Macula, Ophthalmology FAQ - Page 21

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Understanding Retinal Tears: Causes, Risks, and Post-Surgery Concerns

Retinal tear Hello Doctor, I have retinal holes in both eyes and have undergone laser treatment for them. However, after the treatment on my right eye (where the original hole seemed a bit large), I developed a small hole next to it within a month during my follow-up visit, so it...


Dr. Gao Pilin Reply:
Hello: The cause of lattice degeneration of the retina is unknown, and it commonly occurs in myopic individuals, not necessarily only in those with high myopia. The use of digital devices (3C) does not cause retinal detachment unless there are existing holes or lesions in the ret...

[Read More] Understanding Retinal Tears: Causes, Risks, and Post-Surgery Concerns


Understanding Eye Pressure: Expert Answers to Common Concerns

Follow-up inquiry #155163 regarding intraocular pressure issues? Dear Dr. Gao, Thank you very much for your detailed response to my inquiry regarding the intraocular pressure issue in "<a href='https://adoctor.tw/article/155163'>#155163 Eye Pressure Consulta...


Dr. Gao Pilin Reply:
Hello, Dr. Gao: 1. Regarding the eye drop "EYEHELP EYE DROPS 0.01% (containing neostigmine methylsulfate 0.1mg)," thank you for providing the medication information leaflet. I have understood its effects and side effects. May I ask if this eye drop contains "stero...

[Read More] Understanding Eye Pressure: Expert Answers to Common Concerns


Understanding Macular Issues: Symptoms, Causes, and Treatment Options

Macular issues 1. Recently, I have noticed that when using the Amsler grid test at a distance of 30 centimeters while focusing on the black dot, sometimes the lines appear distorted, resembling slanted lines or curves that are nearly straight. This phenomenon is quite subtle, and...


Dr. Gao Pilin Reply:
Hello, university student: 1. It is possible that fatigue is the cause; true pathological changes would be more evident and would not recover. There are many illustrative diagrams available online for reference. 2. This indicates that the macular area of the retina is thinner, b...

[Read More] Understanding Macular Issues: Symptoms, Causes, and Treatment Options


Understanding Macular Issues: Distorted Vision and Potential Causes

Macular issues Could the distortion of straight lines that disappears after a while be due to macular edema? In mid-January of this year, I noticed a bright spot in my right eye when I blinked at night. Later, I used an Amsler grid and found a small dark spot in the upper right q...


Dr. He Jianxian Reply:
Hello Mr. A-Nan: Basically, if you have undergone a dilated fundus examination and OCT without any findings, it is likely that there are no significant lesions. As for why you are experiencing distortion in your visual field despite the absence of lesions, I do not have a suitabl...

[Read More] Understanding Macular Issues: Distorted Vision and Potential Causes


Understanding Macular Hole Surgery: Post-Op Concerns and Recovery Tips

Macular degeneration Hello, Doctor. I had surgery for a macular hole 1.5 months ago, and the large bubble has dissipated to only 1/5 of its original size. However, I suddenly noticed many small bubbles appearing near the connection point of the large bubble. Is this normal? I wou...


Dr. Gao Pilin Reply:
Hello, Fen: The presence of small bubbles is likely normal. It's similar to how gas forms many small bubbles when agitated in water. Whether it affects vision depends on the size of the macular hole before surgery and the degree of recovery. To measure it yourself, you shoul...

[Read More] Understanding Macular Hole Surgery: Post-Op Concerns and Recovery Tips


Understanding Degenerative Myopia: Is It a Serious Eye Condition?

Degenerative myopia Hello Doctor: I recently had an eye examination and was diagnosed with myopia of -6.00 in my left eye and -7.50 in my right eye. The fundus imaging of the macula and visual field tests showed no significant issues, except for a previous retinal tear in my left...


Dr. Gao Pilin Reply:
Hello Yizhen: Degenerative myopia refers to myopia that leads to certain retinal changes, such as peripheral thinning or the presence of holes. If the holes have been treated with laser, then regular check-ups are sufficient. If your doctor has not scheduled a follow-up appointme...

[Read More] Understanding Degenerative Myopia: Is It a Serious Eye Condition?


Managing Eye Fatigue: Tips for Relief and Prevention in Screen-Heavy Jobs

Eye fatigue I have been working in a profession that requires long hours in front of a computer screen for two years. Recently, I have noticed that after working for six to seven hours, my right eye starts to become blurry, similar to astigmatism or a smudged vision. However, aft...


