Understanding the Sparkling Dots in Your Vision: Causes and Concerns
Seeing small bright spots in the sky that resemble stars? Dear Doctor, I started experiencing floaters (transparent specks) this month. At the beginning of the month, I had an eye exam to check my retina, and everything was fine. However, today while looking at the sky, I notice...
Dr. He Jianxian Reply:
Dear Mr. Lyon: I am unable to understand what you mean by "light spots." This phenomenon seems to occur only when looking at the sky, which is somewhat unusual. Clinically, I have not encountered similar cases. I recommend that you undergo another retinal examination....[Read More] Understanding the Sparkling Dots in Your Vision: Causes and Concerns
Risks of Handheld Fundus Cameras: Eye Examination Concerns
Handheld fundus camera: Side effects of fundus examination? Hello, Dr. Gao. When I went to the optical shop to get my lenses, the optometrist provided a free handheld fundus camera for a retinal examination. They mentioned that they would provide the data for confirmation by an o...
Dr. Gao Pilin Reply:
Hello: A handheld fundus camera does use flashes to capture retinal images during a fundus examination. Generally, this method of examination is considered safe. Although the instructions mention a risk of retinal damage, this typically refers to prolonged, frequent, and high-int...[Read More] Risks of Handheld Fundus Cameras: Eye Examination Concerns
Understanding Eye Flashes and Floaters in High Myopia Patients
Eye twitching Hello Doctor: I am severely myopic (approximately -1100 diopters in both eyes). In January of this year, I began experiencing floaters (transparent strands, occasionally with small black dots). Later, I occasionally noticed flashes of light, mostly resembling flicke...
Dr. Gao Pilin Reply:
Hello: Based on your description, you have high myopia and floaters, and you have recently experienced occasional flashes of light. These conditions do require special attention, as individuals with high myopia are more prone to retinal issues. 1. Floaters and Flashes: - Flo...[Read More] Understanding Eye Flashes and Floaters in High Myopia Patients
Understanding Vitreous Liquefaction and Its Effects on Vision
Vitreous liquefaction Hello, Doctor: I had a retinal examination a month ago, and there were no issues, but there was vitreous liquefaction. Recently, I have been experiencing frequent flashes of light, so I went for another check-up. The doctor said it is a normal phenomenon, bu...
Dr. Gao Pilin Reply:
Hello: Vitreous liquefaction is a common phenomenon that occurs with aging or changes in myopia. After vitreous liquefaction, it can sometimes cause traction on the retina, leading to the sensation of flashes of light. This is due to the pulling or tugging at the junction between...[Read More] Understanding Vitreous Liquefaction and Its Effects on Vision
Understanding Visual Afterimages: When to Seek Eye Care
Seeing visual afterimages or bright spots? When I close my eyes, I can see some small bright spots and dark dots that appear and disappear. Some of them can also be seen when my eyes are open, resembling visual afterimages. They are most noticeable when I blink, and some change f...
Dr. Gao Pilin Reply:
Hello: The symptoms you mentioned, including seeing small bright spots and dark spots when your eyes are closed, as well as experiencing fleeting shadows upon opening your eyes, may be related to issues with the retina or vitreous body. These phenomena can sometimes be considered...[Read More] Understanding Visual Afterimages: When to Seek Eye Care
Understanding Visual Disturbances: Flickering Lights and Floaters Explained
Upon waking up, I noticed that the wall seemed to be swaying, and there was a slight flickering sensation? Hello Doctor: Recently, I have been troubled by flashes of light. I have undergone multiple dilated eye examinations and ultra-widefield fundus photography, but no issues we...
Dr. Gao Pilin Reply:
Hello: Based on your symptoms, there are several possible explanations to consider: 1. Vitreous Degeneration: You mentioned seeing transparent objects resembling amoebae on sunny days, which is typical of floaters, commonly associated with vitreous degeneration or degeneration....[Read More] Understanding Visual Disturbances: Flickering Lights and Floaters Explained
Seeing Afterimages Upon Waking: Possible Causes and Concerns
Waking up in the middle of the night with afterimages? Hello Doctor, I have a sleeping environment with a small night light and a ceiling fan. For the past three days, when I wake up in the middle of the night and open my eyes, I see a faint afterimage of the fan illuminated by t...
Dr. Gao Pilin Reply:
Hello: Based on your description, you see afterimages of the fan when you open your eyes in the dark or dimly lit environment, and these afterimages disappear after a few seconds. You have a history of dry eye syndrome and retinal tears, and you are taking cold medication and pro...[Read More] Seeing Afterimages Upon Waking: Possible Causes and Concerns
Seeing Shadows While Coughing: Is It a Retina Issue?
