Pupil, Ophthalmology FAQ - Page 14

Share to:
Do You Need Pupil Dilation for New Glasses at 22?

Is dilation necessary for an eye exam when getting glasses? I am currently 22 years old and my prescription has increased. Do I need to undergo dilation for my glasses fitting? I have been wearing multifocal lenses for 6 years. Is it advisable to get new glasses with multifocal l...


Dr. Cai Wenyuan Reply:
Hello, is dilation necessary for an eye exam when getting glasses? It would be best. Thank you.

[Read More] Do You Need Pupil Dilation for New Glasses at 22?


Understanding OCT and Pupil Dilation: Key Differences and Concerns

Does OCT require dilation for examination? 1. What are the differences between OCT examination, dilated examination, and undilated examination? 2. At Hospital A, I was administered dilating eye drops and waited for 40 minutes, receiving the drops twice, but my pupils did not di...


Dr. Gao Pilin Reply:
Hello, Yuehua: 1. Pupil dilation examinations are relatively easy, and the results should be clearer. 2. Sometimes the response is slower, and different medications can have varying effects. 3. Occasionally, there may be slight corneal edema, which is not necessarily indicati...

[Read More] Understanding OCT and Pupil Dilation: Key Differences and Concerns


Understanding Spider Web-like Growths in Your Eyes: What You Need to Know

Eye problems I would like to ask the doctor, a few days ago I went to an optical shop for an eye exam. The technician who performed the computerized refraction mentioned that there is a spider web-like proliferation on my pupils. However, I don't notice any lines in my visio...


Dr. Cai Wenyuan Reply:
Hello, it is recommended to seek medical examination. Wishing you peace and health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan Hospital, Ministry of Health and Welfare.

[Read More] Understanding Spider Web-like Growths in Your Eyes: What You Need to Know


Persistent Uveitis Symptoms: Seeking Stronger Treatment Options

After more than a week without improvement? Hello, I am currently studying abroad. Two weeks ago, I had a sudden flare-up of iritis, and I have a history of this condition. I brought my own dilating drops and 1% Alcon steroid. When the flare-up lasted for three days without impro...


Dr. Gao Pilin Reply:
Dear Ms. Chen, Your vision may be unclear temporarily due to dilated pupils. The pupils will gradually return to normal once the atropine is no longer used. If there is no redness or pain, it should be in the process of resolving. Please continue to follow up with your ophthalmo...

[Read More] Persistent Uveitis Symptoms: Seeking Stronger Treatment Options


Understanding Severe Eye Injury: Insights on Vision Loss and Treatment Options

Before and after the suturing surgery for the left eye globe laceration, there was no light perception in the left eye? Description: 28 days ago, I suffered a traumatic injury to my left eye and was taken to Kaohsiung Veterans General Hospital for ocular globe suturing surgery. B...


Dr. Cai Wenyuan Reply:
Hello, I apologize for the lengthy response, but my ability to assist you is limited. Based on your description, I do not have any other good suggestions. Kaohsiung Veterans General Hospital is quite large, and it may be sufficient for you to seek medical care locally. Wishing yo...

[Read More] Understanding Severe Eye Injury: Insights on Vision Loss and Treatment Options


Understanding Macular Issues: Symptoms, Diagnosis, and Eye Health Concerns

Macular issues Hello Doctor: My left and right eye prescriptions are -8.00 and -8.25, with a flash sensitivity of around 300. I have been regularly visiting an ophthalmologist for check-ups. Besides having elevated intraocular pressure for which I am using eye drops, I was recent...


Dr. He Jianxian Reply:
1. If you have been examined and confirmed that there are no issues, there is no need to worry too much. 2. The macula is usually very sensitive; if there is a problem, you can generally sense it yourself, but it may not always be detectable during an examination. 3. Pupil di...

