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?
Understanding Suspected Glaucoma: Symptoms, Diagnosis, and Anxiety
Suspected glaucoma Hello Doctor: In May, I went to a clinic because I noticed something black in my vision and, after researching online, I was worried it might be a retinal detachment. The doctor dilated my pupils and said there was no detachment, but he found some degeneration ...
Dr. He Jianxian Reply:
Glaucoma and blindness are not synonymous! Even if you have glaucoma, there are many pharmacological and non-pharmacological treatments available. Additionally, you have not yet been diagnosed with glaucoma, so regular monitoring is sufficient; there's no need to worry too m...[Read More] Understanding Suspected Glaucoma: Symptoms, Diagnosis, and Anxiety
Understanding Unilateral Eye Pain: Causes, Symptoms, and Treatment Options
Unilateral eye pain? Hello, doctor. I am currently a graduate student preparing for my oral defense and I have been experiencing floaters. When looking at a white piece of paper, the blank areas are filled with moving black dots, similar to the static on a television screen. Addi...
Dr. Chen Anping Reply:
1. Due to binocular disparity, prolonged eye use can lead to fatigue. 2. 95% of cases of floaters are benign, but it is still important to see a doctor early for a thorough examination of the retina. 3. Replacing glasses will not improve this condition.[Read More] Understanding Unilateral Eye Pain: Causes, Symptoms, and Treatment Options
Does Incorrect Glasses Prescription Worsen Myopia? Expert Insights
Issues with prescription glasses? Is it true that insufficient prescription glasses or blurry lenses can worsen myopia? Secondly, if I suspect that I have pseudomyopia, is it better to wait a while before getting new glasses?
Dr. Gao Pilin Reply:
Hello: Insufficient prescription can lead to unclear vision, but myopia should not increase. Lens wear can cause more eye fatigue. You can use a cycloplegic agent to dilate the pupils and then check the prescription to rule out pseudomyopia. In Taiwan, the ophthalmology departmen...[Read More] Does Incorrect Glasses Prescription Worsen Myopia? Expert Insights
Understanding Flashing Lights in the Center of Your Vision: Causes and Concerns
Retinal floaters I have floaters and undergo regular check-ups (just had my pupils dilated during winter break). A few days ago, after taking a shower, I noticed that whenever I blink my left eye, a bright spot appears in the center of my vision and quickly disappears. No matter ...
Dr. He Jianxian Reply:
I recommend that you have a dilated eye exam with an ophthalmologist for peace of mind![Read More] Understanding Flashing Lights in the Center of Your Vision: Causes and Concerns
Understanding Sudden Vision Distortions: Seeking Answers and Treatment
Sudden changes in vision. Seeking clarification and medical solutions? Hello Dr. Wang, About a week ago, I suddenly noticed that there were lines appearing in the parallel lines of the TV cabinet and ceiling in my living room. There was a line below that tilted to the right. The...
Dr. Wang Zhishun Reply:
Hello: I suggest you visit the ophthalmology department at a medical center for an examination. Some types of strabismus require special tests for easier detection. (PS. I currently do not have outpatient services at Yang Ming/Chung Shan Medical University.)[Read More] Understanding Sudden Vision Distortions: Seeking Answers and Treatment
Understanding Pupil Dilation: When to Seek Medical Attention
Pupil dilation situation Doctor, I apologize for the interruption. I would like to ask a question. Currently, a pharmacy student was preparing a prescription with Chinese herbal medicine and forgot to wash their hands. After experiencing itchy eyes, they rubbed their eyes and not...
Dr. Wang Zhishun Reply:
If the pupil dilation is caused by medication, it should return to normal after the drug is metabolized.[Read More] Understanding Pupil Dilation: When to Seek Medical Attention
Understanding Retinal Detachment: Symptoms and Treatment Options
Retinal tear Two months ago, I experienced a small retinal detachment. The doctor said it was treated with laser and that surgery was not necessary. One detachment was at the upper edge and the other at the lower left, but it did not reach the macula. Since there was no surgery t...
Dr. Wang Zhishun Reply:
It is recommended to perform an OCT (Optical Coherence Tomography) scan, as there may be superficial fluid accumulation.[Read More] Understanding Retinal Detachment: Symptoms and Treatment Options
Are Off-Center Pupils Normal? Understanding Pupil Constriction
Pupil constriction location Hello, doctor. I would like to ask you, when a normal person's pupils constrict, do they remain centered? Because today, when I looked in the mirror and was illuminated by a flashlight, I noticed that my right pupil, after constriction, was positi...
Dr. Wang Zhishun Reply:
Hello, that's normal. You are very observant.[Read More] Are Off-Center Pupils Normal? Understanding Pupil Constriction
Why Do My Eyes Move When I'm Sleepy? Understanding Eye Movement
When I want to sleep, my eyes move involuntarily? Is it normal for my eyes to move when I feel sleepy? Recently, I've noticed that when I'm trying to sleep and can't concentrate, my pupils dilate and my eyes seem to drift outward a bit. Is this normal, or could it ...
