Retina, Ophthalmology FAQ

Post-Retinal Detachment Surgery: Travel Tips for a Safe Journey Home

Post-retinal detachment surgery Hello, doctor. After being hospitalized for 4 days following retinal detachment surgery (vitrectomy) and having gas injected, I need to go home. Since my home is quite far from the hospital, it takes about 4 hours by car or I could take a train. Wh...

Dr. He Jianxian Reply:
Generally, it is important to pay attention to whether the physician has requested to maintain a specific head position. If there is such a request, try to maintain the posture as much as possible. Dr. Ho Chien-Hsien, Ophthalmology Department, Nantou Hospital.

Understanding Distorted Vision: Possible Causes Beyond Retinal Holes

Suspected retinal tear? The left eye exhibits distortion at a specific angle (peripheral vision), along with flashes of light during eye movement and residual vision. Both eyes have pre-existing myopia and floaters, while the macula appears normal, and the fundus examination show...

Dr. Gao Pilin Reply:
Hello, the presence of flashes indicates that there is vitreous traction on the retina. As for whether there are any tears, a dilated eye examination is necessary to determine that. If the examination shows no issues, it may simply be due to vitreous degeneration causing traction...

Is Immediate Treatment Necessary for Eye Stroke Causing Double Vision?

Is immediate treatment necessary for double vision due to an eye stroke or embolism? A family member was hospitalized due to a stroke, and later developed double vision. The doctor arranged for an ophthalmological examination, which revealed retinal vascular occlusion and small v...

Dr. Liang Ce Reply:
It is recommended that you discuss the above situation further with your attending physician to determine if any additional examinations are necessary. Thank you, and wishing you good health!

Understanding Eye Flashes: Causes and Concerns for Your Vision

Flashes of light in the eyes? (1) I have noticed that whenever I wake up directly from lying down, I see flickering spots of light in my vision, although they are not very intense and I can only feel them when I close my eyes. Could this be due to the retina being pulled? This ha...

Dr. Gao Pilin Reply:
Hello Mr. Chen: If you are feeling constantly anxious, I recommend that you visit an ophthalmologist for an examination. There should not be any significant issues. It may just be a normal physiological response.

Understanding Floaters: Causes, Concerns, and When to Seek Help

There are many cases of floaters? I recently have been experiencing some issues that I suspect might be related to psychological stress. I had a retinal examination that showed no problems, and usually, when I look at a blue sky or a solid background, I don't notice many flo...

Dr. Gao Pilin Reply:
Hello Mr. Chen: Based on your description, it seems you have floaters. Since the retinal examination showed no issues, there is no need to worry. Typically, floaters are not associated with retinal detachment, so there is no need for excessive concern.

Does High Eye Pressure Cause Increased Floaters?

Vitreous floaters and intraocular pressure? Can high intraocular pressure cause floaters? I have experienced elevated eye pressure for a period of time, and it seems that my floaters have increased as well. However, after examination, there were no signs of glaucoma or retinal is...

Dr. Gao Pilin Reply:
Hello Mr. Chen: There is no specific relationship between elevated intraocular pressure and floaters. After examination, there are no issues, so you can be reassured.

Understanding Black Spots and Vision Issues in Your Right Eye

There are shadows in the right eye and issues with dilation? Last week, I noticed a small shadow in my right eye, but I only see it when looking at a white wall or similar surfaces; otherwise, I don't pay much attention to it. It disappears after a while, but reappears when ...

Dr. Gao Pilin Reply:
Hello Wei: 1. The physician examined the retina and found no issues; the macula is also fine, so it can be monitored. 2. It is likely related to the dilation of the pupils; once the pupils constrict, everything should return to normal.

Understanding Retinal Surgery: Key Questions for High Myopia Patients

Retinal Surgery and Related Procedures Dear Dr. Gao, I have several questions I would like to ask you: 1. I have high myopia, with my right eye at -1825 diopters and my left eye at -1300 diopters. The doctor performed ultra-widefield imaging (out-of-pocket examination) and ind...

Dr. Gao Pilin Reply:
Hello: 1. If the physician determines that surgery is not necessary, it can be monitored. 2. Flashes can occur at any time, and they are more noticeable in dark environments. If there is a significant increase in flashes or the appearance of floaters, an examination is necessary....

Seeing Black Spots in Bright Light: Is it Retinal Detachment?

When the eyes are exposed to bright light, one may experience seeing black spots or areas? Hello doctor, I have floaters in my vision. Recently, when I face the sun or other bright lights, I see a black, web-like flash that appears and then disappears, which is different from the...

Dr. Gao Pilin Reply:
Hello, Xiao Lei: The phenomenon you are experiencing is normal; the net-like appearance you see is likely the fibrous vitreous. It is not related to retinal detachment.

Understanding Nighttime Vision Issues: Glare, Astigmatism, and Pupil Size

Please provide the content you would like me to translate into English? Dear Dr. Gao, Thank you very much for your responses and guidance in articles #183935 and #183927. I have generally understood the content. Below are my interpretations of your replies, and I would like to a...

Dr. Gao Pilin Reply:
Hello, Ah-Hsiang: 1. If the prescription is insufficient, this phenomenon will become more severe. 2. It should be so. 3. Squinting is certainly not good. However, this should be corrected.

Understanding Eye Flashes: Are They Signs of Retinal Detachment?

