Contact lenses, Ophthalmology FAQ

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Managing Cataracts in High Myopia: Options for Balanced Vision

High myopia cataract Hello, I am a person with high myopia (suffering from floaters) and have cataracts in my right eye (currently unable to measure accurate refractive error; previously, vision was the same as my left eye). My left eye has a refractive error of -9.00 diopters (c...


Dr. He Jianxian Reply:
Dear Ms. Tsui, The choice between single vision or multifocal lenses depends entirely on your work and lifestyle. Neither option has an absolute advantage, and both come with relative disadvantages. Given your situation, I recommend not retaining any prescription after the surge...

[Read More] Managing Cataracts in High Myopia: Options for Balanced Vision


Can I Wear Contact Lenses with Early Macular Fold Diagnosis?

Can contact lenses be worn in the early stages of macular folds? Hello, doctor. I am 22 years old and have just been diagnosed with macular folds. During my visit to the hospital, the doctor indicated that it is currently in the early stage, and there is no significant vision los...


Dr. He Jianxian Reply:
Dear Ms. Kennis: 1. Macular folds are a retinal issue and have no correlation with the use of corrective lenses. 2. Macular folds cannot be prevented from worsening through other means; they can only be monitored and followed up. Director He Jian-xian, Ophthalmology Departme...

[Read More] Can I Wear Contact Lenses with Early Macular Fold Diagnosis?


Understanding Chronic Conjunctivitis: Links to Floaters and Dry Eye Issues

Chronic conjunctival inflammation and issues related to floaters and dry eye syndrome? Hello Doctor: 1. I started experiencing dry eyes and photophobia around March of this year. After an examination at a major hospital, I was diagnosed with chronic giant papillary conjunctivit...


Dr. Gao Pilin Reply:
Hello: 1. Causes of Chronic Giant Papillary Conjunctivitis: Chronic giant papillary conjunctivitis is often associated with contact lens wear, but it can also be caused by foreign bodies in the eyelid (such as sutures or prosthetic eyes). Even if you do not wear contact lenses ...

[Read More] Understanding Chronic Conjunctivitis: Links to Floaters and Dry Eye Issues


Understanding Corneal Thickness and Endothelial Cell Health in Myopia

Corneal thickness and corneal endothelial cells? Hello, Doctor Gao. I am suffering from high myopia and elevated intraocular pressure. I have a few questions to ask you. Question 1: Since intraocular pressure is related to corneal thickness and whether or not to use eye drops to...


Dr. Gao Pilin Reply:
Hello: Question 1: Accuracy of Corneal Thickness Measurement by Different Instruments The measurement of corneal thickness can indeed be influenced by the instrument used, and there may be slight variations among different devices. 1. Non-contact tonometer: This instrument is p...

[Read More] Understanding Corneal Thickness and Endothelial Cell Health in Myopia


Understanding Eyelid Gland Issues: Persistent Foreign Body Sensation Explained

Meibomian glands eyelids Hello, doctor. Recently, I've been experiencing a foreign body sensation in my left eye. Usually, I just need to remove any eyelashes that might have fallen under my eyelid, and it resolves. However, this sensation has persisted for about two to thre...


Dr. Gao Pilin Reply:
Hello: Based on your description, the foreign body sensation in your left eye and the small bubbles you previously experienced may be related to the eyelids or meibomian glands. These small bubbles could be manifestations of meibomian gland dysfunction, which is commonly associat...

[Read More] Understanding Eyelid Gland Issues: Persistent Foreign Body Sensation Explained


Accidentally Poking Your Eye While Applying Eye Drops: What to Do?

Accidentally poking the eye while instilling eye drops? 1. I accidentally poked my right eye while applying eye drops today (July 1, 2024). I tried blinking several times, but five minutes later, I noticed a sharp pain in the center of my eye. After several attempts, it still fel...


Dr. Gao Pilin Reply:
Hello: Based on your description, it seems that you accidentally poked your right eye while applying eye drops, and now you are experiencing a sharp pain in the center of your eye. This could be a corneal abrasion or laceration. 1. Recovery time for corneal abrasion: Corneal ab...

[Read More] Accidentally Poking Your Eye While Applying Eye Drops: What to Do?


Understanding Blurry Vision with Soft Contact Lenses: A Guide for High Myopia

One eye is blurry with soft contact lenses? Hello Doctor: I have high myopia (the most recent measurement was two weeks ago: left eye approximately -1200 diopters with astigmatism of -175; right eye approximately -1075 diopters with astigmatism of -175). However, each time I have...


