Cornea, Ophthalmology FAQ - Page 8

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Understanding Vision Changes: Lens Prescription Issues and Laser Surgery Concerns

Issues related to prescription lens power caused by eye refractive errors and concerns regarding laser eye surgery? Hello, doctor! My eye prescription fluctuates between 100 to 250 degrees (pseudomyopia), and there is a disparity of about 200 degrees between my eyes, with astigma...


Dr. Gao Pilin Reply:
Hello: 1. Why does this issue occur? Each person's eyes are unique, and vision problems can be influenced by multiple factors. In your case, the changes in prescription and discomfort after wearing glasses may involve the eye's accommodative ability, corneal shape, or...

[Read More] Understanding Vision Changes: Lens Prescription Issues and Laser Surgery Concerns


Do You Really Need Eye Drops for Allergies? Exploring Alternatives

Is it necessary to use eye drops for eye allergies? Hello, Doctor Gao. I am 21 years old and I have symptoms of eye allergies. Occasionally, my eyes water and itch, averaging 2-3 times a day. I have undergone allergy testing, but no allergens were identified. Each time I visit th...


Dr. Gao Pilin Reply:
Hello: Eye allergies are a common symptom that can be triggered by various factors, including allergens, environmental irritants, or dry eyes. Tearing and itching are common symptoms of allergies. Eye drops are a common method for managing eye allergies, as they can alleviate sym...

[Read More] Do You Really Need Eye Drops for Allergies? Exploring Alternatives


Understanding Retinal Issues: Floaters and Related Symptoms Explained

Retinal issues such as floaters and other related problems? Hello Doctor, I started experiencing symptoms of Retinitis Pigmentosa (RP) this year, such as photophobia and difficulty adapting to changes in light. A few months before the onset of these symptoms, I suddenly developed...


Dr. Gao Pilin Reply:
Hello: Regarding floaters, this is a symptom characterized by the perception of small spots or debris floating in the field of vision, typically associated with tiny particles in the vitreous gel or remnants of blood vessels within the eye. Generally, floaters are not directly re...

[Read More] Understanding Retinal Issues: Floaters and Related Symptoms Explained


Understanding the Risks of Eye Pressure and Retinal Detachment

Lightly touching the eyeball? Hello, doctor. Recently, I read that rubbing the eyes can increase the risk of retinal detachment, so I have been very afraid to touch my eyeballs. I often feel anxious for a long time after accidentally touching my eyes, fearing retinal detachment. ...


Dr. Gao Pilin Reply:
Hello: Under normal circumstances, mild pressure or touch on the eyeball does not cause blurred vision. The transparent parts of the eye, including the cornea and lens, play a crucial role in refracting light, while the retina is responsible for receiving light and converting it ...

[Read More] Understanding the Risks of Eye Pressure and Retinal Detachment


Understanding Herpes Keratitis: Risks and Impact on Vision

Herpetic keratitis I recently developed a cold sore in my mouth, and I'm a bit worried about whether it might affect my eyes. Doctor, if it turns into herpes keratitis, will it really impact my vision? Is the likelihood of that happening very high? Thank you, doctor.


Dr. Gao Pilin Reply:
Hello: Herpes simplex keratitis is an eye infection caused by the herpes simplex virus. This infection can lead to the formation of blisters or sores around the lips and may sometimes affect the eyes and cornea. Herpes simplex keratitis can impact vision, but this does not occur ...

[Read More] Understanding Herpes Keratitis: Risks and Impact on Vision


Understanding Subconjunctival Hemorrhage: When to Seek Further Medical Attention

Subconjunctival hemorrhage Hello Doctor, five days ago I noticed a blood clot about 3-4 cm in size appearing on the white part of my eye above the cornea. It was only visible when I flipped my eyelid. After seeing a doctor, I was informed that it is a subconjunctival hemorrhage, ...


Dr. Gao Pilin Reply:
Hello: Conjunctival hemorrhage is usually caused by the rupture of conjunctival blood vessels, leading to the leakage of blood and the formation of a clot. In most cases, conjunctival hemorrhage is harmless and typically resolves on its own within a few days. However, if the amou...

[Read More] Understanding Subconjunctival Hemorrhage: When to Seek Further Medical Attention


Distorted Vision: Should I Revisit My Eye Doctor for High Myopia?

The tiles appear to have a distorted grid pattern? I feel like the tiles appear distorted, but the grid pattern seems fine. I'm not sure if this is caused by my lenses. I had a dilated eye exam in early April, and the doctor mentioned that the examination could only reveal a...