[Read More] Understanding Macular Issues: Symptoms, Diagnosis, and Eye Health Concerns


Post-Retinal Detachment Surgery: Common Concerns and Recovery Insights

Postoperative issues following retinal detachment surgery? 1. I underwent a left eye scleral buckle surgery and cryotherapy at Linkou Chang Gung Memorial Hospital on March 7th, and it has been almost two weeks post-operation. I had a follow-up appointment on March 13th, where the...


Dr. He Jianxian Reply:
Pupil-dilating agents have two functions: one is to alleviate the discomfort caused by postoperative ciliary muscle contraction, and the second is to enhance the convenience of retinal examination. However, some discomfort is inevitable.

[Read More] Post-Retinal Detachment Surgery: Common Concerns and Recovery Insights


Understanding Retinal Issues: Questions After Eye Trauma and Laser Treatment

Retinal issues? Hello, Dr. Tsai! Recently, my eye suffered an injury (impact), and afterward, I started seeing flashes of light in my peripheral vision that seem to move (sometimes from top to bottom, and sometimes from bottom to top). I went to an ophthalmology clinic where the ...


Dr. Cai Wenyuan Reply:
Hello, 1. Not necessarily. 2. It should not be related to the laser. 3. Not always. 4. If there is a hole, laser treatment can be performed again. 5. Regular medical check-ups are recommended. You can engage in computer work. 6. Wishing you peace, health, and well-being. Sincerel...

[Read More] Understanding Retinal Issues: Questions After Eye Trauma and Laser Treatment


Common Eye Care Questions: Health Insurance Coverage and Treatment Concerns

Some questions and issues regarding health insurance coverage? Hello, Doctor. I would like to ask a few questions: 1. A few days ago, an eyelash fell onto my eyeball. At first, I was a bit anxious and tried to use a cotton swab to remove it. Could this cause any harm to my eye ...


Dr. Cai Wenyuan Reply:
Hello, I was a bit anxious and tried to use a cotton swab to remove it, which could potentially harm my eyes. The hospital has scheduled an OCT and visual field examination soon. I am unsure if this will result in needing to pay out of pocket for the OCT examination later. If the...

[Read More] Common Eye Care Questions: Health Insurance Coverage and Treatment Concerns


Understanding Pupil Dilation: How Long for Accurate Eye Exams?

Pupil Dilation Issues Hello! I have a question regarding dilation. My son went to the ophthalmology clinic today for an eye examination. His original prescription was -3.25 and -3.50 (astigmatism +0.50 and +1.00). Before dilation, he wore his glasses and his vision was 20/20. Aft...


Dr. Gao Pilin Reply:
Hello Mr. Chen: Pupil dilation is actually intended to prevent the ciliary muscle from contracting. The effects can vary from person to person, and the duration may also differ. Each refractor may have slight variations as well. Based on your vision and prescription, it seems tha...

[Read More] Understanding Pupil Dilation: How Long for Accurate Eye Exams?


Understanding Prolonged Pupil Dilation: Causes and Concerns

Pupil dilation I underwent two dilated eye examinations within a week. After the first dilation, my vision returned to normal the next day. However, after the second dilation, it has been two weeks and I still have not recovered. The doctor mentioned that my pupils respond normal...


Dr. Cai Wenyuan Reply:
Hello, I have noticed that my dilation is more severe after wearing clear contact lenses. Why is this the case? It may require a medical examination to find out. Wishing you peace and health, Dr. Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan General Hospital, M...

[Read More] Understanding Prolonged Pupil Dilation: Causes and Concerns


Do Contact Lenses Cause Pupil Dilation? Understanding Eye Health Concerns

Pupil dilation after wearing contact lenses? Recently, my eyes have been drier, so I've reduced the frequency of wearing contact lenses. I felt a bit better over the past couple of days and started wearing them again, but I noticed that my pupils seem slightly larger than us...


Dr. Cai Wenyuan Reply:
Hello, it should not be. Wishing you peace and good health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Department of Ophthalmology, Taoyuan General Hospital, Ministry of Health and Welfare.

