Contact lenses, Ophthalmology FAQ - Page 27

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Choosing the Right Intraocular Lens for Cataract Surgery: Monofocal vs. Multifocal

Intraocular lens (IOL) Hello, Director! I would like to ask a question. My right eye has a myopia of -17.50 diopters and has cataracts, and I will be undergoing surgery soon. My left eye has a myopia of -10.00 diopters and a slight cataract, with both eyes having astigmatism of a...


Dr. Ke Meilan Reply:
If I were a patient, I would choose monofocal lenses to achieve better vision and wear reading glasses for close-up tasks. Wishing you health and safety, Ophthalmologist Dr. Ke Mei-Lan.

[Read More] Choosing the Right Intraocular Lens for Cataract Surgery: Monofocal vs. Multifocal


Swollen Inner Corner of Eye: Is It an Infection?

Swelling at the inner corner of the eye? Hello doctor, I recently started wearing contact lenses this week. Today, when I put them on, I noticed that the inner corner of my right eye (there seems to be a small red bump, but I'm not sure how to describe it) appears to be swol...


Dr. Feng Jiefan Reply:
Based on your description, the tissue you observed appears to be normal eyelid tissue, but it is swollen; therefore, it looks more pronounced than usual. The cause of the swelling is often external stimuli, including rubbing the eyes, foreign objects, or medications. If there is ...

[Read More] Swollen Inner Corner of Eye: Is It an Infection?


Why You Shouldn't Wear Daily Disposable Contact Lenses Long-Term

Contact lenses Hello, doctor. I have often heard television advertisements stating that disposable contact lenses should not be worn for extended periods. Why is that? This question has been bothering me for a long time, and when I asked the staff at the optical store, they could...


Dr. Chen Mengde Reply:
Hello Angela, Contact lenses are categorized into rigid and soft lenses. Soft contact lenses can be further divided based on replacement frequency into extended wear, quarterly, monthly, bi-weekly, weekly, and daily disposables. Due to cost considerations, rigid contact lenses a...

[Read More] Why You Shouldn't Wear Daily Disposable Contact Lenses Long-Term


Can Color Vision Deficiency Prevent You from Becoming a Doctor?

Can individuals with color vision deficiency pursue a medical degree and even become doctors? Hello, doctor. I am currently very worried because a few days ago I just started my first year of high school, and the school conducted a health check, which of course included a vision ...


Dr. Wang Zhangji Reply:
Color weakness and color blindness are not the same. The appearance of lesions, including color, is an important clue for diagnosis and treatment. As for whether individuals with color weakness can apply to medical schools, it is best to directly consult the Ministry of Education...

[Read More] Can Color Vision Deficiency Prevent You from Becoming a Doctor?


Essential Tips for Proper Contact Lens Cleaning and Care

Cleaning of Contact Lenses I saw news about Acanthamoeba parasites today and realized how important it is to clean contact lenses. I just started wearing contact lenses for the first time last week, and I would like to ask the doctor if there is a specific procedure for cleaning ...


Dr. Wang Zhangji Reply:
Contact lenses should be cleaned by rubbing them with your hands daily; do not overly rely on cleaning cases. Protein removal with enzymes should be done weekly. Saline solution cannot prevent microbial contamination, and solutions containing chemical agents should be rinsed with...

[Read More] Essential Tips for Proper Contact Lens Cleaning and Care


Is Your Eye Infection Fully Treated? Understanding Discomfort with Contacts

Is the eye infected? Dr. Chen: Several years ago, I developed an infection due to wearing contact lenses, and I have been undergoing treatment for some time. Now, whenever I occasionally wear disposable contact lenses, I feel a foreign body sensation in my left eye, which is very...


Dr. Chen Mengde Reply:
Wearing contact lenses can lead to corneal infections, often due to improper cleaning of the lenses combined with sleeping while wearing them, which reduces the cornea's defense capabilities. Pathogens responsible for corneal infections from contact lenses include bacteria, ...

[Read More] Is Your Eye Infection Fully Treated? Understanding Discomfort with Contacts


Understanding Diplopia: Causes, Solutions, and Surgical Options

Ask the question about diplopia again? Dr. Ke: You mentioned that "the fusion of both eyes corresponds to points in the optical zone, and generally, patients need to readapt" in this situation. None of the doctors I consulted before and after the surgery mentioned this ...


