Pupil, Ophthalmology FAQ - Page 3

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Understanding Eye Flashes and Their Possible Causes: When to Seek Help

I inquired about the meteorological conditions some time ago? A few days ago, I inquired about the sensation of shooting stars around my eyes. The frequency of these occurrences has decreased over the past few days, but occasionally I notice a bright spot in the corner of my eye ...


Dr. Gao Pilin Reply:
Hello: 1. Flashes and floaters: The sensation of flashes and floaters may be related to changes in the vitreous body, such as vitreous traction or vitreous opacities. These symptoms may occasionally occur, but if you notice a significant increase in their frequency or if they per...

[Read More] Understanding Eye Flashes and Their Possible Causes: When to Seek Help


Can Ciliary Muscle Tension and Pain Occur in One Eye Only?

Tightness and fullness in the right eye socket? Is it possible for the ciliary muscle tension and pain to occur in only one eye? (With normal intraocular pressure)


Dr. Gao Pilin Reply:
Hello: Ciliary muscle tension and discomfort typically do not occur in just one eye, but it is still possible for one eye to be affected. The ciliary muscle is a muscle in the eye responsible for controlling the size of the pupil and regulating the amount of light entering the ey...

[Read More] Can Ciliary Muscle Tension and Pain Occur in One Eye Only?


Can Ciliary Muscle Tension Occur in Just One Eye?

Tightness and fullness in the right eye socket? Is it possible for ciliary muscle tension and pain to occur in just one eye? (With normal intraocular pressure)


Dr. Gao Pilin Reply:
Hello: Ciliary muscle tension and discomfort typically do not occur in just one eye, but it is still possible for one eye to be affected. The ciliary muscle is a muscle in the eye responsible for controlling the size of the pupil and regulating the amount of light entering the ey...

[Read More] Can Ciliary Muscle Tension Occur in Just One Eye?


Understanding Light Rings in Vision: Causes and Concerns

Seeing halos when closing the eyes? Hello Dr. Gao, A few days ago, I asked a question (<a href="https://adoctor.tw/article/200693">#200693</a>), and following your advice, I quickly scheduled an appointment with a retinal specialist at the hospital for a di...


Dr. Gao Pilin Reply:
Hello: The phenomenon of seeing halos when moving your eyes may be related to certain physiological or optical effects of the eyes, and is usually not indicative of issues with the retina or optic nerve. Here are some factors that may explain this situation: 1. High Myopia: You...

[Read More] Understanding Light Rings in Vision: Causes and Concerns


Understanding Eye Degeneration: Symptoms and Concerns Explained

Ocular degeneration Hello, Doctor: I would like to ask about my condition. I have floaters (black spots, etc.) and presbyopia. Recently, I noticed that the color of the ring between my pupil and the sclera (is it called the 'iris'?) seems to be fading, becoming a bit li...


Dr. Gao Pilin Reply:
Hello: Iris depigmentation is a process characterized by the thinning of pigment in the iris. This can lead to a lighter iris color, or even a white appearance. There are several causes of iris depigmentation, including: 1. Age: As individuals age, the number of pigment cells in ...

[Read More] Understanding Eye Degeneration: Symptoms and Concerns Explained


Understanding Cataracts: Are Your Eye Symptoms Related?

Cataracts in the eyes Hello, Doctor: I would like to ask about my condition. I have floaters (dark spots, etc.) and presbyopia. Recently, I noticed that the color of the ring between my pupil and the sclera (is it called the 'iris'?) seems to be fading, becoming a bit l...


Dr. Cai Wenyuan Reply:
It is likely not cataracts; it is recommended to seek medical examination.

[Read More] Understanding Cataracts: Are Your Eye Symptoms Related?


Understanding Corneal Scarring and Pupil Dilation After Eye Surgery

Corneal haze and mydriasis? Fifteen years ago, after undergoing cataract surgery on the right eye, retinal detachment occurred within a week due to high myopia, leading to a scleral buckle procedure. Since then, regular follow-up examinations every six months have shown no issues...


