Cornea, Ophthalmology FAQ - Page 18

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Understanding Morning Blurry Vision: Causes and When to Seek Help

Blurred vision upon waking up? Hello Doctor, sometimes when I wake up in the morning, my vision is blurry. Sometimes it's in both eyes, and sometimes just one eye. Usually, the blurry vision in both eyes resolves within a few minutes, but the blurry vision in one eye can las...


Dr. Gao Pilin Reply:
Hello, Miaomiao: 1. It could be a different issue. 2. This kind of blurred vision is difficult to diagnose without an examination. 3. If it is due to high intraocular pressure, it is important to get checked promptly to avoid complications. I recommend getting an examination as s...

[Read More] Understanding Morning Blurry Vision: Causes and When to Seek Help


Understanding Corneal Ulcers: Causes, Treatments, and Immune Factors

Corneal ulcer-related issues? Hello Doctor, I would like to inquire about corneal ulcers: I started experiencing corneal ulcers about three years ago (treatment lasted about a month), and I had a second occurrence (which healed quickly). Recently, I have had a third occurrence (c...


Dr. Cai Wenyuan Reply:
In such cases, it is advisable to reduce the duration of wearing contact lenses.

[Read More] Understanding Corneal Ulcers: Causes, Treatments, and Immune Factors


Long-Term Lutein Use: Why Am I Still Sensitive to Light?

Long-term consumption of lutein can still lead to light sensitivity? Hello Doctor, I have been taking lutein, cod liver oil, and fish oil for a long time. Recently, I had a fundus examination, but I am gradually becoming more sensitive to light. I feel uncomfortable when I see re...


Dr. Gao Pilin Reply:
Hello Mr. Chen: Photophobia is a natural protective response of the body and can occur more easily when fatigued. If there are no other discomforts, such as dry eye syndrome, conjunctivitis, keratitis, corneal abrasions, corneal ulcers, foreign bodies in the cornea, or iridocycli...

[Read More] Long-Term Lutein Use: Why Am I Still Sensitive to Light?


Understanding Sudden Grayish Ovals in Vision: Possible Causes and Concerns

A sudden appearance of a flat oval-shaped "mosaic/ground glass" grayish-white shadow in the right eye? Hello Doctor: My left eye is hyperopic at +2.25 diopters, and my right eye is myopic at -6.25 diopters. Due to severe astigmatism in my left eye, I have some amblyopia...


Dr. Gao Pilin Reply:
Hello Mr. N: If you notice movement that follows your eye movements but is slightly out of sync and appears shaky, it is likely due to opacities in the vitreous body. These opacities can sometimes be undetectable during examinations and are only perceptible to the individual. Vit...

[Read More] Understanding Sudden Grayish Ovals in Vision: Possible Causes and Concerns


Understanding Rainbow Vision and Corneal Edema: Causes and Concerns

Iris vision corneal edema Hello, doctor. When I looked at the streetlights at night, I saw a ring that looked like a rainbow. Is this called halos? I have high myopia with a significant prescription, but I don't have any redness in my eyes, headaches, or nausea. However, I d...


Dr. Liang Ce Reply:
It is recommended that you visit an ophthalmology clinic to determine if any relevant examinations are needed. Thank you, and wishing you good health!

[Read More] Understanding Rainbow Vision and Corneal Edema: Causes and Concerns


Understanding Astigmatism: Causes, Effects, and Treatment Options

Astigmatism issues? Hello Dr. Gao, I would like to ask the following questions: 1. Can excessive blinking cause corneal deformation or astigmatism? 2. Besides corneal deformation, what other factors can cause astigmatism? 3. Does "rubbing the eyes" refer to the act of...


Dr. Gao Pilin Reply:
Hello: 1. Astigmatism is caused by the deformation of the cornea, rather than being a normal spherical shape. Any external force that causes deformation of the cornea, or diseases affecting the cornea itself, can lead to astigmatism. 2. Additionally, cataracts in the lens can als...

[Read More] Understanding Astigmatism: Causes, Effects, and Treatment Options


Understanding Eye Abnormalities: When to See an Eye Specialist

Visual abnormalities Hello, doctor. Today, when I went to get my glasses fitted, the staff assisting with the refraction indicated that there is an abnormal condition in my right eye. I have a history of myopia in both eyes, and I have also developed astigmatism. Over the past fe...


Dr. Gao Pilin Reply:
Hello, Zhi: Your right eye has difficulty seeing things up close, while distant objects appear clearer than with your left eye. This may indicate hyperopia, even though you previously wore glasses for myopia. However, the current prescription is quite low. I recommend undergoing ...

