Understanding Dilating Eye Drops for Fundus Examination Safety
Fundus examination and mydriatic agents? Dear Dr. Gao, Thank you very much for your responses to my previous inquiries. Recently, I have noticed a slight increase in my eye floaters, and you mentioned that this is likely a normal degenerative phenomenon, which I completely agree...
Dr. Gao Pilin Reply:
Hello, Ah-Hsiang: The risk of developing complications from the use of mydriatic agents during a fundus examination is very low. Complications may only arise if there is a pre-existing tendency for glaucoma. The presence of floaters will not be affected by this procedure. If ther...[Read More] Understanding Dilating Eye Drops for Fundus Examination Safety
Understanding High Eye Pressure and Eye Discomfort: Key Insights
Elevated intraocular pressure and eye discomfort? Hello Doctor, on January 16th, I visited an ophthalmology clinic due to swelling and pain in my left eye (the symptoms had been present for about 3-4 days, but it wasn't a constant discomfort; it would occasionally occur a fe...
Dr. Gao Pilin Reply:
Hello Mr. Chen, 1. The doctor prescribed eye drops to lower intraocular pressure (IOP). If the drops are discontinued, can the IOP remain normal? I have been using the drops until the day of my follow-up appointment, and I'm concerned that the drops are the reason my IOP re...[Read More] Understanding High Eye Pressure and Eye Discomfort: Key Insights
Understanding Eye Drops: Long-Term Effects and Emergency Care Tips
Regarding eye drops and some minor issues? I am 31 years old, with over 700 degrees in my right eye and over 800 degrees in my left eye, and I have retinal degeneration. I have regular fundus examinations every six months, and currently, there are no major issues. However, I am a...
Dr. Gao Pilin Reply:
Hello, Hsuan: EYEHELP (EYE DROPS 0.01%) is a muscle relaxant, while Better EYE DROPS 0.5% is a short-acting mydriatic agent. Both are intended to help your eyes rest. Please use them according to your physician's instructions. Long-term use has minimal side effects. If you...[Read More] Understanding Eye Drops: Long-Term Effects and Emergency Care Tips
Understanding Short-Acting Mydriatics for Adults: Safety and Effects
Short-acting mydriatics for adults Due to my major, I've been staying up late staring at the computer to complete assignments. My glasses, which I got a year ago (left eye -3.25, right eye -1.75), have recently become ineffective, so I got a new prescription (left eye -3.50,...
Dr. Gao Pilin Reply:
Hello Mr. Zhou: Mydriatic agents have limited effectiveness in preventing myopia in adults, and short-acting mydriatics are generally less effective for myopia prevention, so they are not necessarily required. Additionally, long-term use does not necessarily induce glaucoma. The ...[Read More] Understanding Short-Acting Mydriatics for Adults: Safety and Effects
What Happens If You Overuse Atropine Eye Drops?
Repeated administration of mydriatic agents? I once forgot that I had already used a mydriatic agent and applied it again in the middle of the night. What will happen? I used Atropine 0.25%.
Dr. Gao Pilin Reply:
Hello, Atropine 0.25% has a low concentration, so it is not a concern; it simply enhances the effect. Please rest assured. Taiwan E-Hospital Puzi Hospital Ophthalmology: Monday to Friday from 8:00 AM to 12:00 PM and Wednesday from 1:00 PM to 4:30 PM. Online responses are for ...[Read More] What Happens If You Overuse Atropine Eye Drops?
Do You Really Need Long-Lasting Dilating Drops After Iritis?
Is it necessary to use a long-acting mydriatic agent after an episode of iritis? Hello Doctor: This week I experienced my first episode of iritis. On the day of my emergency treatment at the teaching hospital, I received an injection and was prescribed anti-inflammatory eye drops...
Dr. Gao Pilin Reply:
Hello Mr. Tsai: The purpose of mydriatic agents is to reduce pain and prevent pupil adhesion. Therefore, it is recommended to use them during an episode. Once the condition improves, you can stop using them. If the symptoms have already alleviated, after evaluation by a physician...[Read More] Do You Really Need Long-Lasting Dilating Drops After Iritis?