Dr. Ke Meilan Reply:
Hello, SEE: Please check for ARC (abnormal retinal correspondence). I believe these phenomena will gradually improve. Wishing you health and safety. Best regards, Komeilan.

[Read More] Understanding Diplopia: Causes, Solutions, and Surgical Options


Is Forcefully Closing Your Eyes Safe for Itchy Eyes?

Is it okay to tightly close my eyes if they are itchy? I would like to ask the doctor: My eyes sometimes feel itchy because I have been wearing contact lenses for a long time, and I often find myself closing them tightly without realizing it. Is this harmful to my eyes? What coul...


Dr. Wang Zhangji Reply:
Forcefully closing the eyes does not cause significant harm, but over time it can become a bad habit. You can apply a cold compress or use some anti-itch eye drops; however, after applying the drops, you should wait 15 minutes before putting in contact lenses.

[Read More] Is Forcefully Closing Your Eyes Safe for Itchy Eyes?


Understanding the Differences Between Old and New Laser Eye Surgery

What are the differences between old and new laser treatments for myopia? I am considering laser eye surgery because there is a significant difference in prescription between my two eyes, approximately over 200 degrees. I usually experience dizziness when wearing glasses, so I on...


Dr. Hu Yusheng Reply:
Hello, Miss Han: You mentioned that due to your thinner cornea, the recommended surgical method by your physician is PRK (Photorefractive Keratectomy). It is best to discuss the associated risks of the surgery with your surgeon, as each individual's physiology is different. ...

[Read More] Understanding the Differences Between Old and New Laser Eye Surgery


Understanding Myopia: Which Vision Measurement is More Accurate?

About myopia? Hello: Five months ago, I had my vision checked at a clinic, and my left eye was 650 and my right eye was 625, with slight dilation. Today, I went to an optical store to buy contact lenses and had my vision tested using a vision measurement device. The results showe...


Dr. Wang Zhishun Reply:
Hello, your condition is common among young people. This is the difference between subjective (machine) refraction and objective (patient's perception) refraction. The primary focus is on correcting vision, and both methods should be considered. If you need a more precise pr...

[Read More] Understanding Myopia: Which Vision Measurement is More Accurate?


Exploring Artificial Iris Solutions for Light Sensitivity After Eye Injury

Artificial iris Hello, doctor. Many years ago, I had a car accident that damaged my iris, causing light sensitivity. At that time, I received an artificial intraocular lens and a corneal transplant. Now, I wear a colored prosthetic contact lens along with sunglasses to adapt to l...


Dr. Wang Zhishun Reply:
Hello: Currently, there is an implanted fixed artificial iris that has shown good results, but it is not suitable for every patient. Since I do not have relevant Chinese materials on hand, if you are interested in learning more, you may consult your ophthalmologist or search onli...

[Read More] Exploring Artificial Iris Solutions for Light Sensitivity After Eye Injury


Persistent Red Eye for a Month: Causes and Solutions Explained

Red eyes persisting for one month? Hello, doctor. I have a question. My left eye has been persistently red for about a month, and the redness occurs at irregular times, but it is always red when I wake up! (However, I don't press on it while sleeping.) Sometimes, when I look...


Dr. Feng Jiefan Reply:
Hello: Based on the description, it appears to be localized vascular proliferation or dilation, which could be due to local irritation or inflammation. It is advisable to consult an ophthalmologist for a detailed discussion and examination.

[Read More] Persistent Red Eye for a Month: Causes and Solutions Explained


Understanding Amblyopia: Genetic Factors and Contact Lens Concerns

I would like to ask a question about contact lenses? I am not sure if amblyopia is hereditary. My mother has it, and I also have it. My mother said it might have been passed down to me, which is why there is a significant difference in the prescription between my left and right e...


Dr. Xie Wenzhen Reply:
Hello, Miss: Thank you for your inquiry. I would like to respond to your question and provide the following suggestions: What is your best corrected vision with glasses? If your corrected vision is 0.8 or above and you are currently 21 years old, you should not be overly concerne...

[Read More] Understanding Amblyopia: Genetic Factors and Contact Lens Concerns


Understanding Right Eye Issues: Symptoms, Causes, and Home Remedies

Right eye Hello! I have a few questions. Yesterday, when I woke up, my right upper eyelid felt a bit tight, but there were no visible abnormalities, so I continued to wear my contact lenses. However, when I woke up this afternoon, my right upper eyelid was completely swollen, mak...


