Understanding Post-Retinal Laser Surgery Visual Disturbances
Post-Retinal Laser Surgery Hello, Doctor. I had retinal laser surgery six months ago, and I recently had an eye exam where my vision was found to be stable. However, just now I suddenly saw striped patterns in my vision (similar to a water mark), and it persisted even after I too...
Dr. Gao Pilin Reply:
Hello, when the vitreous body degenerates, this kind of situation can occur. When fluid enters the vitreous cavity, this phenomenon happens. This phenomenon will return to normal after a while.[Read More] Understanding Post-Retinal Laser Surgery Visual Disturbances
Understanding Visual Disturbances: Foggy Vision and Shadowy Edges
Black shadows and white haze in the eyes? Hello Doctor, I have experienced traumatic hyphema in both eyes. Recently, I noticed that sometimes when I daydream, I have a foggy sensation in my vision, but it disappears as soon as I snap back to reality. What could this be? Additiona...
Dr. Gao Pilin Reply:
Hello, Xiao Han: It is possible that you are experiencing vitreous degeneration, commonly known as floaters, which may occur earlier due to a previous eye injury. You should get it checked; if the examination shows no issues, you can be reassured. Photopsia, in simple terms, is a...[Read More] Understanding Visual Disturbances: Foggy Vision and Shadowy Edges
Understanding Visual Disturbances: Causes and When to See a Specialist
Visual impairment Hello, doctor. From October to January, I have experienced an episode each month where my eye suddenly shows irregular "colored lightning flashes" resembling a blot or a line. This phenomenon persists in my vision, and at times, I experience visual blu...
Dr. He Jianxian Reply:
Your condition sounds like a visual aura preceding a migraine attack. If it occurs too frequently, you should consider consulting a neurologist. Dr. He Jian-xian from Nantou Hospital's Ophthalmology Department.[Read More] Understanding Visual Disturbances: Causes and When to See a Specialist
Understanding Visual Disturbances: Black Lightning in One Eye After Injury
Seeing black flashes at the edges of vision in one eye? Hello Doctor, in mid-December last year, I was hit three times in a row by a volleyball. After that, I went to the hospital for an examination, and the doctor performed several fundus examinations. The doctor said that there...
Dr. Gao Pilin Reply:
Hello: This is likely a phenomenon caused by vitreous traction. If there are no tears, you can be reassured. This type of symptom may persist for a long time, regular check-ups are sufficient, and surgery is not necessary. Please refer to: https://bit.ly/33ZVoVI[Read More] Understanding Visual Disturbances: Black Lightning in One Eye After Injury
Understanding Unusual Eye Symptoms: Bright Lights and Visual Disturbances
When looking at a light source and blinking, there will be a long beam of light below the source, as well as strange bright lights at night? Dear Doctor Gao, Recently, I have suddenly experienced three phenomena with my eyes that I have never encountered before. I'm unsure ...
Dr. Gao Pilin Reply:
Hello NKMR: 1. It may be a visual phenomenon, which should not be a concern. 2. It is a normal occurrence that everyone experiences, caused by the eyelashes. 3. It is likely also a visual phenomenon, a physiological occurrence, not a flash caused by retinal traction.[Read More] Understanding Unusual Eye Symptoms: Bright Lights and Visual Disturbances
Understanding Flashing Lights in Vision: Is It a Retinal Issue?
Flashes in the eyes and retinal issues? Hello Doctor, I would like to ask a question. I have high myopia, and recently, about one or two months ago, I started noticing a bright spot in my vision when I focus on something, like my phone. It appears as a transparent white spot that...
Dr. Gao Pilin Reply:
Hello, Tai Tai: This may be a phenomenon of vitreous floaters, also known as floaters. It is recommended that you have an eye examination. Actions such as sneezing, holding your breath, or coughing can cause visual disturbances, often described as "seeing stars," due to...[Read More] Understanding Flashing Lights in Vision: Is It a Retinal Issue?
Understanding Eye Issues: Flashing Lights and Visual Disturbances Explained
Eye problems Hello doctor, recently I have been seeing flashes on white walls and it feels like there are many things moving, especially at the edges, which is very noticeable. I am quite scared, and I have seen a doctor but there were no results. The symptoms have persisted for ...
