Understanding Pupil Dilation: Concerns About Eye Examination Sounds and Safety
Inquiry about eye problems? Hello, doctor. I went to see a doctor because my eyes were uncomfortable, and the doctor said I needed to undergo dilation. I have had dilation exams before, where the doctor would first instill dilating drops and then use a device similar to a magnify...
Dr. Gao Pilin Reply:
Hello, university student: The three-mirror lens used for examining the peripheral retina can be referenced at https://bit.ly/3amteRL. The sound you hear when it is removed is normal due to the viscous fluid at the interface; it does not harm the cornea or affect vision. The opht...[Read More] Understanding Pupil Dilation: Concerns About Eye Examination Sounds and Safety
Understanding Corneal Issues: Vision Clarity After Orthokeratology
Corneal issues Hello Doctor: Recently, wearing orthokeratology lenses has caused a corneal abrasion. I have already sought medical attention, but the eye with the abrasion actually sees distant objects more clearly than before the abrasion, while near vision is quite unclear and ...
Dr. Gao Pilin Reply:
Hello Wei: This is likely a refractive change caused by a corneal abrasion, which may have shifted your prescription towards hyperopia. Once the abrasion heals, your vision should return to normal. However, if the issue persists, it may be necessary to remeasure your prescription...[Read More] Understanding Corneal Issues: Vision Clarity After Orthokeratology
Will Corneal Scar Treatment Reduce Astigmatism Over Time?
Corneal scarring leads to increased astigmatism? Both corneas have some scarring, which has led to increased astigmatism. Currently, the doctor has prescribed steroid eye drops to help reduce the scarring. Will the astigmatism gradually improve after the scarring diminishes?
Dr. Gao Pilin Reply:
Hello Jin: If the scar is relatively superficial, the astigmatism may gradually lessen. However, if it is deeper, it may cause permanent effects. Regardless, please follow the treatment plan provided by your physician and return for follow-up visits as instructed to achieve the b...[Read More] Will Corneal Scar Treatment Reduce Astigmatism Over Time?
Understanding Corneal Scars: Causes, Symptoms, and Treatment Options
Corneal scar Hello Doctor, I usually wear contact lenses and have high myopia, approximately -600 to -700 diopters. Recently, I developed corneal ulcers and conjunctivitis, which resulted in multiple scars on my cornea and a significant increase in astigmatism. Lately, my vision ...
Dr. Gao Pilin Reply:
Hello Jin: It is possible that the blurriness is caused by scarring, and using eye drops may temporarily reduce astigmatism, making vision clearer. It could also be due to dry eyes; when the cornea is drier, vision may appear hazy, but using eye drops can help clarify it. Additio...[Read More] Understanding Corneal Scars: Causes, Symptoms, and Treatment Options
Understanding Retinal Detachment: Challenges and Treatment Options
Retinal detachment issues? Last July, I went to the hospital for an examination and was diagnosed with retinal detachment. The next day, I underwent surgery to inject gas. After regular follow-ups, over a month later, I discovered another detachment. I was transferred to another ...
Dr. Gao Pilin Reply:
Hello Yan: 1. Is proliferative vitreoretinopathy (PVR) difficult to treat? What is the likelihood of it not being resolved? The chance of resolution depends on the severity of the folds; it is usually a complex surgery, and if the retina can be reattached, it is considered succe...[Read More] Understanding Retinal Detachment: Challenges and Treatment Options
Black Spot at the Junction of Sclera and Cornea: Health Concerns?
There are black spots at the junction of the sclera and the cornea? Hello, doctor. Recently, I noticed a black spot at the junction of the sclera and the cornea (it appears brown when illuminated slightly). The size of the spot is about the same as a dot made by a black pen on wh...
Dr. Gao Pilin Reply:
Hello, Tong: It is possible that it is just a melanocytic lesion, commonly known as a mole. Usually, it does not have any significant impact. However, without an examination, a diagnosis cannot be made. It is advisable to visit an ophthalmologist for peace of mind. The ophthalmol...[Read More] Black Spot at the Junction of Sclera and Cornea: Health Concerns?
Understanding Corneal Degeneration: Causes, Symptoms, and Progression
Corneal degeneration Hello Doctor: Recently, my physician diagnosed me with corneal degeneration, but did not provide much explanation, and I am unsure what this condition entails. Currently, I do not feel any discomfort in my eyes, and the doctor only performed a routine examina...
Dr. Gao Pilin Reply:
Hello Ken: Corneal degeneration is a form of corneal dystrophy. There are many symptoms and manifestations, and your specific situation should be discussed with the examining physician for a proper understanding. The cornea is the transparent outermost layer of the eye. Light mus...[Read More] Understanding Corneal Degeneration: Causes, Symptoms, and Progression
Understanding White Spots on the Eye: Causes and Symptoms
White spots on the eyeball? Hello Doctor: I have noticed a small white spot above the black part of my left eye in the past couple of days. It doesn't hurt, but my eye feels fatigued and occasionally has a foreign body sensation. What could that white spot be a symptom of? T...