Dr. Wang Zhishun Reply:
During normal rest, the eyes are indeed directed outward. It is best to have a doctor examine any strabismus to determine the underlying issue.[Read More] Why Do My Eyes Move When I'm Sleepy? Understanding Eye Movement
Understanding Flat Nevi Around the Eye: Risks and Treatment Options
There is a flat nevus on the eye? Doctor, I have a flat mole over 0.1 cm around the pupil of my left eye, along with three smaller black spots, each less than 0.1 cm, but not near the pupil. I had laser surgery six years ago; could these be related to the laser treatment or possi...
Dr. Wang Zhishun Reply:
Hello, are you referring to the area around the sclera or the area around the pupil? If it's the former, if there is enlargement or darkening, surgery may be considered. If it's the latter, it should not be visible to the naked eye; if it is noticeable, a comprehensive ...[Read More] Understanding Flat Nevi Around the Eye: Risks and Treatment Options
Delayed Pupil Constriction After Retinal Detachment Surgery: What to Expect
Pupil non-constriction after retinal detachment surgery? Hello, I underwent scleral buckle surgery for retinal detachment three weeks ago and was face down for 18 days until the gas dissipated. It has been 22 days, and my pupil has not constricted yet (I was hospitalized for 6 da...
Dr. Wang Zhishun Reply:
Hello, this really just requires time. If the intraocular pressure is not high, a slow reduction should be fine.[Read More] Delayed Pupil Constriction After Retinal Detachment Surgery: What to Expect
Understanding Eye Flickering: Symptoms, Causes, and When to Seek Help
There is a strong sensation of flickering in the eyes? 1. About three weeks ago, I suddenly noticed black and white spots flashing in my vision, similar to a malfunctioning television. 2. A translucent floaters appeared in my left eye. 3. Occasionally, my right eye feels like i...
Dr. Gao Pilin Reply:
Hello, Student Lin: You may consider getting a check-up at another ophthalmology clinic. If there are no issues, you should be able to feel at ease. The ophthalmology department at Puzi Hospital in Taiwan is open Monday to Friday from 8:00 AM to 12:00 PM and Wednesday afternoons ...[Read More] Understanding Eye Flickering: Symptoms, Causes, and When to Seek Help
Understanding Eye Floaters: When to Worry and What to Expect
The eye doctor said there are no issues after examining the fundus? Hello Doctor, I had a follow-up appointment at Kaohsiung Eye Hospital last week (I underwent retinal laser reinforcement in my left eye seven years ago). As I work in digital art and spend long hours in front of ...
Dr. Wang Zhishun Reply:
Hello, if the examination results are normal and there are no issues, factors such as pupil size, fatigue, or dry eyes may be related. Next time, please ask the doctor to pay attention to these aspects.[Read More] Understanding Eye Floaters: When to Worry and What to Expect
Understanding Light Sensitivity: Does Astigmatism Cause Photophobia?
Photophobia Hello, Doctor. 1. Can astigmatism cause light sensitivity? I have astigmatism close to 300 degrees. I don't experience sensitivity to regular lights, but whenever I look at the sky, even when the sun isn't out, my eyes struggle to open. It takes a moment f...
Dr. Gao Pilin Reply:
Hello, regarding astigmatism, it is generally not related to photophobia. Some individuals may be more sensitive to light or have larger pupils, which can contribute to light sensitivity. Additionally, dry or inflamed eyes can also lead to photophobia. The Ophthalmology Departmen...[Read More] Understanding Light Sensitivity: Does Astigmatism Cause Photophobia?
Understanding Eye Issues: Floaters, Flashing Lights, and Myopia Concerns
High myopia eye problems? Hello Doctor, I have floaters (about five in each eye), with myopia of -1025 degrees in my left eye and -950 degrees in my right eye. My myopia has not worsened since I turned 18. Question (1): Every night after turning off the lights, about five minut...
Dr. Gao Pilin Reply:
Hello, A-Jun: Your condition seems to be a type of degeneration of the vitreous and retina. It is recommended that you undergo a dilated eye examination at an ophthalmology clinic for peace of mind. The ophthalmology department at Puzi Hospital in Taiwan is open Monday to Friday ...[Read More] Understanding Eye Issues: Floaters, Flashing Lights, and Myopia Concerns
Why Wearing Contact Lenses Can Cause Dizziness When Using Microscopes
Wearing contact lenses while using a microscope can cause dizziness? Hello, due to work requirements, I sometimes need to look at the microscope for extended periods. Recently, I have noticed that if I look down at the microscope for more than 20 minutes, I start to feel dizzy an...
Dr. Gao Pilin Reply:
Hello, Xiao Wei: Actually, if both contact lenses are fitted correctly, there should be no difference when using a microscope, as you will use the adjustment knob to achieve the correct focal distance. However, do not adjust it to be too clear, as this would effectively increase ...[Read More] Why Wearing Contact Lenses Can Cause Dizziness When Using Microscopes
Understanding Laser Eye Surgery: Recovery, Symptoms, and Aftercare
Laser perforation 1. Is it normal for vision to be a bit blurry after laser eye surgery on the seventh day? How many days does it typically take for the blurriness to improve? 2. Will floaters still be present after laser surgery? Do they usually increase in number or remain th...
Dr. Gao Pilin Reply:
Hello, 1. If the pupils are still dilated, it may cause blurriness. If the pupils are normal, there should be no blurriness; please visit an ophthalmologist for further examination. 2. There should not be any significant changes, although there may be a slight increase at time...[Read More] Understanding Laser Eye Surgery: Recovery, Symptoms, and Aftercare