[Read More] Understanding Eye Abnormalities: When to See an Eye Specialist


Understanding Eye Appointment Terminology: What Does KR Mean?

Terminology issues on ophthalmology appointment forms? Could you please clarify what "KR" means on my ophthalmology follow-up appointment slip? Additionally, during my visit, the clinic mentioned that my astigmatism has increased by 150 to 200 degrees. What circumstance...


Dr. Gao Pilin Reply:
Hello: Astigmatism is a deformation of the cornea, and any condition that causes corneal distortion can lead to astigmatism. KR may refer to a follow-up visit for a refraction test to measure the curvature of the cornea. Information found online should only be used as a reference...

[Read More] Understanding Eye Appointment Terminology: What Does KR Mean?


Understanding Eye Health: Common Concerns and Symptoms Explained

Vision problems Hello, Doctor. I have three questions I would like to ask you. 1. During a dilated eye exam last June, I noticed a small area in the lower left and directly below my right eye that appeared darker (deep red). However, several months of subsequent dilations and v...


Dr. Gao Pilin Reply:
Hello Wei: 1. Based on the physician's and your descriptions, there should be no issues. Regular follow-ups are sufficient. 2. First, correct both eyes to achieve emmetropia, then check for any color disparity. If there is none, it is likely due to refractive error. Other...

[Read More] Understanding Eye Health: Common Concerns and Symptoms Explained


Understanding Eye Drops: Safety, Preservatives, and Usage Guidelines

Ophthalmic medication Hello, doctor. I have dry eye syndrome and punctate epithelial keratitis. Here are my current medications: ▪ "Gentamicin" 0.25% eye drops (4 times a day) ▪ Vitis gel (3 times a day) ▪ Artificial tear ointment "Alcon" (Belgium) (at bedtime...


Dr. Gao Pilin Reply:
Hello Cherry: 1. Such usage will not exceed the limit. Long-term use means continuous use without interruption. Dry eye syndrome requires long-term treatment. 2. Chloramphenicol is an antibiotic, and it is important to assess whether the cornea has healed before deciding whether ...

[Read More] Understanding Eye Drops: Safety, Preservatives, and Usage Guidelines


Understanding Dust and Debris on the Eye Surface: What You Need to Know

Dust particles on the surface of the eye? 1. If I accidentally get low-quality toilet paper that releases many small paper particles into the air, and I later notice these particles on the bathroom mirror, I worry that some may have landed on the surface of my eyeball and stuck t...


Dr. Gao Pilin Reply:
Hello Mr. Gao: 1. No special treatment is needed. 2. No special treatment is needed. 3. Blinking and tears can help remove some foreign objects. 4. It is possible for them to be expelled directly along with secretions, or they may be flushed into the nasolacrimal duct for...

[Read More] Understanding Dust and Debris on the Eye Surface: What You Need to Know


Managing Corneal Abrasion: Treatment Duration and Side Effects Explained

Corneal abrasion Hello Doctor: Previously, I experienced dryness and a stinging sensation in my left eye. The doctor diagnosed it as a corneal abrasion and prescribed Comfort Eye Drops and artificial tears. After using them for a week, I noticed improvement, but after stopping th...


Dr. Gao Pilin Reply:
Hello Sophie: You can use artificial tears, which can help with inflammation and dryness. Long-term supplementation of tears may be necessary to prevent corneal abrasion. As for whether the corneal abrasion has healed, the simplest way to judge is by checking if you experience an...

[Read More] Managing Corneal Abrasion: Treatment Duration and Side Effects Explained


Understanding Vascular Proliferation in the Eye: Causes and Concerns

Vascular proliferation Hello doctor, I haven't been wearing contact lenses recently, but I've noticed that the blood vessels in my right eye are quite prominent. Using a vasoconstrictor hasn't helped, and it feels like there is vascular proliferation, but it's...


Dr. Gao Pilin Reply:
Hello: A slight vascular proliferation is not a concern, and you can still wear contact lenses. However, it is important to have regular check-ups to monitor for any other issues. Information found online should only be used as a reference; if necessary, you should seek medical a...

[Read More] Understanding Vascular Proliferation in the Eye: Causes and Concerns


Redness Around the Pupil: Managing Contact Lens Discomfort

Bloodshot eyes with redness around the black pupil? Hello, Dr. Gao! I have a 10-year history of wearing contact lenses, but due to the pandemic, I have significantly reduced their use. Last October and November, I experienced recurrent eye inflammation and followed my doctor'...


