Eye flashes, Ophthalmology FAQ

Understanding Eye Flashes: Risks of Retinal Detachment Explained

Flashes of light in the eyes? Doctor, I would like to ask a couple of questions: 1. I had an OCT and fundus examination at a major hospital on August 16th. The doctor mentioned that my peripheral retina is somewhat thin, but still within normal limits. However, I have been expe...

Dr. Gao Pilin Reply:
Hello: 1. Currently, the sensation you described of something sweeping from one side to the other beneath your eyes is unlikely to be related to retinal detachment. Since the examination results are relatively normal, just monitor any changes. 2. Seeing some light spots while you...

Understanding Eye Flashes: What Does White Light in Vision Mean?

There is a white light in the eye? Hello, doctor: I would like to ask if flashes in the eyes occur at specific points. Recently, when I am about to fall asleep, I feel a white light in front of my eyes, similar to the feeling of lightning flashing in from outside, but not as brig...

Dr. Gao Pilin Reply:
Hello: This phenomenon may be a type of visual perception occurrence, and it is usually not a cause for concern. This situation may be related to the transition of your visual system from a waking state to a sleep state.

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...

Understanding Eye Flashes and Pain: When to Seek Further Medical Help

Flashes of light in the eyes? Hello Doctor, I have two questions I would like to ask. 1. In late April, I experienced floaters and went to a clinic for a dilated eye exam. After the examination, the doctor said my retina was fine and advised me to have regular follow-ups (once ...

Dr. Gao Pilin Reply:
Hello: 1. The phenomenon of flashes may be due to: - Vitreous opacities: The vitreous is a gel-like substance that fills the interior of the eye, which can become cloudy due to aging or other reasons. When light enters the eye, the cloudy vitreous may cause the sensation of...

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 ...

Understanding Persistent Eye Flashes: Causes and Concerns

Bright spots in the eyes for 24 hours? I have been experiencing visual disturbances, such as bright spots, in my eyes for 24 hours. These occur whether my eyes are open or closed. When I move my eyes to the far left or right, I see lightning-like flashes. While lying down, I occa...

Dr. He Jianxian Reply:
Hello, Arden: I apologize, but we have not encountered a case similar to yours in clinical practice, so I am unable to provide a proper response. Dr. He Jianxian, Department of Ophthalmology, Nantou Hospital.

Understanding Eye Flashes: When to Seek Further Examination

Flashes of light in the eyes? I have already visited an ophthalmologist for a dilated eye exam. The doctor mentioned that this exam cannot see everything, only about 90%, but my retina is not detached, and no holes were found. I was advised that if my vision does not become more ...

Dr. Gao Pilin Reply:
Hello: A dilated eye exam can assess the macula, which is the central area of vision and the sharpest part of human eyesight, making it crucial for eye health. If you see flashes of light and your ophthalmologist has performed a dilated exam confirming that your retina is fine, t...

Understanding Eye Flashes: Causes and Concerns for High Myopia Patients

Flashes of light in the eyes? Hello, Doctor. I have high myopia, with both eyes approximately over 900 degrees. I also have a lot of floaters. Last August, I experienced eye pressure and discomfort, along with flashes of white light. I had a fundus examination in October, and the...

Dr. He Jianxian Reply:
Hello Serein: If the retinal examination shows no issues, there generally shouldn't be any major problems. As for why you suddenly experienced a few seconds of darkness or a flash of white light, I apologize for not being able to provide a definitive answer regarding the sit...

Understanding Eye Flashes: Causes, Severity, and When to Seek Help

Flashes of light when closing the eyes? 1. Is the severity and brightness of flashes caused by vitreous traction directly proportional? Does stronger traction lead to more severe flashes? 2. Doctor, when I lie flat, I sometimes see thin lines of light (they are dim and not very ...

Dr. Gao Pilin Reply:
Hello: 1. The severity and brightness of flashes caused by vitreous traction do not necessarily correlate. While generally, greater traction leads to more noticeable retinal stimulation, other factors such as light intensity and the condition of the retina also play a role. 2...

Understanding Eye Flashes and Retinal Degeneration: Your Questions Answered

Flashes of light during blinking and retinal issues? Hello Doctor, I have over 600 degrees of myopia and floaters. A few days ago, I underwent a dilated eye exam, and the doctor said my retina is degenerating. I would like to ask: 1. Today, every time I blink, I see a fixed bri...

Dr. Gao Pilin Reply:
Hello: 1. The spots or flashes you described may be due to changes in the vitreous or retina, which are often caused by retinal or vitreous degeneration. It is advisable to seek a follow-up appointment for a more detailed examination by a physician. 2. Lutein and zeaxanthin can h...

Understanding Eye Flashes: Causes and Concerns for Patients

Flashes of light in the eyes? Hello, Doctor. I currently have floaters. I underwent a dilated eye exam last Monday, and there were no retinal tears. The day after the dilated exam, I started experiencing flashes of light at the edges of my visual field (such as the upper part of ...

