Understanding Morning Floaters: Are They a Sign of Worsening Symptoms?
Waking up in the morning and seeing a multitude of spots? Hello, I have floaters and I undergo a fundus examination every six months. Recently, I occasionally wake up in the morning and see a multitude of dots, but they disappear after I blink. In my daily life, I haven't no...
Dr. He Jianxian reply Ophthalmology
Based on your description, it's difficult to determine what the numerous spots you see upon waking in the morning are. They don't seem to resemble typical floaters. I recommend that you consult your ophthalmologist for an examination if you are experiencing discomfort. ...[Read More] Understanding Morning Floaters: Are They a Sign of Worsening Symptoms?
Understanding Eye Flashes and Shadows: What You Need to Know
Flashes of light in the eyes? Hello Doctor: Recently, I have noticed several flashes of light near the bridge of my nose in my left eye when it feels prickly, and there is a fixed black shadow directly below my left eye, which is causing me a lot of anxiety. Could you please tell...
Dr. He Jianxian reply Ophthalmology
Your description may indicate the presence of floaters. It is recommended to visit an ophthalmologist for a comprehensive retinal examination with dilation. Director He Jianxian, Nantou Hospital Ophthalmology Department.[Read More] Understanding Eye Flashes and Shadows: What You Need to Know
Understanding Temporary Visual Shadows After Eye Strain: Causes and Concerns
Every time I tightly close my eyes and then open them, I see a shadow similar to an afterimage of light? Hello Doctor, I have a history of retinal tears and have undergone laser treatment for it. Although my floaters have increased, my examinations have shown no significant issue...
Dr. He Jianxian reply Ophthalmology
Forcefully closing the eyes exerts pressure on them, and the moment they open, the pressure decreases. This sudden change in pressure may cause traction on the retina, which could be a reason for the light response. This is for your reference. Dr. He Jianxian, Ophthalmology Depar...[Read More] Understanding Temporary Visual Shadows After Eye Strain: Causes and Concerns
Understanding Bright Particles Seen During Retinal Laser Treatment
Regarding what is seen before retinal laser treatment? Hello, doctor. If during retinal laser treatment and under the illumination of a three-mirror lens, I see countless bright particles, could that be vitreous syneresis? If not, what else could it be?
Dr. He Jianxian reply Ophthalmology
I apologize, but I do not fully understand the scenario you described and cannot provide an appropriate response. Director He Jianxian of the Ophthalmology Department at Nantou Hospital.[Read More] Understanding Bright Particles Seen During Retinal Laser Treatment
Understanding Visual Disturbances: Causes and When to See a Specialist
Visual impairment Hello, doctor. From October to January, I have experienced an episode each month where my eye suddenly shows irregular "colored lightning flashes" resembling a blot or a line. This phenomenon persists in my vision, and at times, I experience visual blu...
Dr. He Jianxian reply Ophthalmology
Your condition sounds like a visual aura preceding a migraine attack. If it occurs too frequently, you should consider consulting a neurologist. Dr. He Jian-xian from Nantou Hospital's Ophthalmology Department.[Read More] Understanding Visual Disturbances: Causes and When to See a Specialist
Understanding Diabetic Retinopathy: Surgery and Injection Treatments Explained
Diabetes has caused retinal hemorrhage? Hello Dr. He: My mother has developed retinal hemorrhage due to diabetes. The laser treatment for hemostasis has not been very effective, and the doctor has recommended surgery. During each follow-up visit, the doctor has requested that fam...
Dr. He Jianxian reply Ophthalmology
In cases of macular edema that cannot be treated with laser therapy, intravitreal injection of medication may be considered. Since the effects of the medication are not permanent, repeated injections may be necessary. Whether injections are required at every follow-up visit must ...[Read More] Understanding Diabetic Retinopathy: Surgery and Injection Treatments Explained
Understanding Occasional Light Flashes When Lying Down at Night
Experiencing flashes of light while lying down at night? After turning off the lights at night and lying down, I experience brief flashes of light, but they only last for a short time and do not persist. I have already been to the hospital for an examination, but there were no is...
