Can Prolonged Use of Dilating Drops Cause Permanent Pupil Dilation?
Will dilating eye drops cause the pupils to enlarge and not return to their normal size? 1. Prolonged use of mydriatic agents can indeed lead to a situation where the pupils remain dilated and do not return to their normal size. This is known as persistent mydriasis. 2. Suddenly...
Dr. Cai Wenyuan Reply:
That's not the case.[Read More] Can Prolonged Use of Dilating Drops Cause Permanent Pupil Dilation?
Is Frequent Pupil Dilation Safe? Eye Health Concerns Explained
Pupil Dilation Issues Hello doctor, two months ago I underwent a dilated fundus examination because I was seeing floaters in my vision, and there were no issues at that time. However, I have recently noticed an increase in the number of floaters, so I would like to have another e...
Dr. Gao Pilin Reply:
Hello: There will be no impact at all, so please feel free to go for the examination.[Read More] Is Frequent Pupil Dilation Safe? Eye Health Concerns Explained
Understanding Eye Floaters and the Effects of Pupil Dilation
Eye problems Hello doctor, I recently experienced symptoms of floaters, so I visited an ophthalmologist today and underwent a dilated eye exam. The doctor said there were no issues with my retina and attributed it to eye fatigue, advising me to rest well. However, while I was sho...
Dr. Gao Pilin Reply:
Hello, Xiao W: This should not be a problem; it is likely related to the vitreous. You can continue to observe it. The dilated fundus examination is not an issue, so please don't worry. Children who are being treated for myopia also need to use dilating drops daily.[Read More] Understanding Eye Floaters and the Effects of Pupil Dilation
Managing Cataract Surgery for Patients with Severe Pupil Dilation Allergies
Regarding postoperative medical issues related to severe allergic reactions to mydriatic agents after cataract surgery? Hello Doctor, my mother has recently been diagnosed with cataracts that are severe enough to require surgery. However, during the examination, it was discovered...
Dr. Cai Wenyuan Reply:
If you have no experience in this area, you can visit a medical center for an examination.[Read More] Managing Cataract Surgery for Patients with Severe Pupil Dilation Allergies
Understanding Irreversible Pupil Issues and Their Impact on Vision
Pupil issues The left eye's unaided vision is 0.1, and the best corrected vision is 0.4. The patient experiences blurriness when viewing near objects due to an inability to accommodate the pupil, and also has photophobia during the day. The condition of pupil dilation is irr...
Dr. Liang Ce Reply:
It is recommended that you visit an ophthalmology clinic for consultation to determine if further examinations are necessary. Thank you, and wish you good health![Read More] Understanding Irreversible Pupil Issues and Their Impact on Vision
Understanding Eye Flashes: Causes and Concerns for Computer Users
Flashes of light in the eyes? Hello, Doctor. I have had floaters since childhood, and recently, when I blink rapidly or squint hard, I sometimes see a horizontal black line at a specific location (similar to the black area after a camera flash), which lasts from a few minutes to ...
Dr. Gao Pilin Reply:
Hello Mr. Ching: If this is a recent occurrence, I recommend that you visit an ophthalmologist for an examination. Pupil dilation is not a concern and will not harm your eyes.[Read More] Understanding Eye Flashes: Causes and Concerns for Computer Users
Understanding Pupil Dilation and Its Impact on Vision Health
Pupil dilation parallax Hello, I visited the ophthalmology department at National Taiwan University over a year ago. At that time, I had a disparity in vision (I forgot the degree), with normal vision in my left eye and my right eye being myopic. The doctor prescribed long-acting...
Dr. Gao Pilin Reply:
Hello, Peng: 1. The changes in vision may be caused by myopia. If wearing appropriate glasses allows for clear vision, then there is no deterioration in vision; it is just that the prescription may have changed. 2. It should not be that severe. 3. Short-acting medications are...[Read More] Understanding Pupil Dilation and Its Impact on Vision Health
Why Is Pupil Dilation Necessary After Macular Pucker Surgery?
