75. Over the past couple of days, I noticed ...
Dr. Gao Pilin Reply:
Hello: Regarding your sudden vision loss that has since recovered: Your vision loss may have been caused by a temporary condition such as eye strain, an eye infection, or dry eye syndrome. If your vision has returned to normal and you have no other symptoms, then there may not be...[Read More] Understanding Double Vision: Causes, Control, and When to See an Eye Doctor
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
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 Visual Disturbances: Spots and Flashes After Waking Up
Upon waking, I notice many spots in my vision? Hello Doctor: I have a history of retinal tears in both eyes and have undergone laser treatment. This morning, when the phone rang in the living room, I hurriedly walked from my room and suddenly noticed many round spots of light in ...
Dr. He Jianxian Reply:
Hello Miss Xiao Ju: Visual persistence is a common phenomenon. Generally, if it resolves quickly, there is no need to worry too much. However, if you are still concerned, it is advisable to have an eye examination. Director He Jianxian, Ophthalmology Department, Nantou Hospital.[Read More] Understanding Visual Disturbances: Spots and Flashes After Waking Up
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 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 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
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
Is the Retina Prone to Tears? Understanding Risks and Concerns
Is the retina prone to tearing? Hello, Doctor. Previously, the doctor mentioned that my retina is very thin due to a retinal tear. The day before yesterday, while working, a cardboard brushed against my right eye, and I reflexively blinked. Although I didn't feel any discomf...
Dr. Gao Pilin Reply:
Hello: If your eye has experienced an accidental impact, even if you do not feel immediate discomfort, it is advisable to closely monitor the condition of your eye. If you notice any changes in your vision, such as flashes, floaters, or shadows in your field of vision, please see...[Read More] Is the Retina Prone to Tears? Understanding Risks and Concerns