Retina, Ophthalmology FAQ - Page 21

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Understanding Eye Focus Issues: Symptoms and Solutions for Clear Vision

Focusing issues with the eyes? Recently, I've noticed that my prescription isn't strong enough, so I'm planning to get new lenses this weekend. However, over the past couple of days, I've experienced some issues when looking at my phone from a normal distance,...


Dr. Gao Pilin Reply:
Hello: Based on your description, you experience blurriness in your vision while wearing glasses, which then returns to clarity. This may be related to eye fatigue, especially if you have been staring at your phone screen for extended periods or using your phone in unsuitable env...

[Read More] Understanding Eye Focus Issues: Symptoms and Solutions for Clear Vision


Understanding Eye Floaters: Causes, Symptoms, and Concerns

Floaters in the eye Since last week, I have been regularly using the eye drops prescribed by my ophthalmologist before bed. The indications state that they are for improving symptoms related to ocular muscle issues. However, I often struggle with insomnia and need to lie down for...


Dr. Gao Pilin Reply:
Hello: Based on your description, seeing a small black dot about the size of a sesame seed with your eyes closed is likely a symptom of floaters. Floaters typically refer to the sensation of seeing small specks or floating objects in your field of vision. These objects may be tin...

[Read More] Understanding Eye Floaters: Causes, Symptoms, and Concerns


Frequent Flashing Lights: Understanding Causes and When to Seek Help

Frequent flashes of light? Most of the flashes of light are caused by vitreous degeneration, which pulls on the retina, and the cause of floaters is also vitreous degeneration. I would like to ask the doctor if these flashes of light will last for a long time. Recently, I have be...


Dr. Gao Pilin Reply:
Hello: The sensation of flashes is typically related to the vitreous body inside the eye, but it can also be a symptom of other eye issues. Common causes include vitreous degeneration, floaters, retinal detachment, or other retinal problems. Sometimes, the flashes may be temporar...

[Read More] Frequent Flashing Lights: Understanding Causes and When to Seek Help


Understanding Glare Around Streetlights: An Eye Health Perspective

Looking at streetlights? Hello, doctor. When I look at streetlights, I feel like the outer ring of the light is radiating a glow.


Dr. Gao Pilin Reply:
Hello: 1. Light Interference: When the eyes are exposed to intense light, the light may reflect, scatter, or interfere within the eye, creating a sensation of glare or halos. 2. Astigmatism: Astigmatism is a condition where the eye cannot properly focus light on the retina, resul...

[Read More] Understanding Glare Around Streetlights: An Eye Health Perspective


Understanding Retinal Thickness: Insights from Eye Examinations

Retinal issues Hello, doctor. I just had a fundus examination, and the doctor mentioned that the peripheral retina is thinner but there are no holes. I would like to ask if different doctors have varying opinions on the thickness of the retina, as previous doctors have said it wa...


Dr. Gao Pilin Reply:
Hello: Yes, different physicians may have varying opinions and methods for evaluating the results of a fundus examination. Each physician has their own expertise and experience, which can lead to differences in their assessment of retinal thickness. Physicians may refer to differ...

[Read More] Understanding Retinal Thickness: Insights from Eye Examinations


Frequent Flashes and Shadows: Understanding Eye Symptoms After Roller Coaster Rides

Frequent flashes and shadows? Hello, doctor! On June 20th, while traveling with my family, I rode some thrilling amusement rides, and at that moment, I felt fine. However, the next day when I got up, I noticed an increase in floaters in my left eye, along with flashes and shadows...


Dr. Cai Wenyuan Reply:
Monitor the situation, and if symptoms worsen, seek medical evaluation.

[Read More] Frequent Flashes and Shadows: Understanding Eye Symptoms After Roller Coaster Rides


Understanding Eye Flashes: Retinal Tears vs. Normal Phenomena

The sensation of closing one's eyes? How can a physician differentiate between flashes from a retinal tear and the physiological phenomenon of floaters? I see a white line moving every time I close my eyes, and I can feel it even after just having an examination.


Dr. Gao Pilin Reply:
Hello: Sometimes it can be difficult to differentiate between these two conditions, but typically, the flashes associated with a retinal tear are more intense and persistent. The best approach is to have an eye doctor examine your eyes. If there is no tear, then the flashes are l...