Dr. Gao Pilin Reply:
Hello: The sensation of flashes is typically caused by the movement or stimulation of intraocular tissues. Therefore, the flashes you described may be due to the movement of tissues within the vitreous body. Flashes are usually described as white flashes, flickering, or bright sp...

Understanding Eye Flashes: Are They Signs of Vitreous Detachment?

Flashes of light in the eyes? Recently, I have noticed a faint white light at the edges of my vision when I shake my head slightly. Could this be a sign of vitreous detachment? Could it lead to a retinal tear?

Dr. Gao Pilin Reply:
Hello: The appearance of flashes of light in the peripheral vision may be indicative of vitreous detachment, which occurs when the vitreous gel inside the eye separates from the retina at the back of the eye, causing fluid to flow into the space. Vitreous detachment can lead to v...

Understanding Eye Flashes: Signs of Retinal Detachment and What to Expect

Flashes of light in the eyes? 1. When I move my eye from the right to the center, or from the left to the center, I sometimes see a small bright spot that disappears immediately after about a second. Since I have a retinal tear (which has been treated with laser), could this be a...

Dr. He Jianxian Reply:
Hello, Ms. New: 1.2.3. "Photopsia" refers to the visual sensation caused by the retina being subjected to traction or pressure, which typically lasts for just a moment and then disappears. This is not an indication of retinal detachment; it merely signifies that there...

Understanding Eye Flashes: When to Seek Medical Attention

Flashes of light in the eyes? Hello Doctor, I have been experiencing issues with floaters for a long time. Recently, I had an examination and was found to have a hole, which was treated with laser. After the follow-up visit, everything seemed fine. The doctor mentioned that if I ...

Dr. Gao Pilin Reply:
Hello: If you notice an increase and cannot make a judgment on your own, you should get it checked to avoid missing the opportunity for treatment. As for afterimages, it is unlikely that floaters will cause an increase in afterimages.

Understanding Eye Flashes: Causes, Concerns, and Solutions

Flashes in the eyes I apologize for bothering you, Doctor. I have a problem that has been troubling me for nearly a year, and the text might be a bit long. I hope you can help me clarify: About a year ago, I started experiencing a phenomenon in dimly lit places (in my case, usual...

Dr. Gao Pilin Reply:
Hello: This situation is similar to the flashes caused by vitreous traction on the retina. After examination, if there are no holes in the retina, regular check-ups will suffice. There's no need to worry too much.

Are Eye Flashes Normal When Pressing on Your Eyes?

Flashes of light in the eyes? Is it normal to see flashes of light when pressing on the eyes? I noticed this while rubbing my eyes today.

Dr. Gao Pilin Reply:
Hello: Pressing on the eyeball can cause this phenomenon, so avoid rubbing your eyes forcefully.

Understanding Eye Flashes and Blinking Issues: Expert Insights

Flashing and blinking issues? Dear Dr. Gao, I have read many responses regarding vitreous traction on the retina in the e-hospital in Taiwan, and I have a few more questions: 1. Regarding the frequency of flashes: a. What is considered a frequent occurrence of flashes? Is se...

Dr. Gao Pilin Reply:
Hello: (1) 1. Frequent refers to seeing it at any time, or multiple times within a minute. 2. Flashes and floaters are not necessarily related. 3. They are somewhat different. (2) 1. Occasionally blinking should not have any impact on the eyes.

Understanding Eye Flashes: When to Seek Medical Attention

Flashes of light in the eyes? Hello Dr. Gao, I had retinal laser treatment about 6 to 7 years ago. On the morning of October 13th (Thursday), I suddenly noticed a flash of light in my eye, approximately the size of a smartphone, which has not disappeared since. I had a follow-up ...

Dr. Gao Pilin Reply:
Hello: It is advisable to get checked again; being cautious is always better. Inform your physician about your condition, and they will conduct the necessary examinations for you.

Understanding Eye Flashes and Floaters: When to Seek Help

Flashes and floaters in the eyes? Hello, Doctor. I would like to ask some questions regarding my eyes: A few months ago, I had a fundus examination at the hospital, and after the examination, the doctor mentioned that certain areas of my retina are thinner but not concerning. I w...

Dr. He Jianxian Reply:
If there is a condition requiring treatment for a thinner retina, the physician should inform the patient accordingly. As for the presence of colored light spots, they are likely unrelated to glaucoma. Glaucoma testing generally does not require dilation, and the likelihood of yo...

Understanding Eye Flashes: Symptoms and Causes Explained

Flashes of light in the eyes? Hello, doctor. Here's the situation: I have noticed that when I just wake up or am about to fall asleep, I see flashes of light in bright areas, but not in completely dark places. The flashes do not appear in the corners of my eyes; they occur i...

Dr. Gao Pilin Reply:
Hello A: This is more likely to be a visual phenomenon rather than vitreous detachment. The retinal examination showed no issues, so there is no need to worry.

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