Understanding Floaters and Eye Exams During Pregnancy
Issues related to floaters and examinations during pregnancy? Hello Doctor, I have approximately 550 degrees of myopia in both eyes and have experienced floaters for several years. I undergo dilated fundus examinations annually. I'm not sure if I didn't notice it before...
Dr. Gao Pilin Reply:
Hello, Miss Hsu: The commonly used short-acting mydriatic agent in ophthalmology is tropicamide, which is classified as a Category C medication for pregnant women. Animal studies have shown adverse effects on the embryo (teratogenic or embryotoxic effects), but there have been no...[Read More] Understanding Floaters and Eye Exams During Pregnancy
Understanding Floaters: Key Questions and Eye Care Advice
Some questions about floaters and eye medication consultation? Hello Doctor, thank you for taking the time to answer my questions despite your busy schedule. I have a few concerns I would like to discuss with you: 1. I have floaters and have had a fundus examination at the hospi...
Dr. Cai Wenyuan Reply:
Hello, 1. Don't worry, regular check-ups are sufficient. 2. Given your age, the use of atropine is not recommended. 3. Given your age, the use of atropine is not recommended. 4. It may not necessarily be related. Wishing you peace and health. Sincerely, Dr. Tsai Wen-Yuan, Ch...[Read More] Understanding Floaters: Key Questions and Eye Care Advice
Understanding Eye Issues: Yellow Halo Sensation and Eye Conditions Explained
Eye problems Hello, doctor. I have a few questions: 1. When I close my eyes (in well-lit conditions), gently press on my eyeball and then move it slightly from side to side, I can perceive a sensation of yellow circles (I have been using a mydriatic agent). 2. What are the macula...
Dr. Cai Wenyuan Reply:
Hello, the macula is the most important part of the retina. Cataracts refer to the clouding of the lens. Thank you.[Read More] Understanding Eye Issues: Yellow Halo Sensation and Eye Conditions Explained
Understanding the Use of Mydriatic Agents in Pediatric Eye Care
The use of mydriatics? Dear Dr. Tsai, I have a question regarding my 9-year-old daughter. Today (February 24), she had a follow-up appointment at the ophthalmology clinic, and after dilation, it was found that her myopia has worsened (left eye from -5.00 to -12.50, right eye fro...
Dr. Cai Wenyuan Reply:
Hello, short-acting mydriatics have a specific duration of action, and they are generally used before bedtime. There is no better alternative method. Wishing you peace and health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Department of Ophthalmology, Taoyuan General Hospital,...[Read More] Understanding the Use of Mydriatic Agents in Pediatric Eye Care
Understanding the Duration of Pupil Dilation Effects from Eye Drops
Pupil Dilation Issues Due to experiencing floaters, I went to the hospital for an examination and received a dilating agent. By evening, my vision still feels blurry. I would like to know how long the effects of the dilating agent last.
Dr. Cai Wenyuan Reply:
Hello, the mydriatic agent commonly used for retinal examinations is of the short-acting type, with a duration of approximately 4 to 6 hours. Wishing you safety and health. Sincerely, Dr. Cai Wenyuan, Director of the Ophthalmology Department, Taoyuan Hospital, Ministry of Health ...[Read More] Understanding the Duration of Pupil Dilation Effects from Eye Drops
Understanding Glaucoma: Blurry Vision and Headaches After Eye Drops
Glaucoma issues This afternoon at 3 PM, I administered a dilating eye drop in my left eye, and I experienced some pain on the left side of my head. Now, after 10 PM, my left eye is still blurry. What could be the cause of this?
Dr. Cai Wenyuan Reply:
Hello: After the administration of mydriatic agents, vision may be blurred for 4 to 6 hours. Wishing you safety and health. Sincerely, Dr. Tsai Wen-Yuan, Chief of Ophthalmology, Taoyuan General Hospital, Ministry of Health and Welfare.[Read More] Understanding Glaucoma: Blurry Vision and Headaches After Eye Drops
Understanding Flashing Lights in Vision: Possible Causes and Concerns
A mass of something is flashing? Doctor, the issue is that initially, when I close my eyes, a blue mass appears in the center of my vision after a while. After a few months, this mass starts to flicker continuously, somewhat like a pulsing motion. It instantly disappears when I o...