Dr. Cai Wenyuan Reply:
Observe the symptoms, and if they persist, seek medical evaluation.

[Read More] Understanding Corneal Scarring and Pupil Dilation After Eye Surgery


Understanding Corneal Neovascularization: Can Reducing Contact Lens Use Help?

Vascular proliferation I visited an ophthalmologist due to a suspected stye, and after the doctor explained with photos, I learned that the blood vessels have proliferated to halfway across my cornea (the eyeball). The doctor advised against continuing to wear contact lenses, sta...


Dr. Cai Wenyuan Reply:
It is recommended to reduce the duration of contact lens use to prevent worsening of the condition.

[Read More] Understanding Corneal Neovascularization: Can Reducing Contact Lens Use Help?


Post-Surgery Pupil Dilation: Recovery Time and Treatment Options

Postoperative mydriasis with inability to constrict the pupil? Hello Doctor: It has been ten days since my cataract surgery. I started using dilating drops a week before the surgery (morning and evening), and the hospital administered the drops over ten times on the day of the su...


Dr. Cai Wenyuan Reply:
Observe the symptoms, and if they persist, seek medical evaluation.

[Read More] Post-Surgery Pupil Dilation: Recovery Time and Treatment Options


Understanding Multiple Retinal Detachment Surgeries and Recovery Challenges

Multiple surgeries for retinal detachment? Hello Dr. Liang, I have a vision of 575 in my left eye and 525 in my right eye, and I am 38 years old. On June 21, I was referred from a clinic to a regional hospital due to a retinal detachment in my left eye (extending to the macula)....


Dr. Liang Ce Reply:
Recommendations: 1. Discuss the above situation further with your attending physician. 2. Alternatively, seek consultation at another ophthalmology medical facility. Thank you. Wishing you good health!

[Read More] Understanding Multiple Retinal Detachment Surgeries and Recovery Challenges


Understanding Strabismus: Symptoms, Types, and Treatment Options

Strabismus issues? Hello, doctor. Recently, I've noticed some differences in my eyes compared to before, and I'm unsure if it might be strabismus. 1. When I close my right eye and focus on an object with my right eye open, I notice that the pupil of my left eye is posit...


Dr. Gao Pilin Reply:
Hello: 1. Based on your description, when you close one eye and focus on an object, the pupil of the other eye may be positioned abnormally. This could be a sign of latent strabismus. 2. It is also possible that when looking at nearby objects, there is insufficient convergence, c...

[Read More] Understanding Strabismus: Symptoms, Types, and Treatment Options


Understanding Visual Distortions: Causes and Effects on Eye Health

Phantom image above the object? Dear Dr. Gao, happy Dragon Boat Festival! I have a question: after reading, when I look away, I notice that the upper edge of objects appears to have an elongated shadow, or there are long light streaks at the 12 o'clock position of an LED lig...


Dr. Gao Pilin Reply:
Hello: After prolonged reading or staring at objects, temporary visual phenomena may occur, such as the extension of shadows at the edges of objects or streaks from LED light sources. This is usually caused by eye fatigue and changes in visual adaptation, rather than necessarily ...

[Read More] Understanding Visual Distortions: Causes and Effects on Eye Health


Understanding Pupil Dilation Effects During Retinal Exams

Fundus examination using mydriatic agents? Hello, doctor. I would like to ask a couple of questions. Today, I had a retinal examination that involved the use of dilating drops. 1. How long does it typically take for the effects of the dilation to wear off? It has been about 6 h...


Dr. Liang Ce Reply:
Recommendations: 1. Discuss the above situation further with your attending physician. 2. Alternatively, consult with another ophthalmology medical facility. Thank you. Wishing you good health!

[Read More] Understanding Pupil Dilation Effects During Retinal Exams


Understanding Pupil Dilation Effects and Eye Health Concerns After Fundus Exam

Fundus examination using mydriatic agents? Hello, doctor. I would like to ask a couple of questions regarding my recent eye examination where dilating drops were used. 1. How long does it typically take for the effects of dilation to wear off? It has been about 6 hours, and I s...


