Understanding Astigmatism and Rainbow Vision Issues in Eye Health
Astigmatism and halos? I recently visited an ophthalmologist who performed a retinal examination and measured my intraocular pressure, which was slightly elevated (21 and 24). As a result, he conducted a thorough optic nerve assessment, and everything appeared normal. However, in...
Dr. Liang Ce Reply:
I suggest you discuss your condition further with your attending physician to see if additional relevant tests can be arranged. Wishing you good health.[Read More] Understanding Astigmatism and Rainbow Vision Issues in Eye Health
Understanding Rainbow Halos: When to Seek Eye Care
Rainbow halo Hello, doctor. I would like to ask if I should go to the hospital for an examination based on the following conditions. For the past month, when I look at streetlights and car headlights at night, I sometimes notice the following: 1. Every day, when looking at street...
Dr. He Jianxian Reply:
The term "rainbow vision" refers to corneal edema, which causes a rainbow-like halo around a light source when viewed directly. Therefore, any light source should be visible in this manner, which does not align with your description.[Read More] Understanding Rainbow Halos: When to Seek Eye Care
Understanding Rainbow Vision After Flashing Lights: Is It Glaucoma?
I see rainbow vision when the flash is activated? I see rainbow vision when I look at a flash of light, but it only occurs with the flash. Is this glaucoma? I have congenital allergic conjunctivitis; could this be the reason? Is it true that the harder the eye, the higher the int...
Dr. Cai Wenyuan Reply:
Hello, please seek medical examination. Thank you.[Read More] Understanding Rainbow Vision After Flashing Lights: Is It Glaucoma?
Understanding Halo Vision: Causes and Concerns for Nighttime Light Disturbances
Seeing halos around streetlights and car headlights at night? Hello Dr. Tsai: When I look at streetlights or car headlights at night, I see a shimmering halo around them. Staring directly at the streetlight creates a halo effect, which occurs in both eyes, but I do not see a dist...
Dr. Cai Wenyuan Reply:
Hello, your description may not necessarily indicate glaucoma, so there is no need to worry. It is fine to seek a medical examination.[Read More] Understanding Halo Vision: Causes and Concerns for Nighttime Light Disturbances
Understanding Rainbow Vision and Eye Pressure Concerns
Iris vision and intraocular pressure issues? I seem to have been experiencing halos around lights. I had an examination where the first air puff test showed an intraocular pressure of 27 in both eyes. After about half an hour, I had a tonometry test which returned to normal (thou...
Dr. Cai Wenyuan Reply:
Hello, your issue may still require a medical examination for a proper diagnosis. Wishing you safety and health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan Hospital, Ministry of Health and Welfare.[Read More] Understanding Rainbow Vision and Eye Pressure Concerns
Understanding Rainbow Vision: Eye Symptoms and Possible Causes
Seeing a halo of rainbow colors around the eyes? Hello, Doctor. I apologize for bothering you, but I noticed something tonight. When I looked at a streetlight, I saw a ring of rainbow colors around it. Also, I have experienced another condition where, after looking at a light and...
Dr. Gao Pilin Reply:
Hello, Heihei: If you have received a mydriatic agent, it is possible that your pupils are too dilated. Please have your doctor check again. In Taiwan, the Department of Ophthalmology at Puzi Hospital is open Monday to Friday from 8:00 AM to 12:00 PM and Wednesday afternoons from...[Read More] Understanding Rainbow Vision: Eye Symptoms and Possible Causes
Understanding Rainbow Vision: Causes and Concerns for Myopia Patients
Is it heterochromia? Hello, doctor: I have high myopia. When I wear my glasses and deliberately look to the right, left, or up and down at a frontal object, I see rainbow-like colors next to that object, such as yellow-red or blue-green. What could this be? Is it chromatic aberra...