Dr. Cai Wenyuan Reply:
Hello: The symptoms you described are not common and should not be related to the mydriatic agent. If examinations have confirmed that there are no issues, there is no need for concern; regular medical check-ups will suffice. Wishing you peace and health. Sincerely, Dr. Tsai Wen-...[Read More] Understanding Flashing Lights in Vision: Possible Causes and Concerns
Understanding the Importance and Frequency of Fundus Exams for Eye Health
What is the significance of a normal fundus examination and what is the appropriate frequency for it? Hello, Doctor. Regarding the fundus examination performed with mydriatic agents, theoretically, should I not need to worry too much about retinal diseases for about six months af...
Dr. Cai Wenyuan Reply:
To determine if there is high myopia, or based on what symptoms are present.[Read More] Understanding the Importance and Frequency of Fundus Exams for Eye Health
Understanding Cataracts and Glaucoma: Eye Care Tips and Treatment Options
Cataract, glaucoma Hello Doctor, I have been using a long-acting mydriatic agent (active ingredient: Atropine sulfate) for over a month. Today, I visited a clinic where the doctor recommended switching to a short-acting mydriatic (active ingredient: Tropicamide). He mentioned tha...
Dr. Cai Wenyuan Reply:
Long-acting mydriatics (active ingredient Atropine sulfate) do not necessarily cause cataracts; when used properly, they are considered relatively safe. Thank you.[Read More] Understanding Cataracts and Glaucoma: Eye Care Tips and Treatment Options
Why Your Pupils May Not Dilate After Multiple Eye Drops
I received dilating eye drops four times at the hospital, but my pupils did not dilate? Hello, doctor. Last time I was in Taiwan to get glasses, the optometrist mentioned that there seems to be an obstruction in my vision. I experience overlapping images, and I can only see the m...
Dr. Cai Wenyuan Reply:
There are many reasons why the pupils may not dilate after the administration of mydriatic agents. Common causes include pupillary adhesions, the use of sympathomimetic medications, diabetes, and others. It is still advisable to seek medical evaluation for proper assessment.[Read More] Why Your Pupils May Not Dilate After Multiple Eye Drops
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
Can Patients with Suspected Glaucoma Safely Undergo Dilated Fundus Examination?
Can a suspected glaucoma patient undergo dilated fundus examination for retinal detachment? Dear Director Gao, I am currently 27 years old and have over 500 degrees of myopia in both eyes. I previously underwent a glaucoma examination, and since both the intraocular pressure and...
Dr. Gao Pilin Reply:
Hello: If it is not angle-closure glaucoma, dilation of the pupils does not necessarily lead to acute glaucoma. After the examination, please check the intraocular pressure; if it is indeed elevated, there are treatment options available. There is no need to worry too much. A det...[Read More] Can Patients with Suspected Glaucoma Safely Undergo Dilated Fundus Examination?
Is Seeing Rainbow Rings Around Lights After Dilation Normal?
After a dilated eye examination, seeing a halo of rainbow colors around lights? Experiencing a halo of rainbow colors around lights after undergoing dilation during an eye exam is a common phenomenon and typically resolves within a day, as you described. This is generally conside...
Dr. Gao Pilin Reply:
Dear confused student: If you are experiencing this situation, it is important to check if it might be related to high intraocular pressure. The next time you see a rainbow, you should measure your intraocular pressure and discuss it with your ophthalmologist before using any myd...[Read More] Is Seeing Rainbow Rings Around Lights After Dilation Normal?
Can Atropine Sulfate Reduce My Eye Prescription Before a Vision Test?
Results after the administration of mydriatic agents? Hello Doctor, I am preparing to apply for the National Chung Cheng University Preparatory School, and the vision requirements are as follows: if my myopia is -3.00 diopters with astigmatism of -1.50 diopters, I need to halve t...
Dr. Gao Pilin Reply:
Hello Mr. Yu: Mydriatic agents can reduce some myopia caused by excessive contraction of the ciliary muscle. However, the effect is limited. I cannot guarantee that your prescription will reach the standard after using the medication. If you want to be certain, you can visit an o...[Read More] Can Atropine Sulfate Reduce My Eye Prescription Before a Vision Test?