[Read More] Understanding Eye Flashes: Retinal Tears vs. Normal Phenomena


Understanding Flashing Lights in Vision: Causes and When to Seek Help

Suspected eye flashes? Hello Doctor, I have been experiencing floaters since April. I went to a clinic for a dilated eye exam, and the doctor said there were no issues with my retina. In mid-June, I noticed flashes of light when my eyes were closed. After another dilated eye exam...


Dr. Gao Pilin Reply:
Hello: 1. The sensation you described, similar to a momentary dimming of a light due to unstable voltage followed by a return to normal, may be related to visual flashes. Visual flashes are brief sensations of light that can occur in different parts of the visual system. However,...

[Read More] Understanding Flashing Lights in Vision: Causes and When to Seek Help


Understanding Vision Changes: When to Seek Eye Care for Symptoms

Cataracts, high myopia, and floaters? Following up on question 198091, I feel that my vision is slightly dim in both eyes when looking individually. Should I go to the hospital for further examination? What specific conditions would warrant a hospital visit? During my dilated eye...


Dr. Gao Pilin Reply:
Hello: Darkening of the visual field can be a symptom of various eye or systemic conditions. Here are some possible situations that may lead to darkening of the visual field: 1. Glaucoma: Glaucoma is an eye disease characterized by increased intraocular pressure that damages th...

[Read More] Understanding Vision Changes: When to Seek Eye Care for Symptoms


Understanding Optic Nerve Cupping: Commonality and Risks for Myopia

Optic nerve cupping 1. Is a 50-60% optic nerve cupping considered common? 2. I have a myopia of -5.00 and accidentally hit my eye with my hand yesterday, but it wasn't hard. What is the likelihood of a retinal tear in this situation? I haven't seen any flashes of light ...


Dr. Gao Pilin Reply:
Hello: 1. The degree of optic nerve cupping can vary significantly, with a cupping of 50% to 60% being considered relatively large to some extent. The deep cupping of the optic disc may be caused by elevated intraocular pressure, glaucoma, or other optic nerve diseases. According...

[Read More] Understanding Optic Nerve Cupping: Commonality and Risks for Myopia


Understanding Visual Shadows: Are They Normal with Floaters?

Questions about shadows in the vision and glaucoma? I have floaters and discovered a retinal tear which has been treated. During my follow-up appointment in early June, my retina was checked and found to be fine. However, about a week after the appointment, I noticed that in a fi...


Dr. Gao Pilin Reply:
Hello: The appearance of shadowy spots resembling visual afterimages after retinal laser surgery may be related to the surgical process and recovery period. Retinal laser surgery is a treatment method for retinal diseases that can cause some temporary visual changes. After retina...

[Read More] Understanding Visual Shadows: Are They Normal with Floaters?


Understanding Retinal Tears: Symptoms and What to Expect

Retinal tear Doctor, is the flash from a retinal tear just a very bright flash that appears in front of my eyes? I'm not sure if I have floaters and am sensitive to light, but I keep seeing flashes. However, every time I get checked, the doctor says everything is fine. Yet t...


Dr. Gao Pilin Reply:
Hello: This type of flashing may persist, or it may gradually diminish or disappear. The doctor has examined you and found no issues, so you should feel reassured. If there are no changes afterward, you can have a check-up every six months. If there are any changes, regardless of...

[Read More] Understanding Retinal Tears: Symptoms and What to Expect


Sudden Increase in Myopia: Causes and Concerns Explained

Sudden increase in myopia? Hello, Doctor. A few days ago, I suddenly felt something unusual with my eyes while looking at my phone. I experienced a similar situation about a month ago. After visiting an ophthalmologist, I found out that my vision had worsened by approximately 50 ...


Dr. Gao Pilin Reply:
Hello: 1. A brain tumor pressing on the optic nerve may cause vision problems, but this typically occurs when the tumor is relatively large or the pressure is significant. Your previous head CT scan did not show any abnormalities, which is a good indicator for ruling out obviou...

[Read More] Sudden Increase in Myopia: Causes and Concerns Explained


Post-Retinal Detachment Surgery Recovery: What to Expect

Recovery after retinal detachment surgery? I underwent a left eye retinal tear detachment surgery with SF6 gas injection and laser repair three weeks ago. The doctor stated that there are no signs of recurrence, and the reattachment status is normal. I need to tilt my head to the...