Dr. Gao Pilin Reply:
Hello, Jingmei: This is due to the prism effect of the lens, which causes dispersion, and it is not diplopia. Department of Ophthalmology, Puzi Hospital, Taiwan: Monday to Friday from 8:00 AM to 12:00 PM, Wednesday afternoon from 1:00 PM to 4:30 PM. Online responses can only serv...[Read More] Understanding Rainbow Vision: Causes and Concerns for Myopia Patients
Understanding Rainbow Vision: Causes, Symptoms, and When to See an Eye Doctor
Rainbow vision issues Hello, doctor. Recently, I've noticed a subtle rainbow halo around streetlights at night, especially pronounced with white lights, while yellow lights don't show it. I think this might be called halos, right? I also tried extending my hands to the ...
Dr. Gao Pilin Reply:
Hello, Ju-er: Rainbow vision can sometimes be caused by elevated intraocular pressure, but it is necessary to examine the optic nerve and visual field to diagnose glaucoma. Corneal edema can also lead to rainbow vision, but an examination is required to determine the cause. In Ta...[Read More] Understanding Rainbow Vision: Causes, Symptoms, and When to See an Eye Doctor
Understanding Dry Eyes and Rainbow Vision: Causes and Solutions
Dry eyes with halo vision? Hello, doctor. I have floaters in my vision, and last week my eyes felt a bit swollen, followed by the onset of halos and glare. I visited an ophthalmologist who said my eyes are dry, but I have sufficient tear production. I would like to know if there ...
Dr. Gao Pilin Reply:
Hello Tina: The phenomenon of halos around lights may be caused by corneal edema, which can occur in conditions like glaucoma. I'm not sure if you wear contact lenses, but sometimes wearing them for too long can also lead to this issue. If your intraocular pressure is normal...[Read More] Understanding Dry Eyes and Rainbow Vision: Causes and Solutions
Understanding Rainbow Vision: Is It Normal or a Sign of Glaucoma?
Could you please provide more context or specify your question? I would like to ask the doctor: I have a refractive error of -4.50 diopters in both eyes, with approximately -1.00 diopter of astigmatism in each eye. When I wake up in the morning, I see rainbow halos around lights,...
Dr. Gao Pilin Reply:
Hello XXX: 1. It is possible that the cornea is causing this issue; pressure during sleep may have led to some deformation, resulting in the appearance of halos. 2. Glaucoma could potentially cause such symptoms, but it would not resolve in just a few minutes, so it is likely ...[Read More] Understanding Rainbow Vision: Is It Normal or a Sign of Glaucoma?
Understanding Normal-Tension Glaucoma: Symptoms and Concerns for Patients
Normal-tension glaucoma issues? Dear Dr. Wang, I am a patient with high myopia, with my prescription being approximately -11.75 and -11.25 in both eyes. I recently visited the hospital for an examination, and the doctor initially told me that my condition was stable. However, af...
Dr. Wang Zhishun Reply:
Hello: 1. Normal-tension glaucoma typically does not cause halos; your phenomenon may be due to eye fatigue. 2. Normal-tension glaucoma usually has no symptoms in the early stages; symptoms typically appear in the middle to late stages (such as narrowing of the visual field). 3. ...[Read More] Understanding Normal-Tension Glaucoma: Symptoms and Concerns for Patients
Understanding the Connection Between Rainbow Vision and Dry Eye Syndrome
Rainbow eyes and dry eye syndrome? Hello Dr. Feng: I have rainbow vision in my left eye and dry eye syndrome in both eyes. What is the relationship between the two conditions, and what should I be aware of? Thank you!
Dr. Feng Jiefan Reply:
Hello: Rainbow eye should be interpreted as iritis. Essentially, iritis and dry eye syndrome are not directly related. However, if there are concurrent autoimmune diseases such as rheumatoid arthritis, the eyes may present symptoms of either iritis or dry eye syndrome. This means...[Read More] Understanding the Connection Between Rainbow Vision and Dry Eye Syndrome