Understanding Vitreous Opacity: Concerns and Management for Young Adults
Vitreous opacities Hello Doctor: I would like to understand vitreous floaters in my eyes. My right eye has a prescription of -4.75 and my left eye -5.25. I just turned 18 at the end of last year, but I went to a clinic in the hospital for a dilated eye exam, and they said I have ...
Dr. Gao Pilin Reply:
Hello: Vitreous floaters are a common eye symptom. The vitreous is a gel-like substance that fills the interior of the eyeball and helps maintain its shape. As we age, proteins in the vitreous gradually clump together to form small particles, which are one of the main causes of v...[Read More] Understanding Vitreous Opacity: Concerns and Management for Young Adults
Understanding Visual Disturbances When Eyes Are Closed
The sensation of closing the eyes? Hello, doctor. When I close my eyes, I often feel something strange; sometimes I see white lines or flashes of light. I have had a fundus examination, and everything was normal, but this situation still persists.
Dr. Gao Pilin Reply:
Hello: The possible reasons are as follows: 1. Flashing Phenomena: Flashes may be caused by the movement of the vitreous fluid within the eye or its detachment from the retina. They may be more noticeable when the eyes move or when closing the eyes. A fundoscopic examination may ...[Read More] Understanding Visual Disturbances When Eyes Are Closed
Common Eye Concerns: Sunglasses, Light Sensitivity, and Vision Health
Regarding some questions and health education inquiries? Hello, doctor. I have some questions I would like to ask. 1) Previously, my cornea was scratched by an ingrown eyelash, which made me very sensitive to bright light. After that, I got prescription sunglasses (dark brown)....
Dr. Gao Pilin Reply:
Hello: 1) Wearing sunglasses for extended periods may have some effects on vision and eye health. Sunglasses can reduce the stimulation from bright light, but if you wear them for long periods indoors or in dimly lit areas, it may cause issues with visual adaptation. Additionally...[Read More] Common Eye Concerns: Sunglasses, Light Sensitivity, and Vision Health
Do You Need New Glasses for Increased Myopia and Astigmatism?
If there is an increase in prescription strength and astigmatism, is it necessary to get new glasses? Hello Doctor: I would like to inquire about my current vision measurements. My right eye is -3.00 diopters and my left eye is -2.25 diopters, with astigmatism of -0.75 in both ey...
Dr. Gao Pilin Reply:
Hello: Based on the changes in your prescription, your right eye's myopia has increased from -2.75 to -3.00, while your left eye has increased from -1.75 to -2.25. The astigmatism in your right eye remains at -0.75, while the left eye has increased from -0.50 to -0.75. Such ...[Read More] Do You Need New Glasses for Increased Myopia and Astigmatism?
Understanding Visual Disturbances: What Causes Pulsating Vision When Sitting?
When sitting down, there is an area near the center of my vision that appears to flicker (or vibrate)? Hello Doctor: When I sit low on the toilet, I notice a slight jumping (trembling) sensation in a small area near the center of my vision, about one-tenth of my visual field. The...
Dr. Gao Pilin Reply:
Hello: If the frequency is the same as the heartbeat, the most common issue could be related to vascular problems. It may even be a cerebrovascular issue. I recommend that you get it checked out.[Read More] Understanding Visual Disturbances: What Causes Pulsating Vision When Sitting?
Understanding Glare and Its Impact on Eye Health: When to Seek Further Evaluation
Glare in the eyes Hello, doctor. I would like to ask about my prescription, which is -5.75 for myopia, -7.25 for astigmatism, and -2.50 for astigmatism in both eyes. Recently, I changed jobs and my new workplace has a lot of dust. After working there for a while, I noticed that I...
Dr. He Jianxian Reply:
Dry eye syndrome can present with varying symptoms depending on environmental conditions and may also lead to blurred vision. Your work environment, which has a lot of dust, could contribute to similar issues. It is difficult to determine if your visual disturbances are caused by...[Read More] Understanding Glare and Its Impact on Eye Health: When to Seek Further Evaluation
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
Understanding Visual Disturbances: Causes and Recommended Tests
Visual impairment Hello Doctor, I first experienced symptoms around the second year of junior high school, and it has been nearly ten years now. The frequency of episodes is not high, approximately seven times over the past decade. Initially, I noticed black spots in my vision th...
Dr. He Jianxian Reply:
Hello Mr. Egg: Your condition may be a precursor symptom of a migraine, starting with visual disturbances. The visual anomalies can vary from person to person and typically resolve on their own after about half an hour. Following this, you may experience headaches or nausea, alth...[Read More] Understanding Visual Disturbances: Causes and Recommended Tests
Understanding Visual Disturbances: Causes and Recommended Tests
Visual impairment Hello Doctor, I first experienced symptoms around the second year of junior high school, and it has been nearly ten years now. The frequency of episodes is not high, approximately seven times over the past decade. Initially, I noticed black spots in my vision th...
Dr. He Jianxian Reply:
Hello Mr. Egg: Your condition may be a precursor symptom of a migraine, starting with visual disturbances. The visual disturbances can vary from person to person and typically resolve on their own after about half an hour. Following this, you may experience a headache or nausea, ...[Read More] Understanding Visual Disturbances: Causes and Recommended Tests
Understanding Light and Dark Adaptation: When to Worry About Visual Disturbances
Hello, doctor. I would like to inquire about light adaptation and dark adaptation? Hello, doctor. I would like to ask about dark adaptation or light adaptation. I experience flashes of light in my vision, even when my eyes are closed. When I try to focus on objects, everything ar...