Dr. Gao Pilin Reply:
Hello: If you perceive a distortion in the tiles but there are no issues with the grid pattern, this may be related to your visual condition rather than the lenses themselves. During a dilated eye exam, the physician may not be able to fully assess the entire state of the eye, es...

[Read More] Distorted Vision: Should I Revisit My Eye Doctor for High Myopia?


Importance of Regular Eye Exams: Understanding Procedures and Concerns

Regular eye examinations? Hello, Doctor. I have approximately 700 degrees of myopia, some mild presbyopia, and floaters. Since the year before last, I have been going to an ophthalmology clinic for regular check-ups every year. Each time, I undergo vision tests, intraocular press...


Dr. Gao Pilin Reply:
Hello: Turning off the lights to examine the fundus can make it easier for ophthalmologists to observe the details of the retina, but whether the lights are on or off usually does not significantly affect the examination results. This is because ophthalmologists typically use spe...

[Read More] Importance of Regular Eye Exams: Understanding Procedures and Concerns


Should You Remove Eyelashes Stuck in Your Eye? Expert Insights

Do you need to remove an eyelash that has fallen into your eye? When an eyelash falls into the eye, it can cause discomfort on the cornea and a foreign body sensation on the sclera. One may instinctively blink repeatedly until the eyelash is no longer on the surface of the eyebal...


Dr. Gao Pilin Reply:
Hello: Generally speaking, eyelashes that fall into the eye do not cause serious harm and typically do not require special treatment or removal. Blinking can help expel the eyelash from the eye, but it may take several hours or longer for it to be expelled naturally. If the eyela...

[Read More] Should You Remove Eyelashes Stuck in Your Eye? Expert Insights


Corneal Abrasion: Understanding Recovery Time and Vision Restoration

Corneal abrasion, visual recovery? Hello Doctor, Yesterday, on April 13th (Thursday), I accidentally poked my finger into my eyeball. My eye is sensitive to light, I can't open it, and my vision is blurry. After seeing the doctor, it was confirmed that I have a corneal abr...


Dr. He Jianxian Reply:
Hello Ms. Renee: Corneal abrasions caused by such accidents usually heal quickly and rarely leave any long-term complications. It is recommended to continue monitoring until complete recovery. Director He Jianxian, Ophthalmology, Nantou Hospital.

[Read More] Corneal Abrasion: Understanding Recovery Time and Vision Restoration


Dealing with Eye Pain When Moving Your Eyes: Causes and Solutions

Eye pain when moving the eyes? I was recently diagnosed, but my condition has improved significantly. However, I still feel something unusual with my eyes. Since the diagnosis, I experience pain when looking to the left or right. How should I address this situation?


Dr. Gao Pilin Reply:
Hello: Pain during eye movement can be caused by various reasons. Here are some possible causes: 1. Orbital Myositis: Orbital myositis is a condition characterized by inflammation of the eye muscles, usually caused by viral or bacterial infections. This can lead to pain and disco...

[Read More] Dealing with Eye Pain When Moving Your Eyes: Causes and Solutions


Impact of Direct Flash Exposure on Eye Health: Risks and Concerns

The eyes were directly exposed to a flash of light? On April 25th at 5 PM, I used my phone's selfie function to take a close-up photo of my left eye (within 10 to 15 centimeters) and forgot to turn off the flash. The flash directly illuminated my eye, causing my vision to go...


Dr. Cai Wenyuan Reply:
Observe the symptoms, and if they persist, seek medical evaluation.

[Read More] Impact of Direct Flash Exposure on Eye Health: Risks and Concerns


Does Dominant Eye Affect Pupil Size? Understanding Vision and Eye Health

Does habitual eye use affect pupil size? Hello, doctor. Recently, I have experienced side effects from the eye drops prescribed by my ophthalmologist, including miosis (constricted pupils). The doctor advised me to follow up with a neurologist, and while there are no issues with ...


Dr. Gao Pilin Reply:
Hello: It is normal for there to be slight differences in pupil size; however, if you notice a significant difference, it is advisable to consult an ophthalmologist for a thorough examination of your eyes to rule out any underlying issues. Regarding the issue of your right eye ha...

[Read More] Does Dominant Eye Affect Pupil Size? Understanding Vision and Eye Health


Will My Vision Recover After Corneal Abrasion Treatment?

Corneal abrasion Hello, doctor. Last time I experienced sharp pain and blurred vision in my eyes. After seeking medical attention, I was diagnosed with a corneal abrasion. After using eye drops and ointment, the pain has subsided, but my vision is still blurry. I would like to as...


