Pupil, Ophthalmology FAQ - Page 20

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Military Service Medical Evaluation: Eye Injury and Alternative Duty

Military service physical examination issues? Hello, I am a senior student and recently received a health examination notice. I sustained an eye injury in elementary school, which caused my pupil to be stuck and unable to constrict normally. The doctor at Chang Gung Hospital prov...


Dr. Ke Meilan Reply:
Hello: Please first obtain the diagnosis and vision certificate from the ophthalmologist, and then bring it to the military service office. Sincerely, Dr. Mei-Lan Ke, Chief of Ophthalmology.

[Read More] Military Service Medical Evaluation: Eye Injury and Alternative Duty


Understanding Corneal Edema in Children: Causes, Risks, and Recovery

Corneal edema Hello, doctor: A 5-year-old child was accidentally shot in the eye with a BB gun while playing in the park last week, resulting in corneal edema, with the swollen area covering about 1/4 of the pupil and vision approximately 0.4. There is also epithelial tissue loss...


Dr. Liu Jingxian Reply:
Hello, Miss: The powerful impact of a BB pellet can cause varying degrees of eye injury. Generally, external trauma to the eyeball can lead to serious conditions such as corneal laceration, scleral laceration (or both), hyphema, traumatic cataract, vitreous hemorrhage, traumatic ...

[Read More] Understanding Corneal Edema in Children: Causes, Risks, and Recovery


Understanding Upward Strabismus: Causes and Treatment Options

Strabismus with upward deviation of the eye? Hello doctor, I noticed in the mirror that my pupils are significantly positioned upwards, exposing a lot of the sclera below, which is referred to as "scleral show." This seems to have developed later in life, as I did not h...


Dr. Liu Jingxian Reply:
Hello, Sir: Based on your description, the possible issues can be explored in two parts: First, when the eyeball is in a normal position, you may observe that the eyeball appears to be turned upward, which is referred to as vertical strabismus. If this condition has developed lat...

[Read More] Understanding Upward Strabismus: Causes and Treatment Options


Should I Be Concerned About My Baby's Eye Blinking?

Eyes Doctor: Hello! I would like to ask whether my daughter needs to see a doctor. She is currently 11 months old and often blinks very hard; I'm not sure if there is an issue with her eyes. She was born prematurely at 35 weeks, weighing 1632 grams at birth, and now she weig...


Dr. Liu Jingxian Reply:
Hello, Miss: Regarding the situation mentioned above, forcefully blinking may commonly be associated with eye allergies causing itching, or the sensation of a foreign body due to ingrown eyelashes, among other issues. Rare conditions, such as congenital glaucoma, may also present...

[Read More] Should I Be Concerned About My Baby's Eye Blinking?


Small White Dot on the Eye: Is It a Growth or Stubborn Dirt?

There is suddenly a very small white dot protruding on the sclera, but it is not on the pupil? This afternoon, when I woke up and washed my face, I noticed a tiny dot on the surface of my eyeball, similar to a small dot made by a 0.1mm pen. It is clearly attached to the surface o...


Dr. Cai Jingyao Reply:
It sounds like a corneal foreign body or filamentous discharge. If symptoms persist or if there is redness or blurred vision, please seek medical treatment. Thank you.

[Read More] Small White Dot on the Eye: Is It a Growth or Stubborn Dirt?


Red Veins in Right Eye: Should You Rest for Relief?

Right eye - bloodshot? I have blood vessels near the pupil of my right eye. Will resting help?


Dr. Wang Zhangji Reply:
Hello: If you need to stop wearing contact lenses, you can apply a cold compress. If there is any discharge, please check it last. P.S. It should be around the cornea, not near the pupil. Sincerely, Dr. Wang Zhang-ji, Ophthalmology.

[Read More] Red Veins in Right Eye: Should You Rest for Relief?


Understanding Complications After LASIK Surgery: A Patient's Journey

Complications and sequelae of myopia laser surgery..? Hello, Doctor Hu. I underwent LASIK surgery at a hospital in southern Taiwan on August 11. During my follow-up appointment the next day, I informed the doctor that my vision appeared white (later I learned this is DLK). He tol...


Dr. Hu Yusheng Reply:
Dear Mr. Chiao, After your LASIK procedure, you experienced diffuse lamellar keratitis (DLK) on the fifth postoperative day, for which you underwent irrigation treatment. DLK is a rare complication, and its management varies based on severity. Milder cases can often be controlle...