Dr. He Jianxian reply Ophthalmology
It is difficult to explain why you see flashes of light after turning off the lights; it could be a phenomenon known as an afterimage. If you have already checked and there are no issues, there should be no need for concern. Dr. He Jianxian, Ophthalmology Department, Nantou Hospi...[Read More] Understanding Occasional Light Flashes When Lying Down at Night
Understanding Optic Nerve Cupping: Causes, Concerns, and Monitoring
Optic nerve cupping I have been having my vision checked at the same large hospital for the past two years. Both times, it was noted that my optic nerve cupping is larger than normal, but the doctor did not inform me whether the cupping has increased over the years. I underwent a...
Dr. He Jianxian reply Ophthalmology
Depressions at your age are mostly congenital, and some individuals may have larger or asymmetrical features by nature. If there are no changes upon follow-up, there should be no cause for concern. Dr. Ho Chien-Hsien, Ophthalmology Department, Nantou Hospital.[Read More] Understanding Optic Nerve Cupping: Causes, Concerns, and Monitoring
Understanding Post-Laser Retinal Surgery: Causes of Shadowy Vision
Post-retinal laser treatment side effects - appearance of shadows? Hello, doctor. Due to lattice degeneration in my left eye's retina, I underwent preventive laser surgery recently because there were several areas that were thinner. However, after returning home on the same ...
Dr. He Jianxian reply Ophthalmology
Theoretically, it is not easy for such a situation to occur. Perhaps the shadow you are seeing is a new floaters. Dr. He Jianxian, Ophthalmology Department, Nantou Hospital.[Read More] Understanding Post-Laser Retinal Surgery: Causes of Shadowy Vision
Understanding Floaters: Risks and Symptoms of Vitreous Changes
Bright blue specks and tiny shimmering dots in the field of vision? I have high myopia and underwent retinal laser treatment six years ago. I have confirmed that I have vitreous opacities, and I experience brief flashes of white or black specks almost every day, sometimes accompa...
Dr. He Jianxian reply Ophthalmology
1. Floaters can indeed cause traction on the retina, but it is not the floaters themselves causing the traction; it is the surrounding retina that is being pulled. 2. It is difficult to determine the probability of a tear forming. 3. This is not an acute symptom. 4. The sympto...[Read More] Understanding Floaters: Risks and Symptoms of Vitreous Changes
Understanding Eye Issues: Flickering Lights and Tear Sensations Explained
Eye problems I would like to ask about a situation where, in the dark with a slight light source, I notice a flickering appearance above and below my eyes (similar to a rotating fan) and sometimes it feels like tears are swirling around my eye socket. What could be happening with...
Dr. He Jianxian reply Ophthalmology
Due to the lack of similar symptoms encountered in clinical practice, we are unable to address your concerns. If you continue to experience discomfort or if it affects your daily life, it is advisable to visit an ophthalmologist for an examination. Dr. He Jianxian, Department of ...[Read More] Understanding Eye Issues: Flickering Lights and Tear Sensations Explained
Unusual Eye Sensation Upon Waking: What It Could Mean
The edges of the eyes feel unusual? In the morning, upon waking up, I feel a watery sensation at the corner of my eye, as if something is sliding past. This only happens when I bend down right after getting up.
Dr. He Jianxian reply Ophthalmology
I am unable to understand the symptoms you are describing. I apologize for that. I recommend that if you are feeling unwell, please visit an ophthalmologist for an examination. Dr. He Jianxian, Department of Ophthalmology, Nantou Hospital.[Read More] Unusual Eye Sensation Upon Waking: What It Could Mean
Understanding Eye Pressure Changes and Steroid Use in Eye Care
Consultation on Intraocular Pressure and Eye Medications One year ago, the intraocular pressure in both eyes was 18. Six months ago and recently, the left eye measured 22 and the right eye measured 15. I have a history of nasal allergies and conjunctivitis, and I have been using ...
Dr. He Jianxian reply Ophthalmology
Long-term use of corticosteroids can indeed lead to increased intraocular pressure. It is advisable to discontinue use for 2-4 weeks to see if the intraocular pressure returns to normal. If it does not, consideration should be given to using antihypertensive medications for a per...[Read More] Understanding Eye Pressure Changes and Steroid Use in Eye Care
Understanding Eye Pressure: Steroid Use and Its Effects on Ocular Health
Consultation on intraocular pressure and eye medications? One year ago, the intraocular pressure in both eyes was 18. Six months ago and recently, the left eye measured 22 and the right eye 15. I have a history of nasal allergies and conjunctivitis, and I have been using Avamys n...