Dr. Gao Pilin Reply:
Hello Lin: Prolonged close-up work can lead to eye fatigue, as the ciliary muscles must exert effort to focus on nearby objects. Over time, these muscles become fatigued, resulting in difficulty focusing and blurred vision. Applying heat and massaging the eyeballs can help allevi...

[Read More] Managing Eye Fatigue: Tips for Relief and Prevention in Screen-Heavy Jobs


Essential Eye Care Questions: Understanding Symptoms and Treatments

Eye health issues Hello, Doctor. I have several questions that have been bothering me: 1. After undergoing dilation and having my eyes examined, I feel a slight swelling and a foreign body sensation (somewhat fatigued) in my eyes for two to three days. Is this a normal phenomeno...


Dr. Gao Pilin Reply:
Hello, Xin You: 1. After undergoing dilation and an eye examination, is it normal to feel slight swelling and a foreign body sensation in the eyes for a couple of days? This is not typical. If it persists, you should measure your intraocular pressure and check for other issues. ...

[Read More] Essential Eye Care Questions: Understanding Symptoms and Treatments


Understanding Dark Spots in Vision: Insights on Macular Degeneration

The pinhole version has a shadow? Hello Dr. Gao, I have noticed a significant decrease in vision in my left eye in dark or indoor environments, while my right eye remains clear under the same conditions. Both eyes are clear during the day with good lighting. Today, during a pinh...


Dr. Gao Pilin Reply:
Hello, Little Orange: The black shadow around the pinhole is due to diffraction and some optical phenomena, which is normal and will disappear once removed. In cases of pigmentary retinopathy, vision may be unclear at night; however, your condition may not necessarily indicate th...

[Read More] Understanding Dark Spots in Vision: Insights on Macular Degeneration


Understanding Yellow Shadows in Vision: Causes and Concerns

The appearance of yellowish-blue shadows in the eyes, especially noticeable when closing them? Hello, doctor. I have high myopia and floaters. Recently, I noticed that the color temperature in my eyes is different; my left eye feels darker and has a warmer color tone. When I clos...


Dr. Gao Pilin Reply:
Hello Mr. Hsu: Seeing different colors of light and shadows with your eyes closed is usually a reaction caused by the ongoing activity of nerve cells, and in some cases, it can be a normal visual phenomenon. This is generally considered a harmless response. These symptoms are not...

[Read More] Understanding Yellow Shadows in Vision: Causes and Concerns


Understanding Night Vision Problems: Why Is My Left Eye Blurry Indoors?

Diminished monocular vision in dimly lit areas or indoors? Hello, Doctor: About three months ago, I suddenly noticed that my left eye's vision decreases whenever I am indoors or at night (with streetlights). The dimmer the light, the less I can see, while my right eye remain...


Dr. Gao Pilin Reply:
Hello, Little Orange: If the aforementioned tests do not reveal the cause, it may be necessary to conduct a functional test of the retina. It could possibly be retinitis pigmentosa. I recommend that you visit the retina department at a medical center for a thorough examination. A...

[Read More] Understanding Night Vision Problems: Why Is My Left Eye Blurry Indoors?


Understanding Fixed Black Spots in Vision: Is It Floaters or Something Else?

Fixed black spots that disappear when blinking? Both eyes have high myopia, around 1000 degrees. I have had floaters since high school, and recently I noticed that sometimes my right eye sees a small black dot that is stationary and appears for about two to three seconds. It disa...


Dr. He Jianxian Reply:
Floaters typically move, but the spots you described are fixed, making it difficult to confirm whether they are floaters. I recommend undergoing a comprehensive dilated eye exam to check the retina for any abnormalities. If the retina is normal, there is no need for concern.

[Read More] Understanding Fixed Black Spots in Vision: Is It Floaters or Something Else?


Understanding Common Eye Issues: When to Seek Medical Attention

Eye problems Hello, Doctor. I am highly myopic and would like to ask a few questions. 1. A few days ago, my vision became blurry, and when I closed my left eye, I found that my right eye was completely blurry as well. It returned to normal after several seconds. Should I seek m...


Dr. Gao Pilin Reply:
Hello, 20-year-old student: 1. A few days ago, I experienced blurred vision, and when I closed my left eye, I found that my right eye was completely blurry. It recovered after several seconds. Should I seek medical attention? It could be caused by fatigue leading to slower eye a...

[Read More] Understanding Common Eye Issues: When to Seek Medical Attention


Does Blue Light Really Cause Macular Degeneration?