Dr. Gao Pilin Reply:
Hello: Based on the situation you described, there are several possible reasons that could explain your vision fluctuations: 1. Inconsistent prescription between glasses and contact lenses: You mentioned that the prescriptions for your glasses and contact lenses differ, which ma...

[Read More] Understanding Blurry Vision with Soft Contact Lenses: A Guide for High Myopia


Can Shower Water Cause Acanthamoeba Infection in Your Eyes?

Does rinsing the eyes with tap water from a showerhead increase the risk of Acanthamoeba keratitis infection? Hello, Doctor. Today at noon, while eating a salad, I accidentally got some vinaigrette dressing splashed into my right eye, so I chose to rinse my right eye with a showe...


Dr. Gao Pilin Reply:
Hello: Regarding your concerns, let me explain from several perspectives: 1. **Possibility of Acanthamoeba Infection**: Acanthamoeba is indeed present in the natural environment, particularly in water sources such as tap water, lakes, and swimming pools. However, the likelihood...

[Read More] Can Shower Water Cause Acanthamoeba Infection in Your Eyes?


Understanding Blurry Vision with Contact Lenses: Causes and Solutions

Blurred vision with contact lenses Hello Doctor, I have over 200 degrees in my left eye (contact lens prescription -2.25) and over 400 degrees in my right eye (contact lens prescription -4.00). I purchased contact lenses at an optical shop yesterday, and after trying them on toda...


Dr. Chen Anping Reply:
Hello, blurred vision can be caused by various factors. These include incorrect prescription, unsuitable contact lenses, or adaptation issues with the eyes. However, to determine the exact cause, it is recommended that you consult an ophthalmologist or optometrist for an examinat...

[Read More] Understanding Blurry Vision with Contact Lenses: Causes and Solutions


Can Showering with Contact Lenses Increase Risk of Acanthamoeba Infection?

Forgetting to remove contact lenses while showering can increase the risk of infection from Acanthamoeba, a type of protozoan. Acanthamoeba can be found in water, including tap water, and can cause serious eye infections, particularly in contact lens wearers. It is important to a...


Dr. Gao Pilin Reply:
Hello: 1. Is the risk of infection with Acanthamoeba high if I occasionally forget to remove my daily disposable contact lenses while showering? - The risk of Acanthamoeba infection is associated with contact lenses being exposed to non-sterile water (such as tap water or lake ...

[Read More] Can Showering with Contact Lenses Increase Risk of Acanthamoeba Infection?


Understanding Eyeball Polyps: Symptoms, Treatment, and Contact Lens Safety

Pterygium on the eye? Hello, I have something on my eyeball that resembles a conjunctival cyst or a pterygium, looking like a white polyp with faint pinkish blood vessels. It is located on the outer part of the sclera, adhering to the lower inner eyelid. I generally don't fe...


Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, this may be a cyst or pterygium on the surface of the eye, which is a growth that forms on the eyeball or conjunctiva and is usually benign. However, a definitive diagnosis requires an examination by an ophthalmologist to rule out other...

[Read More] Understanding Eyeball Polyps: Symptoms, Treatment, and Contact Lens Safety


Dealing with an Eyelash Stuck in Your Eye: Symptoms and Solutions

An eyelash has gotten into the eye? Hello doctor, this afternoon while riding my bike, a bug flew into my eye. Later, I felt uncomfortable and checked my eye. It seemed like a foreign object was stuck in there. After taking a shower and returning home to address my eye, I discove...


Dr. Gao Pilin Reply:
Hello: This situation may lead to eye discomfort, even mild eye irritation or inflammation. The condition you described suggests that your eyes may have sustained minor damage, resulting in redness and discomfort. First, you can gently rinse your eyes with saline solution to ensu...

[Read More] Dealing with an Eyelash Stuck in Your Eye: Symptoms and Solutions


Understanding Eye Flashes: Should You Seek Further Evaluation?

Eye flickering Hello, Dr. Gao. I am the person who inquired about #207988. I went to the clinic yesterday for a dilated eye exam. The doctor said that my fundus, intraocular pressure, and macula are all normal, but did not explain what the persistent flickering sensation in my ey...


Dr. Gao Pilin Reply:
Hello: 1. Floaters and flashes: The phenomenon of floaters is usually caused by tiny particles in the vitreous gel casting shadows. Flashes may be related to vitreous detachment, but since the fundus examination appears normal, this could represent a new variation of floaters. 2....

[Read More] Understanding Eye Flashes: Should You Seek Further Evaluation?


Can Eye Protrusion Be Reversed? Understanding Myopia and Treatment Options

Can bulging eyes be restored? I have myopia with a prescription of -3.00 diopters in my left eye and -3.75 diopters in my right eye. It seems that my eyelids have thickened along with my myopia, transitioning from double eyelids to more of a monolid appearance. Is this related to...