Dr. He Jianxian reply Ophthalmology
Long-term use of corticosteroids can indeed lead to increased intraocular pressure. It is advisable to monitor the intraocular pressure after discontinuation for 2-4 weeks to see if it returns to normal. If it does not, consideration should be given to using antihypertensive medi...[Read More] Understanding Eye Pressure: Steroid Use and Its Effects on Ocular Health
Seeing Rainbow Halos Around Lights After Dilation: Is It Normal?
After dilation, seeing halos around streetlights? Hello, doctor. I have high myopia (left eye -1050, right eye -1200) and floaters. Due to the combination of high myopia and floaters, I regularly undergo retinal examinations. In the past two weeks, I have had two dilated eye exam...
Dr. He Jianxian reply Ophthalmology
It is possible to experience this phenomenon after dilation; there is no need to worry as long as it resolves once the pupils return to normal. Dr. Ho Chien-Hsien, Ophthalmology Department, Nantou Hospital.[Read More] Seeing Rainbow Halos Around Lights After Dilation: Is It Normal?
Understanding Brief Blackouts and Visual Fluctuations in Your Eyes
The eyes may briefly flash black (for a few seconds), and when staring blankly, there is a sensation of fluctuating brightness? 1. From Monday to Friday, during workdays, I often feel a momentary blackout in my vision, similar to a flickering light bulb above my head. When it’s l...
Dr. He Jianxian reply Ophthalmology
If you have undergone so many tests and all results are normal, there should be no need for excessive concern, as no issues are apparent. The truly dangerous condition known as "amaurosis fugax," which is characterized by transient vision loss, typically lasts for sever...[Read More] Understanding Brief Blackouts and Visual Fluctuations in Your Eyes
Understanding Cataracts After Vitrectomy: Options for Special IOLs
Cataract concerns Hello, Doctor He. I have undergone a vitrectomy due to vitreous hemorrhage in my right eye, which has resulted in cataracts. Is it possible that this is a posterior capsule opacification? Additionally, I see vertical and horizontal lines in bright light, and my ...
Dr. He Jianxian reply Ophthalmology
After vitrectomy, most cataracts that develop are nuclear cataracts. If removal is necessary, both self-paid and National Health Insurance-covered intraocular lenses can be implanted. However, to simultaneously correct astigmatism, only self-paid intraocular lenses have this capa...[Read More] Understanding Cataracts After Vitrectomy: Options for Special IOLs
Red Veins in Eye After Wearing Contact Lenses: Should I Be Concerned?
Bloodshot eyes while wearing contact lenses? Hello doctor, I haven't worn contact lenses for about six months. Yesterday, I wore them for over 12 hours, and when I got home, I noticed that the outer part of the sclera in my left eye was filled with radiating red blood vessel...
Dr. He Jianxian reply Ophthalmology
The recommended wearing time for contact lenses is within 8 hours. Exceeding this duration can lead to increased hypoxia in the cornea as the wearing time increases. Consequently, after removing the contact lenses, there may be surface congestion due to hypoxic irritation, which ...[Read More] Red Veins in Eye After Wearing Contact Lenses: Should I Be Concerned?
Understanding Rising Eye Pressure: Concerns and Next Steps for Eye Health
Intraocular pressure is increasing? In 2019, I visited a clinic due to discomfort in my eyes. The doctor informed me that my intraocular pressure (IOP) was high, measuring 20 and 21, and prescribed glaucoma eye drops. Then, in June of this year, I consulted a different doctor who...
Dr. He Jianxian reply Ophthalmology
If you are unsure whether you have glaucoma, it is recommended that you visit a larger hospital for a thorough examination, ideally including a visual field test. This will allow for a more objective assessment, as relying solely on intraocular pressure and optic nerve thickness ...[Read More] Understanding Rising Eye Pressure: Concerns and Next Steps for Eye Health
Managing High Eye Pressure During Pregnancy: Key Considerations
Key medications for managing high intraocular pressure during preconception and pregnancy? Hello, Doctor: Due to high myopia around -9.00 diopters and corneal thickness of 550-560 micrometers, OCT and visual field examinations are normal. I have been regularly monitoring my eye p...
Dr. He Jianxian reply Ophthalmology
The safety of this medication for pregnant women has not yet been fully established. Therefore, if you are planning to become pregnant, it is recommended to avoid using this medication during pregnancy and breastfeeding, as advised by the OCT and visual field examinations. This i...[Read More] Managing High Eye Pressure During Pregnancy: Key Considerations