Why is it necessary to use mydriatic agents after macular pucker surgery? Hello, Director Gao: I underwent vitrectomy, macular pucker removal with gas tamponade, and intraocular laser surgery for my left eye due to macular pucker in mid-February. After the surgery, my attending p...
Dr. Gao Pilin Reply:
Hello, Blue Sky: After surgery, the pupils will be kept dilated for examination purposes. This also helps prevent the iris from adhering to the lens due to inflammation. As for the duration of the dilation, it will be determined by the attending physician.[Read More] Why Is Pupil Dilation Necessary After Macular Pucker Surgery?
Do Photochromic Lenses Affect Pupil Function Over Time?
Eyeglass prescription issues? Wearing photochromic lenses (such as progressive lenses) for an extended period may affect the efficiency of pupil dilation. It is said that photochromic lenses can reduce the amount of light entering the pupil, thereby decreasing the frequency of pu...
Dr. Gao Pilin Reply:
Hello, Cocoa: You don't need to worry about this; it will not affect the pupillary response.[Read More] Do Photochromic Lenses Affect Pupil Function Over Time?
Understanding Floaters and Light Flashes: When to Seek Help
Questions related to floaters? Hello Doctor: I discovered I had floaters in mid-October last year and went to an ophthalmology clinic for an examination. The doctor diagnosed it as degenerative floaters and said I only needed to be checked once a year. However, I later experience...
Dr. Gao Pilin Reply:
Hello: It is likely to be floaters; I recommend that you get it checked again. Pupil dilation does not necessarily cause glaucoma unless there is narrow-angle glaucoma. Since it has not occurred before, the likelihood of it happening afterward is low, so please don't worry.[Read More] Understanding Floaters and Light Flashes: When to Seek Help
Understanding Eye Issues: Floaters, Vision Changes, and Eye Health Concerns
Eye problems I have a myopia of -5.25 diopters and two years ago I started experiencing floaters. Recently, I noticed a different type of floater in my eyes (like many dark clouds moving towards the center), and sometimes it feels like a light switch turning on and off. After und...
Dr. Gao Pilin Reply:
Hello Tsai: 1.2. This is a phenomenon of vitreous degeneration. Please refer to: https://bit.ly/2xgUowc. 3. Pupil dilation is primarily used to examine the retina, but the presence of cataracts or glaucoma can be determined during routine examinations. If the physician did not me...[Read More] Understanding Eye Issues: Floaters, Vision Changes, and Eye Health Concerns
Understanding Pupil Dilation: Concerns About Vision Clarity in Teens
Pupil-dilating agents issues? Hello, doctor. My daughter is currently 13 years old and has a significant difference in vision between her eyes, with the right eye at 0.3 and the left eye at 1.0. However, she can still see clearly. Recently, we visited an ophthalmologist who presc...
Dr. Gao Pilin Reply:
Hello Ms. Chen: Here are the side effects of mydriatic agents. The side effects produced by mydriatics include photophobia and blurred near vision. Short-acting mydriatics do not cause photophobia, but they are less effective in controlling myopia. On the other hand, long-acting ...[Read More] Understanding Pupil Dilation: Concerns About Vision Clarity in Teens
Understanding Pupil Dilation and Fundus Examination: Common Concerns
Fundus examination and mydriasis issues? Hello, doctor. I visited the ophthalmologist last night, received a dilating agent, and underwent a fundus examination (I have had strabismus since childhood). The doctor did not observe any symptoms during the examination. However, this m...
Dr. Gao Pilin Reply:
Hello Mr. Wang: It is possible that the effects of your mydriatic agent are still present, which may explain this phenomenon. It should resolve within a day. This is likely not a symptom of glaucoma. If you are concerned or if the symptoms persist, it is advisable to return for a...[Read More] Understanding Pupil Dilation and Fundus Examination: Common Concerns
Understanding Astigmatism Changes After Pupil Dilation in Children
After dilation, the astigmatism measurement changed from 0 to -0.5? Hello Director Tsai, I would like to ask about a routine vision examination for a 7-year-old girl. Before dilation, her astigmatism measurement was 0, but after dilation, it changed to -0.5. How should this be in...