[Read More] Do Contact Lenses Cause Pupil Dilation? Understanding Eye Health Concerns


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 Eye Pain and Right-Sided Headaches: Causes and Solutions

Eye pain accompanied by right frontal and right-sided headache? Hello Doctor, I would like to ask about an issue I have. Whenever I try to concentrate, my right eye feels like the pupil is dilating, and I experience tension in the nerves, accompanied by pain in the right forehead...


Dr. Cai Wenyuan Reply:
Hello: You can first consult an ophthalmologist, and if necessary, then see a neurologist. Wishing you safety and health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan General Hospital, Ministry of Health and Welfare.

[Read More] Understanding Eye Pain and Right-Sided Headaches: Causes and Solutions


Understanding Fluctuating Vision: Causes and Solutions for Eye Health

Misjudgment of eye prescription and concern about the increase in the degree of myopia? Hello Doctor, I am nearly 34 years old this year. Since childhood, my family strictly limited my reading, writing, and television viewing distances. During fifth and sixth grade, when I love...


Dr. Cai Wenyuan Reply:
Hello, I believe your issue is not serious. I recommend visiting a medical center for a check-up. Wishing you peace and good health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan Hospital, Ministry of Health and Welfare.

[Read More] Understanding Fluctuating Vision: Causes and Solutions for Eye Health


Understanding Anisocoria: Beyond Pupil Size with Effective Solutions

Anisocoria After examinations at Chang Gung Memorial Hospital and En Chu Kong Hospital, it was confirmed that there is anisocoria (unequal pupil size). Is using a miotic agent the only method available? Are there other solutions that address the root cause rather than just treati...


Dr. Gao Pilin Reply:
Hello Ms. Chen: Unequal pupil size, also known as anisocoria, is often associated with certain syndromes, neurological issues, or can be a congenital condition. I believe the doctors at the hospital have explained this to you as well. Treatment for unequal pupil size should targe...

[Read More] Understanding Anisocoria: Beyond Pupil Size with Effective Solutions


Concerns About Eye Damage After Laser Spot Removal Without Goggles

Not wearing protective goggles during laser spot removal? Hello, I would like to ask about a laser treatment for spot removal I had two weeks ago. During the procedure, I did not wear protective goggles, and the closest points to my eyes were at the temples and above the eyebrows...


Dr. Gao Pilin Reply:
Hello JJ: If the doctor did not require you to wear protective goggles, there should generally be no cause for concern. If there is any damage, it could affect your vision. If you do not have any symptoms, you can simply monitor the situation. However, if you notice any changes i...

[Read More] Concerns About Eye Damage After Laser Spot Removal Without Goggles


Understanding Eye Pressure and Its Impact on Vision Health

Intraocular pressure and optic nerve? Hello, doctor. I have high myopia around -9.00. 1. Recently, I've been feeling something unusual around my eyes, and at night, things appear particularly bright. Is this a problem with my optic nerve? 2. If I have high myopia along with ...


Dr. Gao Pilin Reply:
Hello, Xiao Chen: 1. Sometimes when intraocular pressure is high, you may see halos around lights, which could also be due to dilated pupils, making you more sensitive to light. 2. Prolonged high intraocular pressure can lead to nerve damage, resulting in glaucoma. 3. Most ge...

[Read More] Understanding Eye Pressure and Its Impact on Vision Health


Understanding Black Spots in Vision: Causes and Solutions for Eye Issues

When looking at a light bulb or small reflective surfaces, there are large dark spots obscuring vision? Hello, doctor. I am glad to have found this excellent website during this helpless time. I have floaters, astigmatism of 50 and 100, and my myopia is -4.50 and -5.50. Around th...


Dr. Gao Pilin Reply:
Hello, Based on your description, it seems to resemble the symptoms of floaters. The dilated eye exam showed no issues, so there is essentially no need to worry, as such symptoms typically do not affect vision over time. It’s advisable to avoid using your phone in the dark, alt...

[Read More] Understanding Black Spots in Vision: Causes and Solutions for Eye Issues


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


Previous|Page Next