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:
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 Rainbow Vision: Is It a Sign of Glaucoma?
Rainbow vision issues Hello, Director Gao. Over the past year, I have noticed that when I look at streetlights (and recently even ordinary lights), I see rainbow halos around them. At the same time, I find the light very glaring, and if I look for one to two seconds, I experience...
Dr. Gao Pilin Reply:
Hello, concerned individual: Halos are a phenomenon associated with glaucoma, often due to corneal edema; however, the presence of halos does not necessarily indicate glaucoma. If there is no unusual eye pain or blurred vision, there is no need to visit the emergency room; follow...[Read More] Understanding Rainbow Vision: Is It a Sign of Glaucoma?
Understanding Rainbow Halos in Glaucoma Patients: Is It Normal?
Glaucoma ring Hello, doctor. I would like to ask if it is normal to see rainbow halos around lights (specifically, the nearest white streetlight in a row of streetlights) at night while using prescribed glaucoma eye drops, even though my intraocular pressure is within the control...
Dr. Liang Ce Reply:
It is recommended that you discuss the above situation with your attending physician to determine if further examinations are necessary. Thank you, and wishing you good health![Read More] Understanding Rainbow Halos in Glaucoma Patients: Is It Normal?
Understanding Visual Disturbances: Rainbow Halos and Pulsating Shadows
After looking at a light source, there are black spots in vision, and next to the light source, there are rainbow-like colors. The black spots seem to pulse in sync with the heartbeat? Hello, doctor. I previously used to apply cycloplegic drops for my myopia, with a prescription ...
Dr. Cai Wenyuan Reply:
Observe the symptoms, and if they persist, seek medical attention.[Read More] Understanding Visual Disturbances: Rainbow Halos and Pulsating Shadows
Understanding Dry Eyes: Can They Cause Rainbow Vision?
Please help me! Hello Doctor, I would like to ask about an issue I experienced two weeks ago. I woke up with sudden pain at the outer corner of my right eye. After visiting a clinic, I was told that I might be developing a stye. Later, the pain turned into a sensation of dryness ...
Dr. He Jianxian Reply:
True rainbow vision is caused by corneal edema and occurs only in acute glaucoma; it does not happen in other types of glaucoma. Fogging of glasses, especially when wearing a mask, can easily lead to similar conditions. Director He Jianxian, Department of Ophthalmology, Nantou Ho...[Read More] Understanding Dry Eyes: Can They Cause Rainbow Vision?
Understanding Eye Health: Common Concerns and Symptoms Explained
Vision problems Hello, Doctor. I have three questions I would like to ask you. 1. During a dilated eye exam last June, I noticed a small area in the lower left and directly below my right eye that appeared darker (deep red). However, several months of subsequent dilations and v...
Dr. Gao Pilin Reply:
Hello Wei: 1. Based on the physician's and your descriptions, there should be no issues. Regular follow-ups are sufficient. 2. First, correct both eyes to achieve emmetropia, then check for any color disparity. If there is none, it is likely due to refractive error. Other...[Read More] Understanding Eye Health: Common Concerns and Symptoms Explained
Understanding Eye Issues: Floaters, Glaucoma Concerns, and Visual Disturbances
Eye problems Hello Doctor: I have some questions regarding my eyes. I have floaters and my myopia is approximately -2.50 diopters. 1. Recently, I noticed that when I use my peripheral vision to look at a plain colored wall while moving, I see small ripples on the wall. Is this no...
Dr. Gao Pilin Reply:
Hello to those who are anxious and unable to sleep: 1. There shouldn't be any major issues; it may just be vitreous floaters. 2. Yes, pressure on the eyeball can cause this. 3. No, it won't. 4. There's no need to stare; if there is a phenomenon of rainbow vision, i...[Read More] Understanding Eye Issues: Floaters, Glaucoma Concerns, and Visual Disturbances
Understanding Visual Disturbances: Rainbow Halos and Light Trails
Extending the light rays? A month ago, I noticed that when I looked at bright lights, I saw a halo resembling a rainbow around them. I visited a nearby ophthalmologist, who examined my eyes and suggested that this might be caused by a few small holes in my cornea. I was prescribe...