Appearance of bright spots in the eyes? The appearance of bright spots in the vision could be indicative of retinal detachment, as online sources suggest that seeing flashes of light may be a sign of this condition. However, it could also be due to vitreous traction. In cases of ...

Dr. Gao Pilin Reply:
Hello Mr. Chen: The flashes caused by vitreous traction are typically arc-shaped and not very intense, depending on the extent of the traction. In contrast, flashes associated with retinal detachment may be stronger because the retina itself is already being pulled. If the flashe...

Understanding Vision Issues: Myopia, Astigmatism, and Glare Explained

Follow-up Inquiry #183927 Dear Dr. Gao, Thank you very much for your response and explanation in the consultation regarding inquiry #183927. I will follow your advice and continue to observe. I would like to ask you the following questions: Q1. You mentioned that "it may b...

Dr. Gao Pilin Reply:
Hello, Ah-Hsiang: 1. During the day, the pupils are smaller, so it is less noticeable; at night, when the pupils are larger, this phenomenon occurs. 2. Even with the correct prescription, this can still happen. 3. Glare is caused by scattered light within the eye, which leads to ...

Understanding Visual Afterimages: Causes and Symptoms Explained

Eye floaters Recently, I have noticed that when I close my eyes and then open them, I see an afterimage as if I have been exposed to light. I'm not sure if it's caused by light, but can closing my eyes also create an afterimage? It's not just a blink; I need to kee...

Dr. Gao Pilin Reply:
Hello Mr. Chen: It is normal to see afterimages when light is perceived through closed eyelids, as light can still penetrate the eyelids and reach the retina. This is considered a normal phenomenon.

Understanding Flashing Lights in Vision: Causes and Concerns

The entire visual field feels flickering? Hello Doctor, I have been using my eyes more frequently due to exams recently. A few days ago, I noticed that after turning off the lights at night, my left eye starts to flicker intermittently after a while. It feels like the entire eye ...

Dr. Cai Wenyuan Reply:
Observe the symptoms, and if they persist, seek medical attention.

Understanding Eye Flashes: Symptoms of Retinal Detachment Explained

Flashes of light in the eyes? (1) Can you explain the symptoms of retinal detachment, specifically regarding the flashes of light? What do these flashes look like? Are they like a beam of light, resembling lightning, or do they appear as distorted shapes? Are they straight lines ...

Dr. Gao Pilin Reply:
Hello Mr. Chen: 1. It is usually linear or arc-shaped light. 2. It lasts for a short period of time. 3. It flashes. 4. Not necessarily, it depends on the location and frequency. 5. A check-up will clarify the situation; there's no need to be afraid, as it is usually not a pr...

Understanding Eye Floaters and Flashing Lights in High Myopia Patients

The appearance of large areas of floaters that resemble stains or ink splashes in the field of vision? Hello, Doctor Gao. I am a person with high myopia (850, 950). Since mid-June, I have experienced the issues mentioned above. I went for a fundus examination at the clinic on Jun...

Dr. Gao Pilin Reply:
Hello: This may be a case of extensive floaters, which is why you see a large area obscured. This is caused by vitreous degeneration. If the examination shows no issues, you will have to coexist with it peacefully, and over time, it should gradually improve. Currently, the more p...

Understanding Retinal Detachment: Recovery and Surgical Options

Retinal detachment Hello, two months ago I suddenly experienced a large number of floaters in my right eye. A few days later, I visited an ophthalmologist who diagnosed me with retinal detachment. At that time, my right eye's vision was still normal, and the doctor performed...

Dr. He Jianxian Reply:
The lower visual field defect is caused by retinal detachment. Generally, retinal detachments do not spontaneously reattach, although I have seen rare exceptions in clinical practice where they do reattach on their own. Given your condition, I do not recommend surgical interventi...

Understanding Eye Flashes: Causes, Symptoms, and Relief Strategies

Flashes of light in the eyes? Hello Doctor, my myopia is -7.50 diopters, and I have frequently visited the ophthalmology department for check-ups this month. Currently, there are no issues with my retinal health; however, I have a hole in my left eye that has been treated with la...

Dr. Gao Pilin Reply:
Hello Steven: This type of flashing cannot be alleviated. You can only coexist with it. Over time, it will gradually improve on its own. If the soreness and fatigue cannot be relieved, you may use lubricating eye drops and try applying warm compresses.

Experiencing Flashing Lights with Closed Eyes: What You Need to Know

Flashes of light when closing the eyes? I have floaters, but after examination, my retina is fine. However, just now when I accidentally shook my head a bit too hard with my eyes closed, I suddenly saw a flash of light (in the upper left corner of my left eye, not like lightning ...

Dr. Gao Pilin Reply:
Hello Mr. Chen: It is recommended to have an examination, as flashes are generally harmless. If the examination results are normal, there will be no cause for concern. Flashes may persist, and it is necessary to coexist with them.

Understanding Floaters: Causes, Symptoms, and Treatment Options

Floaters-related conditions (1) What conditions can cause vitreous hemorrhage, leading to the perception of floaters? Can poor vascular health lead to bleeding? (2) I haven't jogged in a long time, and after running just now, I noticed a dark object passing through the cor...

Dr. Gao Pilin Reply:
Hello Mr. Chen: 1. Poor vascular health can lead to bleeding, such as in the retinas of diabetic patients. Blood can leak into the vitreous body, which is not the same as typical floaters. 2. Further observation is recommended to clarify the cause. 3. It may not take long; genera...

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