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Can Corneal Transplant Solve Vision Issues in Diabetic Patients?

Corneal disease Hello, my mother has diabetes, which has caused her vision problems. I would like to know if a corneal transplant could resolve her eye issues. She has been maintaining her blood sugar levels and has undergone surgery once, but the results were not very satisfacto...


Dr. Zhang Yuanze reply Ophthalmology
In general, diabetes can lead to retinopathy and cataracts. If a patient has cataracts but their retina is still in good condition, surgical intervention can be performed. However, if there is a significant impact on visual acuity that continues to deteriorate, corneal transplant...

[Read More] Can Corneal Transplant Solve Vision Issues in Diabetic Patients?


Understanding Eye Strain: Is It Linked to Neck Tension and Other Symptoms?

My eyes feel very sore? Hello Dr. Chang: I often feel a heaviness in my eyes and a sense of pressure in my head, which affects my overall energy levels. I'm wondering if this could be related to tightness and soreness in my neck muscles. If there are issues or misalignments ...


Dr. Zhang Yuanze reply Ophthalmology
Frequent sensations of eye strain may be related to work and mental factors, such as prolonged near work like reading or using a computer, as well as whether sleep duration is adequate. Additionally, conditions such as conjunctivitis, dry eye syndrome, and astigmatism can also co...

[Read More] Understanding Eye Strain: Is It Linked to Neck Tension and Other Symptoms?


Understanding Color Vision Deficiency: Can You Take the Test with Glasses?

Color vision Is there a severity to red-green color deficiency? I have this minor issue... My color discrimination is generally the same as that of others, and it only shows up during health examinations. I want to take a civil service exam. Doctor, if color blindness is a restri...


Dr. Zhang Yuanze reply Ophthalmology
Generally speaking, color blindness varies in severity. The milder form is referred to as color weakness, where individuals can still distinguish colors, although they may struggle with certain shades of red. If you are considering applying for a civil service position, it is adv...

[Read More] Understanding Color Vision Deficiency: Can You Take the Test with Glasses?


Understanding Eyelid Puffiness: Causes and Non-Surgical Solutions

Eye bags Here is my question to Dr. Huang Bo-Zhen: "Dear Dr. Huang, Why do I have a swollen appearance under my eyes, resembling that of an elderly person, as if there is a lump of flesh? Could this be related to a thyroid issue? However, I am only 29 or 30 years old, an...


Dr. Zhang Yuanze reply Ophthalmology
Hello, Jie: Regarding the issue of under-eye bags, it is indeed a quite bothersome problem. Using a warm or cold compress can only be effective for inflammation and swelling, but it cannot provide a fundamental treatment for the underlying cause of muscle hypertrophy.

[Read More] Understanding Eyelid Puffiness: Causes and Non-Surgical Solutions


Can Laser Treatment Help My Mother's Retinal Damage from Eye Injury?

I would like to ask the doctor about issues related to the retina? Hello, doctor: I am a resident of Hsinchu City, and I would like to ask you a question. My mother had an incident when I was younger; since our family runs a metalworking factory, she accidentally got metal shavin...


Dr. Zhang Yuanze reply Ophthalmology
According to your description, having metal shavings enter the eye is a very serious ocular emergency. After more than a decade of damage to the eye, it can no longer be treated with laser therapy. If this just occurred, it is crucial to immediately transport the patient to a lar...

[Read More] Can Laser Treatment Help My Mother's Retinal Damage from Eye Injury?


Is Laser Eye Surgery Right for My Severe Myopia? Risks and Success Rates Explained

Laser Nearsightedness Doctor: I have severe myopia. Would you recommend laser surgery? What are the risks involved? What is the success rate?


Dr. Zhang Yuanze reply Ophthalmology
Laser surgery for correcting myopia has a low risk and a high success rate, with more than half of the patients able to forgo glasses after the procedure. However, some individuals may still experience residual refractive error, and the likelihood of having residual refractive er...