Does blue light cause macular degeneration? Doctor, I recently saw in the news that blue light does not cause macular degeneration. Is this true?


Dr. Cai Wenyuan Reply:
There is no clear evidence that blue light causes macular degeneration, but it is still advisable to limit the use of electronic devices and allow your eyes to rest more often.

[Read More] Does Blue Light Really Cause Macular Degeneration?


Understanding Retinal Detachment Risks for High Myopia Patients

Retinal issues I would like to ask the doctor: 1. For someone who works long hours on a computer and has a refractive error of over 1000 diopters in both eyes without dilation, does the risk of retinal detachment increase with age? 2. Sometimes I feel that my vision is not as cle...


Dr. Gao Pilin Reply:
Hello HANK: 1. If the retina is healthy, it will not occur. 2. Prolonged near vision followed by sudden distance vision can sometimes lead to blurred vision due to the ciliary muscle's inability to adjust. 3. The incidence of retinal detachment in the general population is o...

[Read More] Understanding Retinal Detachment Risks for High Myopia Patients


Understanding Black Shadows in Vision: Causes and When to Seek Help

Blinking shadows Hello, last night when I turned off the lights to go to sleep, I noticed a black afterimage in the center of my vision when I blinked (similar to the brief afterimage you see after looking at a bright light, and it occurs in both eyes, circular in shape). It grad...


Dr. Gao Pilin Reply:
Hello, college student: It would be best to have your condition checked for peace of mind. If it is not floaters, it may be a retinal issue. However, it should be harmless. The ophthalmology department at Puzi Hospital in Taiwan is open on Monday, Tuesday, Thursday, and Friday mo...

[Read More] Understanding Black Shadows in Vision: Causes and When to Seek Help


Understanding Retinal Detachment: Recovery, Risks, and Precautions

Retinal detachment Dear Doctor: 1. I underwent scleral buckle and vitrectomy surgery for a left retinal detachment in late August 2019. Currently, I feel that the light sensitivity in my left eye is diminished. How long might it take for this condition to improve? 2. After un...


Dr. He Jianxian Reply:
Hello, 1. This phenomenon varies from person to person, and it is difficult to determine the exact recovery time. 2. Clinically, some patients do develop glaucoma after undergoing retinal detachment surgery, while the occurrence of macular degeneration is less certain. 3. Excessi...

[Read More] Understanding Retinal Detachment: Recovery, Risks, and Precautions


Understanding Optic Nerve and Retina Thinning in High Myopia

Optic nerve & retina Hello Doctor: I have high myopia (550, 600). Yesterday, I underwent a routine dilated eye exam (showing retinal thinning, non-patterned degeneration) and also had a fundus scan. The report indicated that the optic nerves in both eyes are thinning, and I n...


Dr. Gao Pilin Reply:
Hello May: The thinning of the optic nerve can sometimes be congenital, so a visual field test is necessary to determine if there are any abnormalities. High myopia can lead to thinning of the peripheral retina, but it does not necessarily result in holes or retinal detachment. T...

[Read More] Understanding Optic Nerve and Retina Thinning in High Myopia


Can You Fly After Retinal Detachment Surgery? Key Considerations

Can I fly after retinal detachment surgery? Hello Doctor: A family member underwent retinal detachment surgery (macular degeneration, cataract extraction) on October 13, and special gas was injected. Currently, they need to remain face down. However, they have planned to travel a...


Dr. He Jianxian Reply:
Hello, after retinal detachment surgery, if the retinal attachment status is stable, it is generally safe to fly after 3 to 6 months, when stable attachment is typically achieved. It is recommended to consult with a specialist at an ophthalmology clinic before traveling abroad. T...

[Read More] Can You Fly After Retinal Detachment Surgery? Key Considerations


Understanding Vitreous Degeneration and Its Impact on Vision

Vitreous degeneration & retina Hello Doctor: 1. I have myopia of -5.50 and -6.00, and I've had floaters since I was 23. Recently, I've been experiencing intermittent flashes of light in my right eye. A dilated fundus examination showed no abnormalities, and the do...


Dr. Gao Pilin Reply:
Hello May: 1. As the vitreous slowly detaches from the retina, the pulling sensation will gradually diminish, and the perception of light will improve. 2. When the eyeball turns to the side, it experiences pressure, which can cause the perception of white light; this is normal. 3...

[Read More] Understanding Vitreous Degeneration and Its Impact on Vision


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