Dr. Xie Wenzhen Reply:
Hello, sir: Thank you for your inquiry. I would like to respond to your question and provide the following advice: If there is only swelling, I recommend applying ice packs. However, if there is pain or other symptoms, it is advisable to consult a physician for an examination. Ba...

[Read More] Understanding Right Eye Issues: Symptoms, Causes, and Home Remedies


Unexplained Blurry Vision: Seeking Answers for Left Eye Issues

Blurred vision with an unknown cause? Dear Dr. Wang, I noticed blurred vision in my left eye around the end of last year, feeling as if there was a layer of oil floating on the surface of my eye. I initially thought it was due to wearing contact lenses, which caused eye fatigue,...


Dr. Wang Yuwei Reply:
Hello Marian: I'm not sure how severe the blurriness in your left eye is, but it's important to note that the diagnosis of any condition does not necessarily improve with more tests. A detailed in-person consultation is more effective in identifying the underlying cause...

[Read More] Unexplained Blurry Vision: Seeking Answers for Left Eye Issues


Are Orthokeratology Contact Lenses Effective for Children's Vision?

The topic of "orthokeratology contact lenses." Dear Director Wang, I hope this message finds you well. I am reaching out on behalf of my sister, who has a 10-year-old daughter experiencing approximately 150 degrees of myopia. My sister has heard about a treatment avail...


Dr. Wang Zhishun Reply:
Hello, regarding orthokeratology lenses, there are two fairly certain aspects: first, they provide an alternative option for glasses wearers, allowing them to wear the lenses while sleeping and be free of glasses during the day; second, they cannot change myopia that has already ...

[Read More] Are Orthokeratology Contact Lenses Effective for Children's Vision?


Understanding Artificial Tears: Differences and Usage Tips for Contact Lens Wearers

Artificial tears Some artificial tears available on the market are labeled as suitable for direct application to the eyes, while others do not have such indications. Is there a difference between the two types? Is it necessary to use artificial tears when removing contact lenses?...


Dr. Xie Wenzhen Reply:
Hello, Miss: Thank you for your inquiry. I would like to respond to your question and provide the following suggestions: Artificial tears can generally be applied directly to the eyes. Additionally, some artificial tears can be applied directly to contact lenses, while others can...

[Read More] Understanding Artificial Tears: Differences and Usage Tips for Contact Lens Wearers


Painful Left Eye Bag: Discomfort with Contact Lenses Explained

Left eye bags? There is pain when pressing on the area of the eye bag on the left eye, and wearing contact lenses also causes pain, making it difficult to put them on at times.


Dr. Feng Jiefan Reply:
The tissue near the left eye bag includes the eyelid and conjunctiva, raising the possibility of blepharitis or conjunctivitis. Issues related to contact lenses should consider keratitis or tear film disorders. It is recommended to consult an ophthalmologist for examination.

[Read More] Painful Left Eye Bag: Discomfort with Contact Lenses Explained


Is My Eye Pain from Contact Lenses a Serious Concern?

Is it very serious? Hello, doctor. I have recently started wearing contact lenses for about three months, but in the past few days, I have been experiencing pain in my eyes and difficulty opening them, requiring significant effort to do so. Could this be fatigue, or is there an u...


Dr. Feng Jiefan Reply:
Please seek an ophthalmologist for an examination as soon as possible and discontinue wearing contact lenses. There may be damage or infection to the cornea, which requires evaluation to confirm the diagnosis and initiate treatment.

[Read More] Is My Eye Pain from Contact Lenses a Serious Concern?


Impact of Cotton Cloth Contact on Eye Health: Expert Insights

Cotton fabric coming into contact with the eyeball? Dear Director Hu, Every night, I use a damp folded cotton cloth to clean my lower eyelids. Last night, I accidentally touched the pointed end of the folded damp cloth (the harder part) against the center of my right eye's ...


Dr. Hu Yusheng Reply:
Hello: The area where contact lenses are placed is called the cornea, which is a transparent tissue that acts like the protective cover and lens at the front of a camera, with a transparent epithelium on its surface. Your symptoms suggest that the corneal epithelium may be damage...

[Read More] Impact of Cotton Cloth Contact on Eye Health: Expert Insights


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