[Read More] Is Laser Eye Surgery Right for My Severe Myopia? Risks and Success Rates Explained


Should You Use Dilating Drops for Your Child's Vision Check?

What is the efficacy of mydriatic agents? The child is 9 years old and has not had a vision check for about two years. It was noticed that there are abnormalities in his vision, and upon examination at the hospital, he was found to be nearsighted with a prescription of -4.50 diop...


Dr. Zhang Yuanze reply Ophthalmology
Hello Ms. Li: The purpose of using mydriatic agents in myopic patients is to prevent the progression of myopia or to slow down the rate of its increase. The opinion of an optometry doctoral candidate in the United States against the use of mydriatic agents may be based on concern...

[Read More] Should You Use Dilating Drops for Your Child's Vision Check?


Understanding LASIK Surgery for High Myopia and Astigmatism

Myopia correction surgery: LASIK? Hello, I am 20 years old with a myopia of -800 degrees and astigmatism of -300 degrees. I am considering undergoing laser vision correction surgery and would like to know what degree of vision improvement I can expect. Additionally, I have a tend...


Dr. Zhang Yuanze reply Ophthalmology
Hello Erin: Based on your prescription, it is theoretically possible to correct your vision to 20/20. However, since you have a high myopia of 800 degrees, there may be fluctuations in your prescription during the healing process, which could affect the prognosis. As for the heal...

[Read More] Understanding LASIK Surgery for High Myopia and Astigmatism


Can You Wear Contact Lenses After Radial Keratotomy Surgery?

Can a person who has undergone radial keratotomy wear contact lenses? I want to wear contact lenses, but I remember the doctor saying that after this surgery, I shouldn't wear contact lenses. Is it true that I can't wear them? Thank you.


Dr. Zhang Yuanze reply Ophthalmology
Hello Yiru: After undergoing radial keratotomy, the curvature of the cornea becomes flatter, making it difficult for contact lenses to adhere to the cornea. Therefore, it is not recommended to wear contact lenses.

[Read More] Can You Wear Contact Lenses After Radial Keratotomy Surgery?


Understanding Nystagmus: Symptoms, Tests, and Insurance Coverage

About Nystagmus What are the symptoms of nystagmus, and what examinations should be performed? Are these examinations covered by health insurance? Thank you!


Dr. Zhang Yuanze reply Ophthalmology
Hello Kai: Nystagmus is a condition characterized by involuntary oscillations of the eyes, which can occur in horizontal, vertical, or torsional directions. Vision is often impaired, and it may affect one or both eyes. Examination procedures include fundus examination, slit-lamp ...

[Read More] Understanding Nystagmus: Symptoms, Tests, and Insurance Coverage


Can Glasses Correct Strabismus? Options and Costs Explained

Correction of Strabismus Hello Dr. Chang, I have strabismus (exotropia) in my left eye. I underwent two surgeries over ten years ago, but it has not been fully corrected. Can glasses be used to correct this condition? Will they help others not notice my left eye's strabismu...


Dr. Zhang Yuanze reply Ophthalmology
Hello CLARE: Based on your description, since two surgeries have not fully corrected the issue, surgical correction is not recommended. This is because the surrounding tissues of the eyeball may have significant adhesions, making them difficult to manage and with a poor prognosis...

[Read More] Can Glasses Correct Strabismus? Options and Costs Explained


Understanding Myopia: Causes, Risks, and Management Strategies

Myopia is quite severe? I have been wearing glasses since elementary school. Currently, my myopia in the right eye has reached -9.25 diopters, with a difference of about 3.00 diopters between both eyes. Why has my prescription not stabilized? Will such a high degree of myopia eve...


Dr. Zhang Yuanze reply Ophthalmology
Generally, myopia tends to stabilize or increase less significantly after the age of twenty or upon entering college. However, prolonged near work can still contribute to an increase in myopia. Another type, known as pathological myopia, can also lead to an increase. Myopia excee...