[Read More] Understanding Complications After LASIK Surgery: A Patient's Journey


Is a Multifocal Intraocular Lens Right for My High Myopia?

Am I suitable for multifocal intraocular lenses? Hello Dr. Chang, I am 31 years old and have high myopia. I recently underwent an evaluation for myopia surgery at the hospital. Here are the examination details I remember: my myopia is approximately 1100-1200 degrees in both eyes...


Dr. Zhang Yanrui Reply:
Given your condition, with a visual acuity of 1.0, it is unlikely that any physician would strongly recommend cataract surgery; especially since you are only in your thirties and have good accommodation ability of your natural lens. Artificial lenses do not have the ability to ac...

[Read More] Is a Multifocal Intraocular Lens Right for My High Myopia?


Understanding Red Spots on the Eye: Causes and Treatment Options

A small red spot has appeared in the eye? I have small red spots on the sides of the pupils of both my left and right eyes, which have been present for about 4-5 years. I previously experienced eye inflammation and had conjunctivitis. I also had episodes of severe eye pain lastin...


Dr. Feng Jiefan Reply:
Hello: Based on the description, it seems to be a pterygium or a pinguecula on the conjunctiva, which is a benign proliferation of conjunctival tissue. It can cause recurrent redness and swelling, gradually enlarging, and generally only affects appearance. However, if it grows to...

[Read More] Understanding Red Spots on the Eye: Causes and Treatment Options


Understanding Amblyopia: Treatment Options and Future Outlook for Young Adults

Amblyopia Hello Dr. Ke, I would like to ask some questions regarding amblyopia. Recently, I discovered that I have a significant amblyopia issue during a medical examination for military service. After wearing glasses, my right eye measures 0.6 and my left eye measures 0.3, wit...


Dr. Ke Meilan Reply:
Hello: Laser refractive surgery can correct refractive errors, but it will not improve best-corrected visual acuity. Even after undergoing laser surgery, your best vision may still be 0.6 and 0.3. Amblyopia is fixed and will not gradually worsen, but it is important to investigat...

[Read More] Understanding Amblyopia: Treatment Options and Future Outlook for Young Adults


Unexplained Eye Symptoms After MRI: Understanding Potential Causes

Abnormal findings after magnetic resonance imaging (MRI) examination? I experienced sudden pain behind my right eye for a few seconds. After waking up, I found that I couldn't see the right half of my right eye. When looking at objects with both eyes, they appeared smaller. ...


Dr. Zhang Yanrui Reply:
Hello: Your condition is very similar to optic neuritis associated with multiple sclerosis. Please seek an appointment with a neuro-ophthalmologist immediately, as there is a possibility of recurrence! When you visit, please bring a copy of your MRI and the report; abnormalities ...

[Read More] Unexplained Eye Symptoms After MRI: Understanding Potential Causes


Understanding Wavy Vision: Causes and Impacts on Eye Health

Wavy vision in the eyes? Hello, doctor. My mother is in her 40s and has recently been experiencing wavy, blurry patterns that appear in front of her eyes, resembling ripples in water. These symptoms usually last for about a minute and then disappear. What could be the cause of th...


Dr. Liu Jingxian Reply:
Hello, Miss: The symptoms exhibited by your mother’s eyes are very similar to those of "floaters" in clinical terms. As people age, or in cases of high myopia or external trauma to the eyeball, the structure within the eye known as the "vitreous body," which i...

[Read More] Understanding Wavy Vision: Causes and Impacts on Eye Health


Will My Baby's Eye Alignment Affect His Vision Later?

Question Dear Doctor: I recently noticed that my 9-month-old son has one eye's pupil positioned closer to the center of his nose compared to the other eye. Will this affect his vision in the future?


Dr. Liu Jingxian Reply:
Hello, Miss: Regarding your younger son's condition, it is important to differentiate whether there is a problem with strabismus (esotropia). The presence of strabismus can be easily assessed by using a flashlight to project light and observing the reflection point in your s...

[Read More] Will My Baby's Eye Alignment Affect His Vision Later?


Understanding Mydriatics and Contact Lens Use in Eye Care

Pupil Dilation Agents and Contact Lenses Hello Dr. Chang: I would like to ask at what age the effects of mydriatic agents typically diminish? Additionally, for someone who has worn contact lenses for an extended period of over 3 to 4 years, will they have difficulty adjusting to ...