Dr. Gao Pilin Reply:
Hello, Chao Da: The previous corneal perforation may have caused scarring on the cornea, which could explain the current phenomenon. As for the double vision, it may be due to irregular astigmatism caused by the scarring. However, without a personal examination, I cannot confirm ...[Read More] Understanding Visual Disturbances: Rainbow Halos and Light Trails
Understanding Eye Symptoms: When to Seek Help for Vision Issues
Eye problems Hello, Doctor. 1. Last night, while looking at my phone in a dark place, I saw what looked like fine raindrops falling. I have experienced this before (occasionally a single drop), but this time it was more continuous (though not as heavy as a downpour). After rest...
Dr. Gao Pilin Reply:
Hello: 1. If it disappears, it is likely a type of photopsia, which should not be a concern. 2. Seeing rainbow halos indicates corneal edema, which may occur due to prolonged wear time; it is advisable to shorten the wearing duration to prevent corneal hypoxia. 3. (1) It could be...[Read More] Understanding Eye Symptoms: When to Seek Help for Vision Issues
Seeing Rainbow Halos Around Lights: Should You Be Concerned?
Seeing rainbow halos around lights? Hello doctor, seeing rainbow circles around lights indicates an issue with the eyes. Should I seek medical attention? Could this be a sign of glaucoma, or is it only associated with acute glaucoma?
Dr. Gao Pilin Reply:
Hello, Seeing rainbow halos may be caused by corneal edema, which can arise from various conditions. For instance, wearing contact lenses for too long can lead to this issue, and glaucoma can also present similar symptoms. Cataracts may also cause halos around lights. It is adv...[Read More] Seeing Rainbow Halos Around Lights: Should You Be Concerned?
Seeing Rainbow Halos Around Streetlights: Possible Causes Explained
Seeing a rainbow halo around a streetlight? Last week, I had a visual field test and a fundus examination, both of which were normal. A few days ago, I noticed rainbow halos around streetlights, so I immediately visited an ophthalmologist. My intraocular pressure was normal, and ...
Dr. He Jianxian Reply:
Hello Vivi: First, it is important to understand that glaucoma is not possible, as only acute glaucoma can cause such a condition. If you are wearing glasses, dirty lenses or impurities in your tears could also lead to similar issues. Dr. He Jianxian, Ophthalmologist, Nantou Hosp...[Read More] Seeing Rainbow Halos Around Streetlights: Possible Causes Explained
Understanding Glaucoma: Symptoms, Diagnosis, and Eye Health Concerns
About glaucoma? I found some information about glaucoma online and became worried that I might have it. Previously, I noticed rainbow halos around lights at night. After visiting an ophthalmologist, my intraocular pressure was measured and found to be within the normal range. The...
Dr. He Jianxian Reply:
1. An indirect ophthalmoscope can visualize the retina and the optic nerve. 2. The description of glaucoma you mentioned refers to the halo phenomenon seen in acute angle-closure glaucoma with corneal edema. With your -6.00 diopter myopia, it is highly unlikely for you to exper...[Read More] Understanding Glaucoma: Symptoms, Diagnosis, and Eye Health Concerns
Understanding Rainbow Halos and Light Distortion in Vision
Light Rainbow Halo Hello, doctor. When I look at lights directly, everything appears normal, but when I look at them from an angle, the lights seem to extend. Why is that? Additionally, when I look at lights, I see rainbow halos around them, but I don't experience nausea or ...
Dr. Liang Ce Reply:
It is recommended that you visit an ophthalmology clinic to assess your eye condition, which would be more appropriate. Wishing you good health.[Read More] Understanding Rainbow Halos and Light Distortion in Vision
Understanding Eye Issues: Dryness, Rainbow Halos, and Glaucoma Concerns
Eye problems I have been experiencing dry eyes and occasional soreness, and for the past month, I have noticed rainbow halos around streetlights (I am not wearing contact lenses). I visited a doctor today who said it was due to fatigue, but since I did not have an eye pressure te...
