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
Understanding Floaters: When to Seek Further Eye Care
Monocular floaters? Hello, doctor. I notice that when my eyes are relaxed or when I'm daydreaming, I see a lot more floaters. During my eye examination yesterday, I experienced the same thing while testing my visual field. I mentioned this to the doctor, and when I lie down ...
Dr. Gao Pilin Reply:
Hello: 1. Neurologist: The increase in the appearance of floaters during relaxation or daydreaming may indicate a potential issue within the nervous system. Consulting a neurologist can help determine if there are any neurological disorders or other vision-related problems. 2. Ps...[Read More] Understanding Floaters: When to Seek Further Eye Care
Understanding Floaters: When to Seek Further Eye Care
Monocular floaters? Hello, doctor. I notice that when my eyes are relaxed or when I'm daydreaming, I see a lot more floaters. During my eye exam yesterday, I experienced the same thing while testing my visual field. I mentioned this to the doctor, and when I lie down and day...
Dr. Gao Pilin Reply:
Hello: 1. Neurologist: The increase in the phenomenon of seeing floaters while relaxing or daydreaming may indicate a potential issue with the nervous system. Consulting a neurologist can help determine if there are any neurological disorders or other vision-related problems. 2. ...[Read More] Understanding Floaters: When to Seek Further Eye Care
Understanding Eye Twitching: Causes and Solutions for Better Sleep
Eye twitching Hello, doctor. As soon as I close my eyes, I immediately feel my eyeballs twitching, which has severely affected my sleep. Is this due to excessive neural discharge?
Dr. Gao Pilin Reply:
Hello: This could be caused by various factors, including the possibility of neural hyperexcitability. Neural hyperexcitability is a condition characterized by excessive activity in the nervous system, which may lead to muscle twitching or involuntary movements. However, these sy...[Read More] Understanding Eye Twitching: Causes and Solutions for Better Sleep
Understanding Pupil Dilation Effects During Retinal Exams
Fundus examination using mydriatic agents? Hello, doctor. I would like to ask a couple of questions. Today, I had a retinal examination that involved the use of dilating drops. 1. How long does it typically take for the effects of the dilation to wear off? It has been about 6 h...
Dr. Liang Ce Reply:
Recommendations: 1. Discuss the above situation further with your attending physician. 2. Alternatively, consult with another ophthalmology medical facility. Thank you. Wishing you good health![Read More] Understanding Pupil Dilation Effects During Retinal Exams
How Long Can Viral Conjunctivitis Survive Outside the Body?
Acute conjunctivitis caused by viruses? Hello doctor, may I ask how long the virus causing acute conjunctivitis can survive outside the human body? I have some items that cannot be disinfected with alcohol, so if I leave them for a few days before using them again, is there a ris...
Dr. Gao Pilin Reply:
Hello: If conjunctivitis is caused by a virus, the virus generally has a relatively short survival time outside the human body. The specific survival time depends on the type of virus, environmental conditions (such as temperature and humidity), and the surfaces to which the viru...[Read More] How Long Can Viral Conjunctivitis Survive Outside the Body?
Understanding Black Spots in Vision: Potential Eye Health Concerns
Visual field scotoma Hello Doctor, I am a high school freshman. I have myopia of -7.00 in my left eye and -4.50 in my right eye, and I also experience floaters. Recently, I have noticed a dark spot in the center of my right eye's visual field, which occupies about one-twenti...
Dr. Gao Pilin Reply:
Hello: Macular degeneration and retinal detachment are serious eye conditions, but it is not possible to determine if your symptoms are related to these two diseases based on the information you provided. Macular degeneration typically leads to blurred or lost central vision and ...[Read More] Understanding Black Spots in Vision: Potential Eye Health Concerns
Why Do I Feel Movement When I Close My Eyes? Eye Health Explained
Seeing flashes of light when your eyes are closed? Hello, doctor. Every time I close my eyes, I feel like something is moving, but it doesn't feel like flashing light. It feels more like a broken light bulb.