Dr. He Jianxian Reply:
Hello Ms. ShinyV: 1. The overall assessment of the vitreous opacities should wait until the gas dissipates. 2. The main issue with gas tamponade is the increased risk of cataract formation, which is greater the longer the gas remains. 3. Sometimes, laser treatment can be chal...

[Read More] Post-Retinal Detachment Surgery Recovery: What to Expect


Understanding Visual Disturbances: Why Do I See Ghost Images on White Text?

Recently, when I look at white text on a black background, I see something that resembles a shadow or ghosting effect? Hello Doctor: Last week, I felt something unusual with my eyes. In the morning, I noticed my vision was foggy, and it took about ten minutes to return to normal....


Dr. He Jianxian Reply:
Hello, Miss Yu: Since I have not encountered similar patients in clinical practice, I am unable to provide further advice. As you have already visited two ophthalmology clinics, if you still have concerns, it would be more reassuring to go directly to a larger hospital for an exa...

[Read More] Understanding Visual Disturbances: Why Do I See Ghost Images on White Text?


Understanding Dark Shadows in Vision: Signs of Retinal Detachment?

Eye floaters Hello doctor, I have a history of floaters and dry eye syndrome. Recently, I've noticed that occasionally in the kitchen or in my room, my vision suddenly dims for a moment. I would like to ask if this could be a precursor to retinal detachment? Thank you.


Dr. He Jianxian Reply:
Hello Ms. Anonymous: Your description is not very clear. If this dark spot appears like a flash and lasts for several seconds, you should be cautious about the possibility of a blood clot. If this is the case, I recommend going to the hospital for an examination, not only with an...

[Read More] Understanding Dark Shadows in Vision: Signs of Retinal Detachment?


Understanding the Red Circle Phenomenon When Closing Your Eyes

Closed-eye circles Hello, doctor. When I close my eyes, I often see a red circle that slowly moves to the center and then disappears, or it gradually shrinks and fades away. What is this phenomenon?


Dr. Gao Pilin Reply:
Hello: This phenomenon is usually caused by light stimulation and the response of the visual system. Even with your eyes closed, your eyes may still receive some external light, leading to certain perceptions in the visual system. Additionally, when your eyes are closed, your eye...

[Read More] Understanding the Red Circle Phenomenon When Closing Your Eyes


Can Fish Oil Help with Vitreous Degeneration in Myopia?

Vitreous degeneration and the use of fish oil? Hello, I am a person with high myopia and my vitreous body has started to degenerate. Occasionally, I experience slight flashes of light in dark places or when I close my eyes. The doctor has examined my retina and found no issues, r...


Dr. Gao Pilin Reply:
Hello: Fish oil is a dietary supplement rich in Omega-3 fatty acids, and some studies suggest it may be beneficial for eye health. Omega-3 fatty acids are believed to have a protective effect on the retina and other structures of the eye, so it can be taken according to the instr...

[Read More] Can Fish Oil Help with Vitreous Degeneration in Myopia?


Is Bleeding After Laser Eye Surgery Normal? Common Concerns Explained

Is it normal to have bleeding issues after laser surgery? Hello Doctor, after the first laser surgery, I experienced bleeding (with streaks of blood that appear blurred in between). During my second follow-up visit, another laser surgery was performed, and the doctor prescribed o...


Dr. Gao Pilin Reply:
Hello: 1. Bleeding after laser surgery is not experienced by everyone. While bleeding can be a common side effect of the procedure, its frequency and severity can vary based on individual circumstances and the type of surgery performed. 2. The presence of blood streaks after ...

[Read More] Is Bleeding After Laser Eye Surgery Normal? Common Concerns Explained


Understanding Floaters: Causes, Concerns, and Eye Care Tips

Floaters-related conditions I have high myopia (around -7.00 to -7.50) and about a month ago, I noticed an increase in floaters, so I went to see a doctor. After an examination, they said there was no significant issue and prescribed artificial tears for me. Due to work-related r...


Dr. Gao Pilin Reply:
Hello: Floaters are typically caused by intraocular floaters that cast shadows on the retina or lens, resulting in the appearance of floaters. They are more common in individuals with high myopia, but they are usually harmless. However, if you notice an increase in floaters or if...

[Read More] Understanding Floaters: Causes, Concerns, and Eye Care Tips


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