Retina, Ophthalmology FAQ - Page 24

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Distorted Vision: Should I Revisit My Eye Doctor for High Myopia?

The tiles appear to have a distorted grid pattern? I feel like the tiles appear distorted, but the grid pattern seems fine. I'm not sure if this is caused by my lenses. I had a dilated eye exam in early April, and the doctor mentioned that the examination could only reveal a...


Dr. Gao Pilin Reply:
Hello: If you perceive a distortion in the tiles but there are no issues with the grid pattern, this may be related to your visual condition rather than the lenses themselves. During a dilated eye exam, the physician may not be able to fully assess the entire state of the eye, es...

[Read More] Distorted Vision: Should I Revisit My Eye Doctor for High Myopia?


Is It Normal to See Blood in Eye Discharge After Retinal Detachment Surgery?

Post-retinal detachment surgery Hello, Director Tsai. I underwent retinal detachment surgery on May 12, and today is the third day post-operation. Each time I clean the discharge (ocular oil), there is a small amount of blood mixed in. Is this normal? Thank you. 🙏


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

[Read More] Is It Normal to See Blood in Eye Discharge After Retinal Detachment Surgery?


Understanding Flashing Lights in Vision: When to Seek Eye Care

Suspected photopsia Hello, Doctor. I have a question I would like to ask. 1. I have been experiencing flashes since November of last year. I went for an examination in January, and the doctor said there was no issue. Recently, the flashes stopped, which made me very happy. Howe...


Dr. Gao Pilin Reply:
Hello: 1. The symptoms you described may be related to vitreous liquefaction, which occurs as we age when the proteins within the vitreous humor gradually degenerate and condense, causing the vitreous to become more liquid and resulting in various visual symptoms, including photo...

[Read More] Understanding Flashing Lights in Vision: When to Seek Eye Care


Importance of Regular Eye Exams: Understanding Procedures and Concerns

Regular eye examinations? Hello, Doctor. I have approximately 700 degrees of myopia, some mild presbyopia, and floaters. Since the year before last, I have been going to an ophthalmology clinic for regular check-ups every year. Each time, I undergo vision tests, intraocular press...


Dr. Gao Pilin Reply:
Hello: Turning off the lights to examine the fundus can make it easier for ophthalmologists to observe the details of the retina, but whether the lights are on or off usually does not significantly affect the examination results. This is because ophthalmologists typically use spe...

[Read More] Importance of Regular Eye Exams: Understanding Procedures and Concerns


Understanding Vitreous Degeneration: Symptoms, Duration, and When to Seek Help

Vitreous degeneration Since early May, I have been experiencing flashes and shadows in my left eye, especially in dimly lit areas. I underwent a dilated eye exam at the clinic, and the doctor stated that there are no issues with the retina, attributing the symptoms to vitreous de...


Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, it could be caused by vitreous floaters or vitreous detachment. The vitreous is the gel-like substance that fills the eye and helps focus light onto the retina, so its clarity significantly affects vision. When there are vitreous floate...

[Read More] Understanding Vitreous Degeneration: Symptoms, Duration, and When to Seek Help


Understanding Eye Discomfort: Black Spots and Floaters Explained

I see a small black dot when I blink my left eye? I have a few questions after being diagnosed recently and experiencing discomfort in my eyes, which feel like they are overworked. 1. My left eye has been blinking and I notice a small dark spot when looking at a white wall, but I...


Dr. Gao Pilin Reply:
Hello: 1. Overuse of the eyes can lead to eye fatigue and visual strain, which is a common phenomenon. The dark spots you described may be a temporary visual disturbance caused by visual fatigue. If your symptoms are only temporary and do not occur when looking at other objects, ...

[Read More] Understanding Eye Discomfort: Black Spots and Floaters Explained


Potential Eye Damage from Repeated Close Flash Photography

The flash has been directed at the eyes more than twenty times? Tonight, I wanted to use my phone's flash to take pictures inside my nostrils. However, I inadvertently took close-up shots of my eyes with the flash [within 10 centimeters of my eyes] as many as 25 times in und...


Dr. Gao Pilin Reply:
Hello: Based on your description, your eyes have returned to normal, and there is no ongoing discomfort, so you don't need to worry about losing your vision, and there should be no lasting effects. However, to ensure your eye health, it is recommended that you monitor your c...