Dr. Liang Ce Reply:
Recommendations: 1. Discuss the above situation further with your attending physician. 2. Alternatively, consult with another ophthalmology medical facility. Thank you. Wishing you good health!

[Read More] Understanding Pupil Dilation Effects and Eye Health Concerns After Fundus Exam


Understanding Heavy Eyelids: When to Consult an Eye Specialist

Heavy eyelids, eye medication consultation? This morning, after waking up, I felt heaviness in my right eyelid, and I kept wanting to close it. When I looked closely, the text appeared blurry in my right eye and it was difficult to focus, but there were no issues with my distance...


Dr. Gao Pilin Reply:
Hello: The right eye has difficulty focusing on text, appears blurry, and there are no issues with distant vision. Additionally, the eye cannot fully open, which may be a symptom of third cranial nerve dysfunction. Dysfunction of the third cranial nerve can lead to the inability ...

[Read More] Understanding Heavy Eyelids: When to Consult an Eye Specialist


Does Blinking Reset Your Focus? Insights from an Eye Specialist

Does each blink refocus the eyes? Dear Dr. Gao: Does the eye refocus every time we blink? Recently, when I read, I notice that the words seem to shake slightly, similar to a camera refocusing, which makes reading more tiring than before. Therefore, I would like to ask Dr. Gao i...


Dr. Gao Pilin Reply:
Hello: Each time you blink, your eyes do not completely refocus, but blinking can indeed cause your vision to become slightly blurry. Blinking helps to moisten and protect the surface of the eyes, while also aiding in the removal of dust and other particles from the eyes. The siz...

[Read More] Does Blinking Reset Your Focus? Insights from an Eye Specialist


Unnatural Increase in Brightness: Eye Health Concerns Explained

The brightness of the scene is unnaturally increased? Hello, Dr. Gao. My symptoms include experiencing a gradual increase in brightness when I open my eyes and focus after waking up in the morning or after resting, similar to the effect of pupil dilation. Both eyes exhibit the sa...


Dr. Gao Pilin Reply:
Hello: This phenomenon may be related to your pupillary response and the regulatory mechanisms between your eyes and brain. The size of the pupil is controlled by the pupillary muscles in the eye, which adjust the amount of light entering. When you first wake up or when your eyes...

[Read More] Unnatural Increase in Brightness: Eye Health Concerns Explained


Importance of Regular Eye Exams: Understanding Procedures and Concerns

Regular eye examinations? Hello, Doctor. I have approximately 700 degrees of myopia, some mild presbyopia, and floaters. Since the year before last, I have been going to an ophthalmology clinic for regular check-ups every year. Each time, I undergo vision tests, intraocular press...


Dr. Gao Pilin Reply:
Hello: Turning off the lights to examine the fundus can make it easier for ophthalmologists to observe the details of the retina, but whether the lights are on or off usually does not significantly affect the examination results. This is because ophthalmologists typically use spe...

[Read More] Importance of Regular Eye Exams: Understanding Procedures and Concerns


When to See an Eye Doctor After Accidentally Hitting Your Eye

Accidentally rubbed the eye? Hello, Doctor Gao. Yesterday, while turning in my sleep, I accidentally poked my right eye. I would like to know under what circumstances I should visit an ophthalmologist. I don't want to waste medical resources, especially since I just had a fo...


Dr. Gao Pilin Reply:
Hello: If you experience the following conditions after poking your eye, it is advisable to seek ophthalmologic care as soon as possible: 1. Persistent eye pain, burning, or stinging sensations that do not diminish, or increasing intensity of eye pain. 2. Redness and swelling of ...

[Read More] When to See an Eye Doctor After Accidentally Hitting Your Eye


Differences Between In-Hospital and At-Home Pupil Dilation for Kids

Questions related to the use of dilating agents in pediatric strabismus examination? What is the difference between instilling a dilating agent three times at the hospital and using it at home before bedtime for a week? My child has been diagnosed with esotropia and has been rece...


Dr. Cai Wenyuan Reply:
It should be determined based on the needs.

[Read More] Differences Between In-Hospital and At-Home Pupil Dilation for Kids


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