Dr. Zhang Yanrui Reply:
Pupil-dilating eye drops are generally used until puberty, but if myopia continues to worsen, it may be necessary to use them into the twenties, with significant individual variation. When wearing contact lenses, there is no issue with pupillary distance, so it may take a few day...

[Read More] Understanding Mydriatics and Contact Lens Use in Eye Care


Understanding Pupil Examination: What Tests Are Available for Eye Discomfort?

What are the types of pupil examinations? I have been experiencing discomfort in my eyes for an unknown reason, particularly in my left eye, which feels somewhat blurry, although my vision remains normal at 20/20. In early February of this year, I visited a large regional hospita...


Dr. Chen Xuan Reply:
Hello: There are many reasons for unequal pupil size, including oculomotor nerve palsy, Horner's syndrome, and trauma leading to damage of the pupillary constrictor muscle. Some individuals may also be born with unequal pupils. Generally, ophthalmologists in hospitals should...

[Read More] Understanding Pupil Examination: What Tests Are Available for Eye Discomfort?


Effects of Cycloplegic Agents on Children's Myopia Progression

Effects of Mydriatic Agents? Dear Doctor, my child was diagnosed with myopia of 150 degrees on May 21 of this year. After using a cycloplegic agent for one week, the prescription increased to 175 degrees. The clinic physician then increased the concentration of the cycloplegic ag...


Dr. Liu Jingxian Reply:
Hello Sophia: "Pseudomyopia," also known as "accommodative myopia," is a type of myopia caused by the eye's focusing mechanism. Children have a stronger accommodative ability than adults, making them more susceptible to pseudomyopia. If the eyes can be gi...

[Read More] Effects of Cycloplegic Agents on Children's Myopia Progression


Understanding Congenital Ptosis in Infants: Treatment Options and Timing

Congenital right eyelid ptosis in infants? Dear Dr. Liu, I have a granddaughter who has congenital ptosis in her right eye. She was not a premature baby, and during her first month, she could only open her eye a little bit. Now, at over four months old, she can open it to about ...


Dr. Liu Jingxian Reply:
Dear Concerned Grandma, Congenital ptosis is caused by the underdevelopment of the levator muscle of the eyelid. Symptoms of this eye condition include: drooping of the upper eyelid, difficulty opening the eyes; tilting the head back with the chin elevated; and raising the brow ...

[Read More] Understanding Congenital Ptosis in Infants: Treatment Options and Timing


Understanding Pupil Issues: Seeking Answers for Eye Discomfort

Regarding pupil issues? In February of this year, while I was still in service and nearing my discharge period, I noticed discomfort in my left eye, which felt similar to nearsightedness. I visited a local clinic for an examination, and they diagnosed me with hyperopia, recommend...


Dr. Chen Anping Reply:
The difference in pupil size between the two sides is a result of a concussion caused by a head injury from a car accident. Specifically, this is due to damage to the third cranial nerve (oculomotor nerve), which is responsible for controlling pupil size. Recovery will require a ...

[Read More] Understanding Pupil Issues: Seeking Answers for Eye Discomfort


Can Cataracts Be Detected on the Eye's Surface?

Can cataracts be seen from the surface of the eye? Hello, doctor. I would like to ask if there are any visible signs of cataracts on the surface of the eye, such as a thin film. Also, if cataract surgery is performed, is it done using laser surgery? What is the success rate? How ...


Dr. Feng Jiefan Reply:
Hello: Generally speaking, in patients with cataracts, the presence of cataracts is not visibly apparent to the naked eye, as the lens is located within the pupil and is difficult to discern. It may only be possible to see white material within the pupil in cases of very advanced...

[Read More] Can Cataracts Be Detected on the Eye's Surface?


Understanding Symptoms of Floaters: When to Seek Eye Care

Are there any signs of floaters? 1. There are many black spots in the right eye that move with eye movement; two weeks ago, there was only one spot, and now there are about a dozen. 2. It was first noticed in the morning after waking up. 3. After noticing it, I saw a doctor on th...


Dr. Ke Meilan Reply:
Hello: Visual deterioration refers to a decline in best-corrected vision, correct? Is it possible that eye fatigue is causing fluctuations in vision? These two definitions are different. Floaters are a result of vitreous degeneration; as long as there are no holes in the retina, ...

[Read More] Understanding Symptoms of Floaters: When to Seek Eye Care


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