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
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
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 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 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
Understanding Visual Phenomena: Green Lines and Lightning Effects with Closed Eyes
Colors After Closing Eyes Hello, doctor. When I close my eyes, I sometimes see a green line that appears but disappears after a while. I would also like to ask if the sensation of seeing flashes of light when my eyes are closed is similar to a sudden line that appears quickly? I ...
Dr. Gao Pilin Reply:
Hello: The sensation of seeing a green line when your eyes are closed may be related to certain physiological phenomena in the visual system. Here are some possible explanations: 1. Even when the eyes are closed, our brain can still perceive changes in light. This may be due to p...[Read More] Understanding Visual Phenomena: Green Lines and Lightning Effects with Closed Eyes
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
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...[Read More] Understanding Eye Flashes and Pain: When to Seek Further Medical Help
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
Managing Eye Allergies, Myopia, and Post-Retinal Laser Surgery Care
Eye allergies, myopia, and retinal laser surgery? Hello, doctor. I have approximately 400 to 500 degrees of myopia in both eyes, and almost all family members on both sides have myopia as well. Since childhood, I have frequently experienced eye allergies during seasonal changes (...
Dr. Liang Ce Reply:
Recommendations: 1. Discuss the above situation further with your attending physician. 2. Alternatively, consult with another ophthalmology clinic. Thank you. Wishing you good health![Read More] Managing Eye Allergies, Myopia, and Post-Retinal Laser Surgery Care
Understanding Unusual Floaters: What to Know About Eye Symptoms
Seeing unusual dark shadows that differ from typical floaters? Hello, doctor. I have high myopia and undergo regular dilated retinal examinations every six months. Just a few days ago, I suddenly noticed a black shadow in my left eye (my right eye is unaffected) that is different...
Dr. Gao Pilin Reply:
Hello: Since you have already undergone an eye examination, the physician believes that your retina is stable, and this black streak may be a type of floaters. Therefore, you can rest assured and continue to monitor it with regular follow-ups.[Read More] Understanding Unusual Floaters: What to Know About Eye Symptoms
Understanding OCT Results: Impact of High Myopia on Macular Nerve Fiber Thickness
Questions about the optic nerve and OCT (Optical Coherence Tomography)? Hello Dr. Gao, I have high myopia (around -7.50 to -8.00) and regularly visit the hospital for check-ups. I would like to ask you about the OCT results, specifically regarding the ganglion cell layer thicknes...
Dr. Gao Pilin Reply:
Hello: Generally speaking, high myopia may affect the retina and increase the risk of developing certain eye diseases, such as macular issues. However, to determine whether this condition is related to your high myopia or if it is considered abnormal, it is best to consult your a...[Read More] Understanding OCT Results: Impact of High Myopia on Macular Nerve Fiber Thickness
Can a Slit Lamp Detect Glaucoma and Other Eye Conditions?
Can a slit lamp detect conditions such as glaucoma? Last week, soap water got into my eyes, and I felt uncomfortable for several hours. Since I have a history of dry eye syndrome, I went to see a doctor. However, they only performed a slit lamp examination and did not measure my ...
Dr. Gao Pilin Reply:
Hello: Since you mentioned that your relatives have glaucoma and retinal detachment, these eye conditions can sometimes be related to family genetics. Therefore, you should schedule an eye examination as soon as possible to monitor for any potential issues. When visiting an ophth...[Read More] Can a Slit Lamp Detect Glaucoma and Other Eye Conditions?
Understanding Floaters: When to Worry About Eye Health Concerns
Eye floaters? Last month, I had an eye examination and was diagnosed with floaters. The doctor mentioned that there were no tears, but I need to continue monitoring the situation. Recently, I've noticed that in addition to the usual floaters that look like bugs, I sometimes ...
Dr. Gao Pilin Reply:
Hello: Floaters are a common eye symptom, typically manifested as floating objects seen in the field of vision, such as black dots, lines, or shapes resembling insects. These images are actually projections of tiny structures within the gel-like substance (vitreous) inside the ey...[Read More] Understanding Floaters: When to Worry About Eye Health Concerns
Understanding Visual Blind Spots and Distorted Waves in Vision
Visual field defect Following up on question 197180, I have scheduled an appointment for next Monday. I have one last question: will the area of my visual field defect overlap with the areas where I see distorted waves? Because the areas where I see the wave distortion on both si...
Dr. Gao Pilin Reply:
Hello: The physiological blind spot and the sensation of distorted waves should occur in different areas. The physiological blind spot is located at the point where the optic nerve exits the retina (i.e., the optic disc), which lacks photoreceptor cells. Therefore, external light...[Read More] Understanding Visual Blind Spots and Distorted Waves in Vision
Understanding Photopsia and Vitreous Degeneration: Eye Health Concerns
Photopsia & Vitreous Degeneration Hello, Doctor Gao. I have myopia in both eyes, with the right eye at -5.25 diopters and the left eye at -6.25 diopters. I have been experiencing floaters for three years. I would like to ask you the following questions: 1. I started experie...
Dr. Gao Pilin Reply:
Hello: 1. Photopsia and Retinal Detachment: Photopsia may be related to retinal issues, but the specific extent of its impact on the retina and optic nerve requires further evaluation. Retinal detachment may increase the risk of glaucoma, but it does not necessarily lead to gla...[Read More] Understanding Photopsia and Vitreous Degeneration: Eye Health Concerns
Understanding Floaters and Retinal Health: When to Seek Help
Floaters, retinal issues? Doctor, I would like to ask about my vision. My right eye prescription is -4.75 and my left eye prescription is -5.25. Today, I had a retinal examination because I have transparent floaters and I see black spots, especially on the right side, when I turn...
Dr. Cai Wenyuan Reply:
Monitor the situation, and if symptoms worsen, seek medical evaluation.[Read More] Understanding Floaters and Retinal Health: When to Seek Help