Dr. Gao Pilin Reply:
Hello: Seeing a rainbow around lights may indicate high intraocular pressure or corneal edema, but the doctor has examined you and these conditions should be ruled out. It’s still a good idea to check your intraocular pressure when you have the chance. Any eye drops used during d...[Read More] Understanding Eye Issues: Dryness, Rainbow Halos, and Glaucoma Concerns
Understanding Allergic Conjunctivitis and Its Impact on Eye Health
Allergic conjunctivitis I have been troubled by allergic conjunctivitis for six months, but during this time, I have seen an ophthalmologist, and my intraocular pressure has ranged between 17-22 mmHg. The corneal thickness was also measured and found to be about 10 micrometers le...
Dr. Gao Pilin Reply:
Hello: Both the OCT and visual field tests are normal, and the intraocular pressure is nearly normal, so glaucoma can be ruled out for now. However, regular follow-ups are still necessary. The eye discomfort and pressure you are experiencing are mostly due to eye strain, and sinc...[Read More] Understanding Allergic Conjunctivitis and Its Impact on Eye Health
Understanding Occasional Rainbow Vision: Causes and When to Seek Help
Occasional visual aura? Hello Dr. Tsai, Recently, I've been experiencing eye fatigue and occasionally seeing faint rainbow halos around streetlights (the color layering is not very pronounced). A month ago, I had my eyes checked for refractive error, astigmatism, and fundus...
Dr. Cai Wenyuan Reply:
Hello, it should not be glaucoma; observation is sufficient. Wishing you peace and health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Department of Ophthalmology, Taoyuan General Hospital, Ministry of Health and Welfare.[Read More] Understanding Occasional Rainbow Vision: Causes and When to Seek Help
Understanding Eye Pressure Issues: Symptoms of Dry Eyes or Glaucoma?
Intraocular pressure issues? Recently, I have been experiencing eye fatigue and have visited multiple ophthalmologists. Each time, my intraocular pressure was measured to be around 16-21 mmHg. I underwent OCT and fundus photography, and the doctor stated that my optic nerve appea...
Dr. Cai Wenyuan Reply:
Hello, 1. Observe the situation, and if symptoms persist, seek medical attention. 2. It should not be. 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 Eye Pressure Issues: Symptoms of Dry Eyes or Glaucoma?
Understanding Rainbow Halos: Are They a Sign of Glaucoma?
Rainbow halo In the past couple of days, I have noticed a faint rainbow halo around bright white streetlights at night. However, I had my eyes checked at two different ophthalmology clinics a month ago, and both my retinal examination and intraocular pressure were normal. Could i...
Dr. Liang Ce Reply:
It is recommended that you visit the ophthalmology outpatient clinic for a detailed explanation of your condition. Wishing you good health![Read More] Understanding Rainbow Halos: Are They a Sign of Glaucoma?
Understanding Rainbow Halos and Glare: Eye Symptoms in Myopia Patients
Seeing rainbow halos and scattered light around streetlights? Hello, I am a patient with high myopia and have floaters. I usually wear rigid gas permeable contact lenses for no more than eight hours. When I look at white streetlights at night, I see rainbow halos and cross-shaped...
Dr. Cai Wenyuan Reply:
Hello, dry eyes can indeed cause this phenomenon. Wishing you peace and health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan General Hospital, Ministry of Health and Welfare.[Read More] Understanding Rainbow Halos and Glare: Eye Symptoms in Myopia Patients
Understanding Rainbow Halos: When to Seek Eye Care for Symptoms
Rainbow halo Dear Doctor, I later discovered some additional conditions, so I have a few more questions for you to consider regarding whether I should go to the hospital for an examination: 4. When I lower my head, close my eyes, and then raise my head to look at a streetligh...
Dr. He Jianxian Reply:
A. Eye pressure can increase when the head is lowered. B. Corneal edema can cause halos around lights. C. Poorly fitting or unclean glasses can also lead to seeing halos around the iris.[Read More] Understanding Rainbow Halos: When to Seek Eye Care for Symptoms