[Read More] Potential Eye Damage from Repeated Close Flash Photography


Understanding Floaters and Flashes: Are They Related to Neurological Issues?

Floaters and flashes? Hello, doctor. Last month, I went to the hospital for a dilated eye exam due to floaters. The retina was normal, but I occasionally experience flashes of light, and in brighter conditions at night, I see rhythmic flashes that do not sync with my heartbeat. C...


Dr. Gao Pilin Reply:
Hello: Flashing vision may be caused by issues with the vitreous body or retina in the eye. Floaters are typically due to proteins or fibrous objects floating in the vitreous humor, which can create a sensation of flashes or flickering as they move through the field of vision. Ex...

[Read More] Understanding Floaters and Flashes: Are They Related to Neurological Issues?


Temporary Black Shadows in Vision: Sunlight Effects or Eye Issues?

A dark shadow may appear in areas with strong sunlight? I have many floaters in my left eye, but I was examined by a doctor last week who confirmed that my retina is fine. However, recently, while at the beach and in the park, I noticed a shadow that suddenly appears in the cente...


Dr. He Jianxian Reply:
Hello, Xiaomiao: The strong light at the beach may have caused a visual afterimage, as subsequent images tend to disappear. Therefore, it is likely not a pathological issue. However, if you still have concerns, it is advisable to have another examination by an ophthalmologist. Dr...

[Read More] Temporary Black Shadows in Vision: Sunlight Effects or Eye Issues?


Post-Retinal Detachment Surgery: Understanding Scleral Buckling Pain and Distortion

Scleral issues after retinal detachment surgery? I underwent scleral buckle surgery due to retinal detachment in my left eye. It has been almost two weeks since the surgery, and I have recently noticed that my left eye experiences pain when focusing, and some areas of my vision s...


Dr. He Jianxian Reply:
Hello Mr. A: After retinal detachment surgery, some conditions may have a longer recovery period, even up to six months. Please be patient during the recovery phase. Dr. Ho Chien-Hsien, Ophthalmology Department, Nantou Hospital.

[Read More] Post-Retinal Detachment Surgery: Understanding Scleral Buckling Pain and Distortion


Overcoming the Fear of Retinal Detachment: Common Concerns and Symptoms

Fear of retinal detachment? Last year, I sought medical attention due to seeing floaters in my vision, and upon examination, a retinal tear was discovered in my right eye. It was successfully treated with laser therapy and has healed well. However, since then, I have been fearful...


Dr. He Jianxian Reply:
Hello, Anonymous: Since you regularly undergo dilated fundus examinations, you don't need to be overly anxious about retinal detachment. The related precursor symptoms include a sudden increase in floaters or frequent occurrences of "flashes" in your vision. If you...

[Read More] Overcoming the Fear of Retinal Detachment: Common Concerns and Symptoms


Understanding Post-Surgery Eye Issues: Redness After Retinal Detachment and Cataract Surgery

Retinal detachment + cataract Hello doctor, I had retinal detachment surgery on my left eye, followed by cataract surgery a few months later. It's been nearly six months since the surgeries, and I have been using eye drops prescribed by my doctor for lowering intraocular pre...


Dr. He Jianxian Reply:
Hello Ms. Yu: Redness in the eyes is primarily a response to discomfort in the eyes, and the underlying causes can vary. Simple dry eyes can also lead to this reaction. If you are concerned about elevated intraocular pressure at that moment, it is advisable not to apply any medic...

[Read More] Understanding Post-Surgery Eye Issues: Redness After Retinal Detachment and Cataract Surgery


Dealing with Eye Pain When Moving Your Eyes: Causes and Solutions

Eye pain when moving the eyes? I was recently diagnosed, but my condition has improved significantly. However, I still feel something unusual with my eyes. Since the diagnosis, I experience pain when looking to the left or right. How should I address this situation?


Dr. Gao Pilin Reply:
Hello: Pain during eye movement can be caused by various reasons. Here are some possible causes: 1. Orbital Myositis: Orbital myositis is a condition characterized by inflammation of the eye muscles, usually caused by viral or bacterial infections. This can lead to pain and disco...

[Read More] Dealing with Eye Pain When Moving Your Eyes: Causes and Solutions


Understanding Eye Flashes: Causes and When to Seek Help

Hello, doctor. I would like to ask about experiencing flashes of light in the eyes? Hello doctor, I would like to ask about an issue I've been experiencing. Sometimes, after looking at my phone too intently or straining my eyes while using it, I notice sudden flashes of ligh...