[Read More] Understanding Myopia: Causes, Risks, and Management Strategies


Is High Eye Pressure (Glaucoma) Linked to Excessive Computer Use?

Is there a relationship between high eye pressure (glaucoma) and frequent computer use? Is there a relationship between high intraocular pressure (glaucoma) and frequent computer use? Recently, I became obsessed with my computer and spent long hours in front of it, but my eyes fe...


Dr. Zhang Yuanze reply Ophthalmology
Mr. Zhang: Hello, elevated intraocular pressure is related to stress and the movement of the eyelids and eyeballs, but it only has a short-term effect. Prolonged time in front of a computer can lead to reduced blinking frequency, causing tears to evaporate more easily, resulting ...

[Read More] Is High Eye Pressure (Glaucoma) Linked to Excessive Computer Use?


Managing Myopia: Concerns and Solutions for High Prescription Glasses

Myopia is quite severe? I have been nearsighted for a long time. Every time I get new glasses, my prescription keeps increasing. It's really frustrating. I'm a bit scared because my right eye has already reached 925 degrees. If this continues, will I go blind or develop...


Dr. Zhang Yuanze reply Ophthalmology
Generally speaking, after entering college or in your twenties, myopia typically does not progress further, unless there is frequent near work or the presence of pathological myopia that continues to worsen. Of course, if myopia is severe, such as exceeding -6.00 diopters, it is ...

[Read More] Managing Myopia: Concerns and Solutions for High Prescription Glasses


Treatment Options for Severe Hyperopia in Adults

Is there a treatment method for myopia? Hello, Doctor: I would like to ask a question. My mother has developed a high degree of hyperopia due to neglect from family during her childhood. When she went to the clinic for an examination, the results indicated that her hyperopia is s...


Dr. Zhang Yuanze reply Ophthalmology
Chan: Hello, based on your description, your mother has hyperopia "over several thousand diopters." This condition can easily lead to amblyopia, which means her vision cannot reach the standard of normal individuals. Additionally, wearing glasses with such a high prescr...

[Read More] Treatment Options for Severe Hyperopia in Adults


Understanding and Treating Abnormal NTU Stereopsis in Children

How to treat? Dear Doctor: I am a first-grade elementary school student. During the school's vision screening, the NTU stereopsis test showed abnormal results (repeated tests did not pass); however, my unaided vision is 1.01. What treatment should I pursue, and how long will...


Dr. Zhang Yuanze reply Ophthalmology
Hello, child. Your unaided vision is 1.0, but the NTU test showed abnormalities, which may indicate strabismus and a lack of fusion ability. As a result, even though your vision is 1.0, the NTU test is abnormal. This situation often occurs with small-angle strabismus. It is recom...

[Read More] Understanding and Treating Abnormal NTU Stereopsis in Children


Understanding Amblyopia: What Parents Need to Know About Vision Issues

What is amblyopia? Hello, Doctor: I have a question I would like to ask you, which is what is amblyopia? Recently, my child underwent a vision screening at school, and it was discovered that he has strabismus. The school advised that it would be best to take him to see a doctor, ...


Dr. Zhang Yuanze reply Ophthalmology
Ms. You: Hello, amblyopia is a condition where visual acuity remains below 0.8 even after corrective measures. It typically occurs in children who have hyperopia or astigmatism, and when there is a significant difference in refractive error between the two eyes, one eye focuses c...

[Read More] Understanding Amblyopia: What Parents Need to Know About Vision Issues


Understanding Floaters: Causes and Solutions for Eye Health

Floaters appear as small black dots drifting in your field of vision? I have a vision of around 800, and I used to see some small black dots floating in front of my eyes. My prescription also tends to increase easily.


Dr. Zhang Yuanze reply Ophthalmology
Hello, Xiaoxue: Myopia is primarily a condition caused by an elongated axial length of the eye, which can lead to various complications and degeneration of the internal structures of the eye. The small black dots you see floating in front of your eyes are related to vitreous dege...

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