Coughing with dark sputum? Hello, doctor. I experience floaters when looking at the sky or under bright sunlight. Two years ago, I also noticed some patterns that appeared to be shaking. At that time, I visited a major hospital and underwent tests for glaucoma and optical coheren...
Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, particularly the appearance of black shadows during coughing, it is indeed important to pay special attention. Here are some possible causes and recommendations: 1. Vitreous traction: Coughing or straining may cause a temporary change...[Read More] Seeing Shadows While Coughing: Is It a Retina Issue?
Is Long-Term Use of Mydriatics Safe for Open-Angle Glaucoma Patients?
Is it suitable for patients with open-angle glaucoma to use mydriatics long-term to relieve eye fatigue? Hello, I am a 54-year-old patient with open-angle glaucoma, cataracts, and myopia. 1. What are the indications for using mydriatic agents in ophthalmology? From the informat...
Dr. He Jianxian Reply:
Dear Ms. Li, 1. Mydriatic agents are not intended for routine use to alleviate eye fatigue, and this applies to both glaucoma and non-glaucoma patients. 2. Clinically, the routine use of mydriatic agents as a choice for relieving eye fatigue is not recommended; please discuss th...[Read More] Is Long-Term Use of Mydriatics Safe for Open-Angle Glaucoma Patients?
Understanding Cataract Checks: What to Expect During Eye Exams
Cataract examination I would like to ask if a general eye examination typically detects cataracts. If the doctor did not specifically mention it, does that mean there are none? Previously, I experienced blurred vision and went for an OCT examination, where the doctor did not indi...
Dr. Gao Pilin Reply:
Hello: A general ophthalmic examination typically includes an assessment of the lens to check for cataracts or other lens-related issues. However, if the ophthalmologist did not specifically mention any abnormalities with the lens during the examination, it may indicate that your...[Read More] Understanding Cataract Checks: What to Expect During Eye Exams
Understanding Visual Disturbances: Glaucoma, Floaters, and Eye Strain
The sensation of light when blinking? Hello, Doctor! I have early-stage glaucoma, floaters, and myopia with a prescription of -5 to -6 diopters along with astigmatism (I have regular check-ups, and my visual field, OCT, and retinal examinations in December all showed normal resul...
Dr. Gao Pilin Reply:
Hello: 1. The phenomenon of seeing white circles resembling eyes after blinking in the dark may be a visual afterimage. A visual afterimage refers to the persistence of a visual impression after the stimulus has been removed. In low light conditions, blinking causes the pupils ...[Read More] Understanding Visual Disturbances: Glaucoma, Floaters, and Eye Strain
Understanding Thinning of the Optic Nerve Fibers and Glaucoma Risks
Optic nerve fiber thinning Hello, Doctor~~ Over the past six years, my intraocular pressure has increased from an initial 18-19 to 26-27 this year, and I was subsequently diagnosed with suspected glaucoma! The doctor noted that my optic nerve fibers have thinned, and after perfor...
Dr. Gao Pilin Reply:
Hello: Based on your description, your intraocular pressure has increased from 18 and 19 to 26 and 27 over the past six years, with thinning of the optic nerve fibers. The OCT examination shows abnormalities in the inferior quadrant of the left eye, but the visual field test is n...[Read More] Understanding Thinning of the Optic Nerve Fibers and Glaucoma Risks
Essential Eye Care: Regular Checkups and Important Tests for Vision Health
Regular Eye Examinations & Eye Care Knowledge Hello, I have been nearsighted for the past five years, with my prescription ranging from -3.50 to -5.00 diopters, and I also have astigmatism (50, 100) and floaters. In my daily life, I can drive, read, and use electronic devices...
Dr. Gao Pilin Reply:
Hello: Question 1: Regarding your vision condition, it is recommended that you have an eye examination annually, which includes a refraction test and a fundus examination. Additionally, glaucoma and cataract screenings will be conducted during the visit, and you can discuss wit...[Read More] Essential Eye Care: Regular Checkups and Important Tests for Vision Health
Understanding Thin Peripheral Retina: Concerns and Management for High Myopia
The peripheral retina is very thin? Dear Doctor, I have high myopia in both eyes (L: 900, R: 1000) and high astigmatism (L ~ 400, R ~ 400). Both my left and right eyes underwent retinal laser treatment this year. During a retinal examination yesterday, the doctor noticed somethi...