Dr. Gao Pilin Reply:
Hello Mr. Tsai: It is possible that your symptoms are caused by eye fatigue, so you might want to reduce your use of electronic devices for a while. It could also be related to floaters. As for seeing rainbows, if it's not glaucoma, it may be due to eye discharge or dryness....[Read More] Understanding Eye Issues: Flashing Lights and Visual Disturbances Explained
Understanding Visual Disturbances: Dark and Light Stripes in High Myopia
Seeing a striped image with alternating dark and light bands? Hello Doctor: I have high myopia and dry eye syndrome, and I wear glasses with prisms. This week, I experienced two episodes where, while looking at my phone or TV, my vision suddenly showed alternating dark and bright...
Dr. Gao Pilin Reply:
Hello Yuna: If the symptoms improve after blinking, it is likely not a physical injury. It may be caused by something similar to vitreous floaters or foreign bodies or secretions on the cornea. The two small black spots moving could also resemble the condition of floaters. Theref...[Read More] Understanding Visual Disturbances: Dark and Light Stripes in High Myopia
Understanding Visual Disturbances: Rainbow Halos and Pulsating Shadows
After looking at a light source, there are black spots in vision, and next to the light source, there are rainbow-like colors. The black spots seem to pulse in sync with the heartbeat? Hello, doctor. I previously used to apply cycloplegic drops for my myopia, with a prescription ...
Dr. Cai Wenyuan Reply:
Observe the symptoms, and if they persist, seek medical attention.[Read More] Understanding Visual Disturbances: Rainbow Halos and Pulsating Shadows
Understanding Brief Blackouts and Visual Disturbances in High Myopia
The eyes may briefly flash black for a moment (a few seconds), and when the eyes are unfocused, there is a sensation of something moving in the periphery? I have high myopia (left eye 650 / right eye 800) and experience floaters. Almost every weekday, I have a brief moment (0.x s...
Dr. He Jianxian Reply:
Hello, if all the tests are normal, I cannot provide a better explanation. Theoretically, there should be no issues. Director He Jianxian, Ophthalmology, Nantou Hospital.[Read More] Understanding Brief Blackouts and Visual Disturbances in High Myopia
Understanding Brief Blackouts and Visual Disturbances in Your Eyes
The eyes may flash black for a moment (for a few seconds), and when the eyes are unfocused, there is a sensation of something moving in the surrounding area? Hello Doctor, I am 42 years old. My left eye is -6.50 and my right eye is -8.00. Symptoms: 1. I almost experience brief fl...
Dr. Gao Pilin Reply:
Hello Jason: Based on your description and the fact that so many doctors have examined you, there should be no issues, and it is likely not a case of retinal detachment. These phenomena are probably a type of floaters.[Read More] Understanding Brief Blackouts and Visual Disturbances in Your Eyes
Understanding Eye Drops: Differences, Effects, and Treatment for Styes
Eye drop issues related to styes? Hello, Doctor. I have a few questions I would like to ask you: 1. What are the differences and effects between Shilongyan eye drops and Safin eye drops? 2. Besides temporarily constricting blood vessels, what other anti-inflammatory or additio...
Dr. Gao Pilin Reply:
Hello Jojo: 1. Please refer to the following links: Shilong https://bit.ly/3hocboP and Safin https://bit.ly/2YMpFEv. Safin contains Tetrahydrozoline Hydrochloride, and its effects are described in the links above. 2. Tetrahydrozoline Hydrochloride has vasoconstrictive propert...[Read More] Understanding Eye Drops: Differences, Effects, and Treatment for Styes
Understanding Visual Disturbances: Cross Shapes and High Myopia Concerns
Eye problems Hello doctor, when I look at a wallpaper with square patterns (composed of many diamond-shaped blocks), I also see many cross shapes overlaying the square patterns. What could be the reason for this? I have high myopia and floaters, and a month ago I had a retinal ex...
Dr. Gao Pilin Reply:
Hello Ms. Wu: This is likely a type of visual illusion caused by a combination of many square shapes (similar to a naked-eye 3D effect) and should not be a cause for concern. It is unrelated to retinal thinning.[Read More] Understanding Visual Disturbances: Cross Shapes and High Myopia Concerns
Post-Retinal Surgery: Understanding Visual Disturbances and Symptoms
Post-retinal surgery Hello, doctor. Three weeks ago, I underwent retinal laser treatment in both eyes. Postoperatively, I occasionally see what appear to be light shadows. Each time, I think it's something like a bug, but it turns out not to be. This is not a flash; it’s not...