Dr. Gao Pilin Reply:
Hello: The possible reasons are as follows: 1. Eye fatigue: Prolonged use of the eyes, extended reading, or intense concentration can lead to eye fatigue, resulting in a sensation of movement. 2. Nystagmus: Under normal circumstances, the eyes exhibit subtle movements known as ny...[Read More] Why Do I Feel Movement When I Close My Eyes? Eye Health Explained
Can Cataracts Cause Significant Vision Changes Over Time?
Cataracts can lead to an increase in prescription strength? I would like to ask about my mother. After her chemotherapy, her eyesight has deteriorated, and it has been 5-6 years since the treatment. About 2-3 years ago, her prescription increased from -6.00 diopters by 1-2 diopte...
Dr. Cai Wenyuan Reply:
Cataracts can potentially lead to an increase in prescription strength, but post-surgery, the prescription may be reduced.[Read More] Can Cataracts Cause Significant Vision Changes Over Time?
Post-Retinal Detachment Surgery: Addressing Vision Issues and Dry Eyes
Post-retinal detachment surgery Hello, Doctor. I have a retinal detachment in my left eye with a tear affecting the macula. I underwent scleral buckle surgery, cryotherapy, and gas injection. It has now been five months, and the distortion of objects is not severe, with my vision...
Dr. Gao Pilin Reply:
Hello: 1. Eyeglasses for Vision Improvement: Wearing appropriate eyeglasses may help improve your vision. Due to your retinal detachment and macular damage, your vision may not fully return to normal levels. However, glasses can assist you in seeing objects more clearly within ...[Read More] Post-Retinal Detachment Surgery: Addressing Vision Issues and Dry Eyes
Understanding Floaters: What Do Dark Shadows in Your Vision Mean?
Visual field scotoma Hello, doctor. As explained today, I have floaters in my vision. I am nearsighted with -7.00 in my left eye and -4.50 in my right eye. Recently, I have noticed a dark spot appearing in the center of my right eye's visual field. It's not very large, ...
Dr. Gao Pilin Reply:
Hello: Based on your description, it could be a manifestation of floaters. It is recommended that you undergo a dilated eye examination by an ophthalmologist to rule out any other issues. If everything is normal, then you can simply monitor the situation.[Read More] Understanding Floaters: What Do Dark Shadows in Your Vision Mean?
Post-Cataract Surgery Concerns: Recovery Time and Vision Issues Explained
Postoperative issues after cataract surgery? Hello, Doctor Gao. I have the following four questions regarding post-cataract surgery: 1. Is the recovery time longer after the implantation of a trifocal intraocular lens compared to a monofocal lens? If so, approximately how long ...
Dr. Gao Pilin Reply:
Hello: 1. The recovery time for vision after the implantation of trifocal intraocular lenses varies depending on individual circumstances. Generally, the recovery time may be slightly longer than that for monofocal lenses, as the eyes need to adapt to the trifocal functionality...[Read More] Post-Cataract Surgery Concerns: Recovery Time and Vision Issues Explained
Is a C/D Ratio of 0.5 Dangerous for My Eye Health?
Optic disc comparison I would like to ask if a cup-to-disc ratio (C/D) of 0.5 for the optic nerve head is considered very dangerous. I found online that the normal value is 0.3.
Dr. Gao Pilin Reply:
Hello: The cup-to-disc (C/D) ratio of the optic disc is used to assess the proportion of the cup to the disc, also known as the cup-disc ratio. A normal C/D ratio is typically around 0.3, but this is merely a reference range and not an absolute criterion for judgment. A C/D ratio...[Read More] Is a C/D Ratio of 0.5 Dangerous for My Eye Health?
Understanding Pupil Dilation Effects and Eye Health Concerns After Fundus Exam
Fundus examination using mydriatic agents? Hello, doctor. I would like to ask a couple of questions regarding my recent eye examination where dilating drops were used. 1. How long does it typically take for the effects of dilation to wear off? It has been about 6 hours, and I s...