Dr. Gao Pilin Reply:
Hello: Based on the situation you described, the physician recommends regular monitoring and observation, which is reasonable. Here are some suggestions to improve eye health and reduce the risk of retinal tears: 1. Maintain regular follow-ups: According to the physician's...[Read More] Understanding Thin Peripheral Retina: Concerns and Management for High Myopia
Assessing Risks of Retinal Tears and Detachment in High Myopia Patients
Check for the risk of retinal perforation or detachment? Dear Dr. Gao, I am seeking a preventive examination at the Taoyuan General Hospital due to my high myopia. Currently, there are no abnormalities when viewing the Amsler grid. The main purpose of the examination is to check...
Dr. Gao Pilin Reply:
Hello: 1. The Taoyuan General Hospital is a regional teaching hospital, so there should be no issues with retinal examinations and laser treatments. Preventive laser therapy typically carries very low risk. 2. Generally, fluorescein fundus photography is not necessary, so there i...[Read More] Assessing Risks of Retinal Tears and Detachment in High Myopia Patients
Post-Laser Surgery Concerns: Understanding Retinal Health and Symptoms
What to expect after retinal laser surgery? Hello, Doctor! I suddenly noticed new floaters in my vision on Thursday, and the next day, Friday, I went to the clinic for an examination. The doctor there dilated my pupils and said that the retina in my left eye was somewhat thin. Du...
Dr. Chen Anping Reply:
Hello: We recommend that you visit the ophthalmology outpatient clinic to address this issue and undergo an examination. Thank you. Hualien Hospital, Ministry of Health and Welfare, cares about your health.[Read More] Post-Laser Surgery Concerns: Understanding Retinal Health and Symptoms
Can I Skydive with My Eye Conditions? A Guide for Safety
Can I still go skydiving under these circumstances? Hello Doctor: Currently, my myopia is around 600 to nearly 700. Last year, I developed physiological floaters, but my retinal examination showed that both the retina and macula are completely normal. Previously, my intraocular p...
Dr. He Jianxian Reply:
Hello Mr. Azou: I haven't heard that glaucoma or high myopia prohibits skydiving; however, individuals with recent onset myopia may face slightly higher risks when skydiving. This is related to the more pronounced degeneration of the vitreous body and retina in those with hi...[Read More] Can I Skydive with My Eye Conditions? A Guide for Safety
Understanding Fixed Black Shadows in Vision: Causes and Concerns
Eye floaters? Thank you for taking the time to respond, Doctor. I would like to ask about an incident that occurred last week during a retinal examination at the hospital. The doctor noted that there were areas of thinning in my retina and performed preventive laser treatment. A ...
Dr. He Jianxian Reply:
Hello Mr. Zion: 1. Floaters come in various forms and are not fixed. 2. A constricted visual field means you cannot see certain things, rather than seeing extra things. 3. If applying red micro ointment before bed makes you uncomfortable, it is advisable to switch to another ...[Read More] Understanding Fixed Black Shadows in Vision: Causes and Concerns
Understanding Retinal Tear Symptoms: Common Concerns and Questions
Questions about the symptoms of retinal tears? Hello, I have myopia with a degree of 600 to 700. I previously asked questions regarding this issue in articles #202111 and #202245. Recently, the frequency of flashes has increased, and based on recommendations, I underwent an ultra...
Dr. Gao Pilin Reply:
Hello: 1. Accuracy of Ultra-Widefield Retinal Imaging: Ultra-widefield retinal imaging is an advanced examination method that provides a broader range of retinal images. Traditional dilated fundus examination remains a common method, especially for a more detailed assessment of...[Read More] Understanding Retinal Tear Symptoms: Common Concerns and Questions
Understanding Eye Symptoms: Lightning Flashes and Floaters Explained
Seeing flashes of light in the eyes? Hello, I have myopia with a degree of 600 to 700. I previously asked a question regarding this [#202111](https://adoctor.tw/article/202111). Following the advice given, I underwent an ultra-widefield retinal examination two days ago. The docto...
Dr. Gao Pilin Reply:
Hello: 1. Based on your description, the symptoms of flashes are relatively new and disappear when your eyes are closed, which does not quite align with the symptoms of floaters. Therefore, if they continue to occur frequently or worsen, it is advisable to return for a follow-up ...[Read More] Understanding Eye Symptoms: Lightning Flashes and Floaters Explained