Dr. Cai Wenyuan Reply:
Margin of error.[Read More] Understanding Astigmatism Changes After Pupil Dilation in Children
Understanding Eye Degeneration: Symptoms and Solutions for Myopia
Ocular degeneration I have been experiencing floaters in my eyes for some time, and I have high myopia with mild astigmatism, approximately 600-700 degrees. My eyes are often dry, so I cannot wear contact lenses for long periods; I only wear them when necessary, and most of the t...
Dr. He Jianxian Reply:
Based on your description, you are likely experiencing some early signs of presbyopia, which is related to your prolonged use of computers and electronic devices. Regarding your vision significantly deteriorating in low-light conditions, this is likely due to pupil dilation in di...[Read More] Understanding Eye Degeneration: Symptoms and Solutions for Myopia
Understanding the Link Between Pupil Dilation and Acute Glaucoma Risks
Pupil dilation and its relationship with acute glaucoma? Hello, doctor. Recently, during a dilated eye exam at the hospital, the report mentioned that dilation could potentially cause acute glaucoma. It advised that if symptoms such as eye pain, headache, or nausea occur, I shoul...
Dr. Gao Pilin Reply:
Hello: Some individuals naturally have a narrower anterior chamber angle, making them more susceptible to acute glaucoma after dilation. However, most people do not have a narrow angle and are less likely to experience this condition. After four to six hours post-dilation, the ri...[Read More] Understanding the Link Between Pupil Dilation and Acute Glaucoma Risks
Does Pupil Dilation Increase Risk of Macular Degeneration from Blue Light?
Pupil-dilating agent issues? Hello, doctor. I would like to ask if dilating drops, by enlarging the pupil, increase the amount of blue light entering the eye and consequently raise the risk of macular degeneration. I have been using a 0.05% long-acting dilating agent since elemen...
Dr. Gao Pilin Reply:
Hello, A-Jun: The blue light from mobile phones is not likely to cause macular degeneration, so there is no need to worry. However, remember to wear sunglasses when going outside, as excessive sunlight can more easily lead to macular degeneration. Online answers should only be us...[Read More] Does Pupil Dilation Increase Risk of Macular Degeneration from Blue Light?
Do Glaucoma Surgeries Require Pupil Dilation with Eye Drops?
Glaucoma surgery & mydriatics Is it necessary to use mydriatic drops before glaucoma surgery to dilate the pupil for easier surgical access?
Dr. Liang Ce Reply:
It is advisable for you to discuss the above situation further with your attending physician. Thank you, and wishing you good health![Read More] Do Glaucoma Surgeries Require Pupil Dilation with Eye Drops?
How Long is the Validity of Pupil Dilation Exams?
Pupil Dilation Duration Hello, doctor. I would like to inquire about the validity period of a dilated eye exam. I had a dilated exam at the end of December last year, and there were no issues. However, I am a bit concerned about my macula recently, so I would like to know how lon...
Dr. Gao Pilin Reply:
Hello, Wei: How often you should have your retina checked depends on the condition of your eyes. If your vision has not deteriorated, once a year should be sufficient. However, it is still important to consult with your examining physician, who will assess your situation and info...[Read More] How Long is the Validity of Pupil Dilation Exams?
Understanding Pupil Dilation Effects on Vision Clarity
Pupil Dilation Issues The left eye has a vision of 1.0 with a myopia of 50 degrees, while the right eye has a vision of 1.2. Recently, the right eye has been feeling blurry. Both eyes were treated with 0.25% tropicamide for dilation. Typically, dilation causes blurred vision for ...
Dr. Gao Pilin Reply:
Hello, Jun: Based on your vision and prescription, it seems that the two eyes are functioning differently. The right eye may not be fully operational, and the ciliary muscle may not be completely paralyzed. At the E-Hospital in Puzi, Taiwan, the ophthalmology department is open o...[Read More] Understanding Pupil Dilation Effects on Vision Clarity