Dr. Gao Pilin Reply:
Hello: The recovery from blurred vision is related to the severity of corneal abrasion, the treatment provided, and the post-treatment condition. In cases of corneal abrasion, using eye drops and ointments are common methods to alleviate ocular discomfort. However, if blurred vis...

[Read More] Will My Vision Recover After Corneal Abrasion Treatment?


Understanding Dry Eye Syndrome Tests: Results, Procedures, and Next Steps

Dry Eye Syndrome Test Hello Doctor, I previously experienced discomfort in my eyes and underwent a tear break-up time test for dry eye syndrome at a hospital, with results of 3/6mm. The doctor advised me to use artificial tears. Two weeks later, since my symptoms did not improve,...


Dr. Gao Pilin Reply:
Hello: 1. I personally use the first method. Excessive eye drops or residual tears can affect the test results. 2. Using artificial tears can indeed provide temporary relief from dry eye symptoms and should not impact the test results. This improvement is usually only temporary a...

[Read More] Understanding Dry Eye Syndrome Tests: Results, Procedures, and Next Steps


Understanding Arcus Senilis: Causes and Next Steps for Eye Health

The appearance of arcus senilis in the eye? Hello, doctor. I have high myopia and high astigmatism. Since I turned 40, I have been going for annual eye examinations. This year in March, my examination results were normal, but the ophthalmologist noticed that I have a arcus senili...


Dr. Gao Pilin Reply:
Hello: Arcus senilis is the phenomenon of a white or gray ring appearing at the edge of the cornea, typically observed in middle-aged or older individuals. Arcus senilis itself is an age-related change and is not necessarily directly associated with high cholesterol levels. Howev...

[Read More] Understanding Arcus Senilis: Causes and Next Steps for Eye Health


Is Light Sensitivity a Sign of Retinal Detachment or Recovery?

It is difficult to determine whether the photophobia is improving or if there is a risk of retinal detachment? Hello, doctor. My eyes only feel strange in terms of color when I look out, and I don't have symptoms like an increase in floaters. Could this be a precursor to ret...


Dr. Gao Pilin Reply:
Hello: Based on your description, you may be experiencing some changes in your eyes, but it is unclear whether these symptoms are related to retinal detachment. Retinal detachment typically presents with symptoms such as floaters and flashes, but not all patients exhibit these sy...

[Read More] Is Light Sensitivity a Sign of Retinal Detachment or Recovery?


Understanding Astigmatism Increase and Its Link to Keratoconus

Regarding the increase in astigmatism and keratoconus? Hello Doctor: I have been wearing glasses for my myopia since middle school, and recently I had to get a new pair of glasses due to failing a vision test. During the eye exam, it was found that my myopia had not significantly...


Dr. Gao Pilin Reply:
Hello: Under normal circumstances, an increase in astigmatism may be due to changes in the shape of the cornea. At your age, the increase in astigmatism is not considered excessive, but if you start experiencing blurred vision and easy fatigue, it may indicate that your eyes are ...

[Read More] Understanding Astigmatism Increase and Its Link to Keratoconus


Understanding Corneal Ulcer Scarring and Vision Recovery Strategies

Corneal ulcer scar Hello, doctor. Recently, I returned to a large hospital for a follow-up regarding a corneal ulcer infection. I was treated with Levofloxacin, Cefazolin Sodium injection, and Betamethasone Disodium Phosphate eye drops. The doctor mentioned that the ulcer and inf...


Dr. Gao Pilin Reply:
Hello: 1. The treatment duration for rigid gas permeable contact lenses varies depending on the situation, generally ranging from several months to a year. It is important to maintain cleanliness and care while using contact lenses, follow the physician's instructions for us...

[Read More] Understanding Corneal Ulcer Scarring and Vision Recovery Strategies


Could Your Eye Symptoms Indicate Glaucoma?

Is it glaucoma? I noticed that when riding my bike tonight, I see halos around lights in my right eye (if the light is red, the halo is only red; if it's yellow, the halo is only yellow). However, when I wear my glasses, everything appears normal. Could this be glaucoma? My ...


Dr. Gao Pilin Reply:
Hello: Seeing halos around lights does not necessarily indicate glaucoma. Halos may occur because the eyes are unable to focus light correctly, which could be due to irregularities in the shape of the eyeball, refractive errors, corneal issues, or lens problems. Since you mention...

[Read More] Could Your Eye Symptoms Indicate Glaucoma?


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