Dr. Liang Ce Reply:
Recommendations: 1. Discuss the above situation further with your attending physician. 2. Alternatively, consult with another ophthalmology medical facility. Thank you. Wishing you good health![Read More] Understanding Pupil Dilation Effects and Eye Health Concerns After Fundus Exam
Understanding Flashing Lights in Your Vision: Causes and Concerns
Visual flashes Hello, doctor. The flash sensation from a retinal tear is similar to what kind of flash? Recently, my eyes suddenly flash for a moment, but it's mostly lines; the light is not too bad.
Dr. Gao Pilin Reply:
Hello: The sensation of flashes associated with a retinal tear is often described as flickering or flashing, resembling the appearance of lightning or sparks. These flashes are caused by holes or tears in the surface of the retina. The sensation of flashes from a retinal tear is ...[Read More] Understanding Flashing Lights in Your Vision: Causes and Concerns
Post-Cataract Surgery: Addressing Vision Discrepancies and Lens Choices
Post-cataract surgery Hello, Doctor: I have myopia of -10.50 diopters in my right eye and -6.00 diopters in my left eye. I underwent cataract surgery on both eyes within the past two years, with a target of -2.00 diopters for myopia correction. Post-surgery, when viewing objects ...
Dr. Gao Pilin Reply:
Hello: The use of these two types of lenses should not lead to an inability to fuse images. It may be related to the significant difference in your previous myopia and the condition of your retina. This should be discussed further with your attending physician to determine the ca...[Read More] Post-Cataract Surgery: Addressing Vision Discrepancies and Lens Choices
Understanding Vitreous Issues: Symptoms, Causes, and Effects on Vision
Vitreous issues Hello Doctor, when I lie down and look at the ceiling, I see a pattern that resembles a spinning fan. Is this also a type of floaters? Why does it look different from what I usually see in the sky? Can floaters change with posture? Also, does vitreous detachment c...
Dr. Gao Pilin Reply:
Hello: Seeing a rotating image similar to a fan while lying down and looking at the ceiling may be a visual phenomenon known as "spontaneous retinal oscillation," rather than traditional floaters. Spontaneous retinal oscillation is a common phenomenon in the visual syst...[Read More] Understanding Vitreous Issues: Symptoms, Causes, and Effects on Vision
Understanding Optic Nerve Cupping: Causes and Implications for Eye Health
Optic nerve cupping 1. My left eye has a cup-to-disc ratio of 0.63 and a cup volume of 0.49, but the optic nerve thickness is normal and similar in both eyes. The doctor said there is no glaucoma. What is the likelihood that this is congenital? 2. To what extent does the optic n...
Dr. Gao Pilin Reply:
Hello: 1. The presence of optic nerve cupping and a larger cup volume does not necessarily indicate glaucoma. Glaucoma is an eye disease characterized by optic nerve damage, typically associated with elevated intraocular pressure. If a physician has ruled out the possibility of g...[Read More] Understanding Optic Nerve Cupping: Causes and Implications for Eye Health
Can You Reuse Makeup After Acute Conjunctivitis?
Acute conjunctivitis Hello Doctor: At first, my eyes were red, and I thought it was just due to wearing contact lenses, so I continued to wear makeup. Later, I went to see a doctor, and they diagnosed me with acute conjunctivitis, which is contagious. I would like to ask if the c...
Dr. Gao Pilin Reply:
Hello: Regarding the cosmetics and brushes you previously used (such as eyeshadow, mascara, etc.), since conjunctivitis is a contagious condition, it is recommended not to use these products until you have fully recovered. Even after recovery, you should exercise caution when usi...[Read More] Can You Reuse Makeup After Acute Conjunctivitis?
Understanding Temporary Vision Loss: Causes and Concerns for Patients
Transient visual field loss Hello Doctor, I am a patient who has undergone scleral buckling surgery on my right eye and laser surgery on my left retina, but that was about ten years ago. I have been consistently returning for check-ups, and each time the results have been very no...
Dr. Gao Pilin Reply:
Hello: Dry eye syndrome is a common eye condition characterized by insufficient moisture and lubrication on the surface of the eye. It can lead to discomfort, pain, or a burning sensation in the eyes, and in severe cases, it may affect vision. However, it should not cause transie...[Read More] Understanding Temporary Vision Loss: Causes and Concerns for Patients