Dr. Gao Pilin Reply:
Hello Mr. Lin: The redness in your eyes is likely unrelated to your blood pressure; it is primarily due to the dilation of blood vessels in response to irritation, which is a normal phenomenon. Once the irritation subsides, the redness will naturally resolve. When removing contac...

[Read More] Redness Around the Pupil: Managing Contact Lens Discomfort


Understanding Eye Redness: Causes and Solutions for Healthy Vision

Redness around the sclera, with bloodshot eyes? Dear Dr. Gao, Hello! I apologize for bothering you again! I'm sorry... Previously, I inquired about the redness in my eyes. Since the pandemic, I haven't been wearing contact lenses, and there has been significant improve...


Dr. Gao Pilin Reply:
Hello Mr. Lin: The redness in your eyes is likely not related to your blood pressure; it is primarily due to irritation causing the blood vessels to dilate, which is a normal phenomenon. Once the irritation is alleviated, the redness will naturally subside. When removing contact ...

[Read More] Understanding Eye Redness: Causes and Solutions for Healthy Vision


Understanding Dry Eye Syndrome: Symptoms, Causes, and Treatment Options

Dry Eye Syndrome Issues Hello, Dr. Gao. I apologize for the interruption, but I have a few questions: 1. My eyes occasionally become blurry after blinking, but they clear up after I blink again. This happens repeatedly, and I sometimes notice a white, thick discharge from my ey...


Dr. Gao Pilin Reply:
Hello JAY: 1. It is possible, but eye discharge can also cause this phenomenon. 2. Usually not, but it is possible that discharge could lead to double vision. 3. It could be astigmatism; that’s how it manifests. When using a phone positioned lower, the eyelid can press on the cor...

[Read More] Understanding Dry Eye Syndrome: Symptoms, Causes, and Treatment Options


Understanding Optic Nerve Atrophy: Causes, Risks, and Treatment Options

Optic nerve atrophy I am 45 years old. When I was 10, my brother hit me in the left eye with a slingshot, which likely caused a bruise that obscured my cornea, resulting in loss of vision. I later underwent surgery to remove the bruise and suture the wound. I would like to ask: ...


Dr. Gao Pilin Reply:
Hello, A-Wen: After an injury to the optic nerve, recovery is unlikely, and therefore, it cannot be treated. However, you mentioned that your vision is still relatively good, which may indicate that your vision has not been significantly affected. However, the OCT results show so...

[Read More] Understanding Optic Nerve Atrophy: Causes, Risks, and Treatment Options


Understanding Vision Loss: Light Perception Without Sight After Injury

Having light perception but unable to see objects? Hello, Doctor Gao. My son is a fifteen-year-old middle school student who was involved in a car accident on April 30. He has two facial fractures, one on his forehead and another on his nasal bridge. Around May 7, an ophthalmolog...


Dr. Gao Pilin Reply:
Hello Mr. Yu: Based on your description, he may be able to perceive light, but I cannot determine if there is any visual impairment. If there is a brain injury, a longer evaluation period is necessary. A physician's examination is required to ascertain whether there is any d...

[Read More] Understanding Vision Loss: Light Perception Without Sight After Injury


Understanding Rainbow Vision: Is It a Sign of Glaucoma?

Glaucoma with halos? Hello Doctor: I previously underwent a fundus examination due to symptoms of eye strain and floaters. The doctor mentioned it was likely natural degeneration, and my optic nerve appeared normal. I was prescribed a bottle of artificial tears. However, I recent...


Dr. He Jianxian Reply:
What you refer to as "rainbow vision" likely pertains to a dispersion phenomenon. Dispersion typically occurs when the corneal hydration level increases. The most commonly known condition associated with this phenomenon is acute glaucoma, which can cause such effects wh...

[Read More] Understanding Rainbow Vision: Is It a Sign of Glaucoma?


Understanding Monocular Diplopia: Causes and Solutions for Right Eye Issues

Monocular diplopia in the right eye? Hello, doctor! After I entered military service at Chenggong Ridge around March, I noticed that at night, when looking at lights or light sources (like the moon or streetlights), they appeared to scatter, and I experienced photophobia. At that...


Dr. Gao Pilin Reply:
Hello, Nantou conscript: Common causes of monocular diplopia include refractive errors, especially astigmatism, corneal disorders, cataracts, lens dislocation, iris atrophy, and vitreoretinal diseases. Based on your description, it is likely due to previous corneal inflammation t...

[Read More] Understanding Monocular Diplopia: Causes and Solutions for Right Eye Issues


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