Dr. Gao Pilin Reply:
Hello: The symptoms you described may be caused by eye issues such as posterior vitreous detachment or vitreous opacities. When you suddenly shift your gaze, the focal point of light in your eyes also changes, which may stimulate the retina or vitreous, leading to a sensation of ...

[Read More] Understanding Eye Flashes: Causes and When to Seek Help


Preventive Laser Surgery for High Myopia: What You Need to Know

Preventive laser surgery I have high myopia and have noticed that upon waking up in the morning, one eye experiences a few minutes of black fog, which then returns to normal. Occasionally, I also see flashes in my vision. After visiting the hospital, the doctor assessed that my r...


Dr. Gao Pilin Reply:
Hello: 1. If the retina is thin and there is a history of high myopia, prophylactic laser treatment is a relatively common therapeutic approach. This is because high myopia increases the risk of retinal detachment, which is a serious visual problem that can even lead to blindness...

[Read More] Preventive Laser Surgery for High Myopia: What You Need to Know


Understanding Zigzag Flashing Lights: Eye Health Insights

Zigzag flashes Hello doctor, I would like to ask, there have been several instances when I walk from sunlight into a room and then look at my phone, I experience a darkening effect, followed by flickering in my vision, and I am unable to focus. The more I try to see details, the ...


Dr. Gao Pilin Reply:
Hello: Based on your description, this situation may be caused by an adaptation issue with your eyes. When you are exposed to bright sunlight outdoors for a period of time, your pupils naturally constrict to regulate the amount of light entering the eyes, protecting the retina fr...

[Read More] Understanding Zigzag Flashing Lights: Eye Health Insights


Understanding Floaters in Children: Causes, Concerns, and Next Steps

Vitreous floaters in children? Hello, Doctor: (I apologize for asking again) My child is around four years old. Last week, we took him for his first vision check-up, and everything regarding his vision was fine. During the process, no dilation was performed, and the doctor used a...


Dr. Gao Pilin Reply:
Hello: 1. Based on the child's description, it may be a symptom of floaters, but other conditions cannot be ruled out. It is advisable to consult an ophthalmologist for further evaluation. 2. To rule out retinoblastoma, dilation may be necessary. However, the likelihood of t...

[Read More] Understanding Floaters in Children: Causes, Concerns, and Next Steps


Understanding High Myopia: Myths, Risks, and Eye Health Concerns

High myopia 1. A previous study from abroad indicated that there is not much correlation between high myopia and glaucoma. Is this true? 2. I have myopia of around -5.00 to -6.00 diopters. My doctor mentioned that my degree of myopia is not very severe and that the degree of peri...


Dr. Gao Pilin Reply:
Hello: 1. Yes, some studies indicate that the association between high myopia and glaucoma is not strong. 2. Your doctor's statement is correct. Generally, the degree of peripheral retinal degeneration is proportional to the level of myopia, so if your myopia is not severe, ...

[Read More] Understanding High Myopia: Myths, Risks, and Eye Health Concerns


Understanding Flashing Lights in Vision: When to Seek Medical Attention

The appearance of lightning-like flashes in the eyes? Hello Doctor, this morning when I drove out of the parking lot (from dark to bright), I suddenly noticed a small lightning-like image in my left eye. I could still see it with my eyes closed in the dark, and then I put on sung...


Dr. Gao Pilin Reply:
Hello: Based on your description, you may be experiencing visual persistence caused by intense light stimulation. This phenomenon typically occurs after a sudden transition from a dark environment to a bright one or exposure to strong light sources such as flash photography, resu...

[Read More] Understanding Flashing Lights in Vision: When to Seek Medical Attention


Can Wide-Angle Imaging Check Retina Without Dilation for High Myopia?

Can a retinal examination be performed without dilation using the fundus camera? Due to light sensitivity, I find car headlights very bright at night, and I have a history of high intraocular pressure, which makes me unsuitable for dilated fundus examinations. 1. I would like to ...


Dr. Cai Wenyuan Reply:
Non-mydriatic fundus photography is generally used for screening diabetic retinopathy. However, to examine the retina thoroughly, dilation is still necessary.

[Read More] Can Wide-Angle Imaging Check Retina Without Dilation for High Myopia?


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