Dr. Gao Pilin Reply:
Hello, the sensation of flashes is likely due to vitreous traction on the retina. If examinations have shown no issues, you can feel reassured. The eye discomfort may need further evaluation, as it could be related to allergic inflammation.[Read More] Post-Retinal Surgery: Understanding Visual Disturbances and Symptoms
Sudden Vision Change: Everything Appears Green - What Could It Mean?
Suddenly, I can only see green with both eyes? Hello, doctor. I am a farm operator. Today, while I was routinely spraying a disinfectant solution made of iodine and water on the containers for my crops outdoors, I suddenly experienced a visual disturbance where everything I saw a...
Dr. Gao Pilin Reply:
Hello Mr. Jan: This could possibly be a temporary episode of visual impairment. It is advisable to first consult an ophthalmologist to rule out any eye diseases, and then proceed to a cardiology specialist for further evaluation. Information from the internet should only be consi...[Read More] Sudden Vision Change: Everything Appears Green - What Could It Mean?
Understanding Astigmatism: Does Excessive Screen Time Affect Your Vision?
Astigmatism issues? Regarding your follow-up question from yesterday about experiencing blurred vision after prolonged use of electronic devices, you mentioned that the doctor at the clinic noted that your astigmatism has increased significantly compared to four months ago. You a...
Dr. Gao Pilin Reply:
Hello: The posture and angle of reading can also affect astigmatism. If you look at a book or a mobile device with your eyes down but without lowering your head, it can cause pressure on the cornea, leading to astigmatism. Squinting to see things can also increase astigmatism. Ho...[Read More] Understanding Astigmatism: Does Excessive Screen Time Affect Your Vision?
Is It Flashing? Understanding Visual Disturbances After Darkness
Is this a flash? After spending some time in a dark place, such as waking up in a dark room and then looking at dark objects in a bright area, I experience a flickering sensation. This also occurs when I close my eyes, but it lasts only for a short time and only happens after bei...
Dr. He Jianxian Reply:
What you refer to as "flashes" should be understood as photopsia. Photopsia refers to the sudden appearance of sensations resembling flashes of light when the eyes move, indicating that the retina has suddenly been pulled. This is entirely different from the symptoms yo...[Read More] Is It Flashing? Understanding Visual Disturbances After Darkness
Understanding Visual Disturbances: Light Sensitivity and Afterimages
There is always a residual shadow or afterimage when looking at anything? I have been experiencing persistent dryness in my eyes. During the day, I use preservative-free artificial tears, and before bed, I apply vitamin A ointment. I have had floaters for several years without si...
Dr. Gao Pilin Reply:
Hello DAMY: If you are very sensitive to light and find it uncomfortable to see, in addition to dry eye syndrome, it could also be a sign of presbyopia. If you do not usually wear reading glasses, you might want to give them a try. If you already wear them, it’s important to chec...[Read More] Understanding Visual Disturbances: Light Sensitivity and Afterimages
Understanding Eye Strain: Brightness Changes and Visual Disturbances
Vision becomes glaring? 1. I sometimes notice that the screen suddenly becomes brighter while using the computer. What could be the issue? 2. Occasionally, when I focus on the screen or an object, I see shadows or lines appearing in my peripheral vision, which disappear when I ...
Dr. Gao Pilin Reply:
Hello, Green Tea: 1. When the eyes are fatigued, the pupils may constrict, and when they dilate, they may appear brighter. 2. It could be a case of floaters. 3. If there are no foreign objects in the eye, it is generally not a concern. However, if there is a foreign object ca...[Read More] Understanding Eye Strain: Brightness Changes and Visual Disturbances
Understanding Visual Disturbances: Occasional Blurriness While Reading
Eye issues: occasionally experiencing spots while focusing on a book? When staring at a book, I sometimes notice dots (.) and when driving, I focus on the license plate in front, for example, ABC-123, paying particular attention to the C and 1. The lines sometimes appear and some...
Dr. Cai Wenyuan Reply:
Observe the symptoms, and if they persist, it is recommended to seek medical evaluation.[Read More] Understanding Visual Disturbances: Occasional Blurriness While Reading