Dr. Gao Pilin Reply:
Hello: Based on your description, it is possible that the temporary visual disturbances you are experiencing are due to a disorder of dark adaptation or light adaptation. When you transition from a bright environment to a darker one, or vice versa, your eyes require time to adjus...[Read More] Understanding Light and Dark Adaptation: When to Worry About Visual Disturbances
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.[Read More] Understanding Persistent Eye Flashes: Causes and Concerns
The Impact of Visual Disturbances on Sleep Quality: Understanding Your Symptoms
The presence of bright lights can affect sleep? Hello Doctor: About five months ago, I visited an ophthalmologist due to floaters and was found to have a retinal tear, which was treated with laser therapy. However, I have been experiencing an increase in floaters and have been to...
Dr. Gao Pilin Reply:
Hello: Based on your description, you may be experiencing vitreous floaters or other ocular issues. Since your ophthalmic examination showed no problems, please rest assured and accept this phenomenon. Here are some suggestions that may help alleviate your symptoms: 1. Maintain g...[Read More] The Impact of Visual Disturbances on Sleep Quality: Understanding Your Symptoms
Understanding Eye Floaters: What to Know About Dark Spots and Visual Disturbances
When looking at dark areas or gray-black places, black spots may appear in the vision? Hello, doctor. I do not have myopia, but I have been experiencing floaters for many years. Recently, I have noticed new changes that are different from my usual floaters. Sometimes, a black dot...
Dr. He Jianxian Reply:
Dear Ms. Chang, I apologize, but due to the unusual nature of the symptoms you described, I am unable to provide a response as I have not encountered a similar situation in clinical practice. Sincerely, Director He Jianxian Ophthalmology Department, Nantou Hospital[Read More] Understanding Eye Floaters: What to Know About Dark Spots and Visual Disturbances
Understanding Visual Disturbances: Waves and Curves in Vision
Wavy patterns and arc-like curves appearing at the outer corner of the eye? Hello Doctor: I have myopia of -6.75 diopters in my right eye and -3.50 diopters in my left eye. I work long hours on the computer and have been wearing contact lenses for an extended period. Last month (...
Dr. He Jianxian Reply:
Hello, Water Buffalo: Based on your description, it seems more like a prodromal symptom of a migraine. Although it is referred to as a migraine, it does not necessarily involve a headache; it may only present with aura symptoms such as visual disturbances. These typically last fr...[Read More] Understanding Visual Disturbances: Waves and Curves in Vision
Understanding Nighttime Visual Disturbances in High Myopia Patients
Objects seen in front of you when the lights are turned off at night? Hello Doctor: I have high myopia and have been experiencing floaters in both eyes for over three years. There is liquefaction in the vitreous body, but my retinal examination is normal. When I turn off the ligh...
Dr. Gao Pilin Reply:
Hello: Based on your description, you have high myopia, floaters, and vitreous liquefaction, and you experience the phenomenon of seeing white smoky objects at night. This situation is likely not caused by cataracts. Cataracts are a condition characterized by the clouding of the ...[Read More] Understanding Nighttime Visual Disturbances in High Myopia Patients
Understanding Visual Disturbances: Causes and Recommended Tests
Visual impairment Hello Doctor, I first experienced symptoms around the second year of junior high school, and it has been nearly ten years now. The frequency of episodes is not high, occurring about seven times over the past decade. Initially, I noticed black spots in my vision ...
Dr. He Jianxian Reply:
Hello, your condition seems more like a prodrome of a migraine, just without the accompanying headache. The visual disturbances you are experiencing are caused by abnormal changes in the brain, and there is no issue with your eyes. If you wish to get checked, you can consult a ne...[Read More] Understanding Visual Disturbances: Causes and Recommended Tests
Understanding Unusual Black Spots in Vision: Beyond Floaters and Eye Aging
Seeing black spots that are different from floaters? Hello, doctor. I do not have myopia, but I have been experiencing floaters for about ten years, and dry eye syndrome for nearly the same duration. A few years ago, a doctor mentioned that I have congenital cataracts. Recently, ...
Dr. Gao Pilin Reply:
Hello: The symptoms you described may be related to various eye issues, including vitreous floaters, retinal diseases, and lens problems, among others. Since you have been regularly undergoing fundus examinations at a major hospital and your doctor has confirmed that the structur...[Read More] Understanding Unusual Black Spots in Vision: Beyond Floaters and Eye Aging
Understanding Color Perception Changes in Vision Loss
The colors seen by the eyes are red, blue, and green? Hello, Doctor. I am inquiring on behalf of my mother, who is around 50 years old. She has been experiencing issues with optic nerve degeneration, resulting in blurred vision where she can only perceive light and dark. Recently...
Dr. Gao Pilin Reply:
Hello: You mentioned that your mother is experiencing blurred vision and can only perceive light and dark due to optic nerve degeneration. These symptoms may be related to ophthalmic conditions such as glaucoma, retinitis pigmentosa, or cataracts. As for seeing people in blue, gr...[Read More] Understanding Color Perception Changes in Vision Loss
Understanding Floaters: Are They Physiological or Pathological?
When looking at a white wall, there are many small dots that appear to move? Hello, doctor. Recently, when I look at the sky or a white wall, I see many small black and transparent dots in my right eye (they do not obstruct my vision). They move along with my eye movements. I wou...
Dr. Gao Pilin Reply:
Hello: The phenomenon you described sounds very much like physiological floaters. Floaters refer to changes in the transparent substances in the eye, such as the vitreous humor, leading to the appearance of black, transparent, or other colored spots or lines that move with eye mo...[Read More] Understanding Floaters: Are They Physiological or Pathological?
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...[Read More] Understanding Eye Flashes: Causes, Severity, and When to Seek Help