Dr. Gao Pilin Reply:
Hello: Your myopia (left eye -300 degrees, right eye -375 degrees) may affect the appearance of your eyelids, but this is not a common phenomenon. Typically, higher degrees of myopia may cause the eyeball to protrude slightly, which can lead to the eyelids appearing thicker or ch...

[Read More] Can Eye Protrusion Be Reversed? Understanding Myopia and Treatment Options


Understanding Vision Problems: Contact Lenses vs. Glasses and Keratoconus Concerns

Vision examination issues I recently visited an ophthalmologist and found that my vision with contact lenses is 0.8 and 0.9, while with regular glasses, it is only 0.4 and 0.5. The axial length of my eyes was measured, but the doctor did not assess the true degree of astigmatism....


Dr. Gao Pilin Reply:
Hello: There may be differences in the prescription between contact lenses and glasses for several reasons: 1. Different fitting methods: Contact lenses are typically fitted directly on the cornea, while glasses are fitted at a distance in front of the eyeball. Since the curvatur...

[Read More] Understanding Vision Problems: Contact Lenses vs. Glasses and Keratoconus Concerns


Understanding Pseudomyopia: Causes, Effects, and Recovery Options

Pseudomyopia The original myopia measurements are 625 and 650. The patient usually has a high visual demand and wears myopia control contact lenses. During regular follow-up visits, the ophthalmologist mentioned a significant increase in pseudomyopia but did not prescribe any cyc...


Dr. Gao Pilin Reply:
Hello: 1. Can pseudomyopia recover on its own? Pseudomyopia is caused by excessive tension in the ciliary muscles of the eye. This tension may improve with appropriate rest and reduced eye strain, but it requires time and lifestyle changes. Regular visits to an ophthalmologist ar...

[Read More] Understanding Pseudomyopia: Causes, Effects, and Recovery Options


Post-Cataract Surgery Discomfort: Insights on Vision Issues and Solutions

Monocular vision & refractive error & postoperative discomfort after cataract surgery? Hello, Director Gao. Below is a summary of my medical history regarding my "right" eye (the left eye is normal): 1. In 2001 (at age 20), I experienced significant distortion ...


Dr. Gao Pilin Reply:
Hello: 1. Poor visual fusion when using both eyes simultaneously may be related to a previous macular issue in your right eye. Problems with the macula can increase sensitivity to disparity, leading to a decline in visual quality when both eyes work together. This condition may...

[Read More] Post-Cataract Surgery Discomfort: Insights on Vision Issues and Solutions


Managing Complex Vision Issues: Myopia, Hyperopia, and Astigmatism in Teens

One eye has myopia with astigmatism, while the other eye has hyperopia with astigmatism, resulting in a significant disparity in vision? The patient is 14 years old, with hyperopia of +3.25 diopters and astigmatism of +0.75 diopters in the left eye, and myopia of -0.75 diopters a...


Dr. Gao Pilin Reply:
Hello: 1. The purpose of mydriatic agents is to paralyze the ciliary muscle, temporarily impairing the eye's ability to adjust focus. This helps relax the eye muscles for fitting glasses or examining the fundus, and can effectively suppress the progression of myopia, but it ...

[Read More] Managing Complex Vision Issues: Myopia, Hyperopia, and Astigmatism in Teens


Can My Child with Keratoconus and Severe Allergies Apply for Disability ID?

Disability Handbook Hello, my child is in the first year of junior high school and has a vision of only 0.1 and 0.2 due to keratoconus. Due to severe eye allergies, they are unable to wear contact lenses. Can we apply for a disability certificate in this situation?


Dr. Gao Pilin Reply:
Hello: Please visit an ophthalmology department at a hospital that can issue a disability certificate. After a physician's evaluation, if treatment is not possible or if vision remains poor after treatment, a certificate can be issued. In summary, you must first undergo an o...

[Read More] Can My Child with Keratoconus and Severe Allergies Apply for Disability ID?


Understanding Foreign Body Sensation in Contact Lens Wearers

Contact lenses I have been wearing contact lenses for a while, and recently I've been experiencing a persistent foreign body sensation in my left eye, whether I'm wearing the lenses or not. I've confirmed that there is nothing else in my eye. Sometimes the sensatio...


Dr. Gao Pilin Reply:
Hello: The sensation of a foreign body in the eye, whether wearing contact lenses or not, may be caused by several factors: 1. Dry Eyes: Individuals with dry eye syndrome may experience a foreign body sensation both with and without contact lenses. Symptoms of dry eye include d...

[Read More] Understanding Foreign Body Sensation in Contact Lens Wearers


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