Dr. Gao Pilin Reply:
Hello Sharon: The white spots that are painless and not raised may be corneal opacities. It is possible that the corneal epithelium in that area is more prone to abrasion, which can occasionally cause a foreign body sensation. Repeated corneal abrasions may also lead to corneal o...[Read More] Understanding White Spots on the Eye: Causes and Symptoms
Understanding Floaters and Retinal Tears: Risks and Management
Examination of the issue of floaters? Hello, doctor. Recently, I visited a clinic for the first time due to my symptoms of floaters. The doctor confirmed that I have floaters, but also mentioned an issue with retinal traction, which could potentially lead to a retinal tear. I was...
Dr. Gao Pilin Reply:
Hello, Mr. Chunping: Why does the retina get pulled? The interior of the eyeball is filled with vitreous humor, and when the vitreous detaches from the retina, it can cause traction on the retina. For more details, please refer to: http://bit.ly/396RXJZ. This is not related to pu...[Read More] Understanding Floaters and Retinal Tears: Risks and Management
Seeing Rainbow Halos Around Streetlights: Possible Causes Explained
Seeing a rainbow halo around a streetlight? Last week, I had a visual field test and a fundus examination, both of which were normal. A few days ago, I noticed rainbow halos around streetlights, so I immediately visited an ophthalmologist. My intraocular pressure was normal, and ...
Dr. He Jianxian Reply:
Hello Vivi: First, it is important to understand that glaucoma is not possible, as only acute glaucoma can cause such a condition. If you are wearing glasses, dirty lenses or impurities in your tears could also lead to similar issues. Dr. He Jianxian, Ophthalmologist, Nantou Hosp...[Read More] Seeing Rainbow Halos Around Streetlights: Possible Causes Explained
Understanding Eye Redness: Causes and When to Seek Help
Conjunctival injection (redness of the sclera) Hello, doctor. Today I noticed a red streak in the sclera at the outer corner of my right eye, which appears more pronounced and redder. The streak extends towards the cornea, and there are finer blood vessels near the cornea (I migh...
Dr. Gao Pilin Reply:
Hello Anbao: Eye redness is generally harmless to the eyes and is not directly related to anxiety disorders. Sometimes, eye fatigue and lack of sleep can cause eye redness. Taking a break may improve the situation. However, there are also certain eye conditions that can lead to r...[Read More] Understanding Eye Redness: Causes and When to Seek Help
Understanding Glaucoma: Symptoms, Diagnosis, and Eye Health Concerns
About glaucoma? I found some information about glaucoma online and became worried that I might have it. Previously, I noticed rainbow halos around lights at night. After visiting an ophthalmologist, my intraocular pressure was measured and found to be within the normal range. The...
Dr. He Jianxian Reply:
1. An indirect ophthalmoscope can visualize the retina and the optic nerve. 2. The description of glaucoma you mentioned refers to the halo phenomenon seen in acute angle-closure glaucoma with corneal edema. With your -6.00 diopter myopia, it is highly unlikely for you to exper...[Read More] Understanding Glaucoma: Symptoms, Diagnosis, and Eye Health Concerns
Understanding Halo Effects Around Streetlights: Causes and Concerns
Seeing halos around streetlights at night? Hello, Doctor: When I look at streetlights at night, I see halos around them, with the center being brighter and the outer edges darker. Standing directly under the streetlight makes the halo larger, while moving further away makes it sm...
Dr. Gao Pilin Reply:
Hello Sharon: If there is no glaucoma and no cataract, seeing halos around lights is likely an issue with the cornea. Conditions such as corneal irregularity, corneal edema, and corneal opacity can cause this, but the most common cause is astigmatism. Your symptoms seem more alig...[Read More] Understanding Halo Effects Around Streetlights: Causes and Concerns
Understanding Viral Conjunctivitis and Its Impact on Corneal Health
Debridement of pseudomembrane after viral conjunctivitis? Hello Doctor, I would like to ask about my condition. I started experiencing a foreign body sensation, photophobia, and dryness in my left eye on February 2nd, which led me to seek medical attention. By February 7th, my sy...
Dr. Gao Pilin Reply:
Hello Cathy: I have noticed that my left eye has been experiencing persistent blurred vision due to a scratched cornea. The removal of the pseudomembrane involves scraping the thin white membrane on the inner side of the eyelid, not the cornea itself. The corneal abrasion is caus...[Read More] Understanding Viral Conjunctivitis and Its Impact on Corneal Health
Understanding Eye Drops for Conjunctivitis: Safety and Treatment Options
Medication Consultation: Conjunctivitis A year ago, I had severe conjunctivitis, and the doctor said it was resolved. Later, I developed white spots on my cornea, and the doctor prescribed Winston Hylo Gel 0.2% eye drops, which I used for about six months. Although I didn't ...
Dr. Gao Pilin Reply:
Hello, Dadai: CROMO EYE DROPS 2%: Antiallergic. FLUORONE ophthalmic 0.1%: Anti-inflammatory, containing steroids, is necessary for conjunctivitis that requires steroid treatment. Short-term use typically has minimal side effects. Use as directed by your physician and adjust acc...[Read More] Understanding Eye Drops for Conjunctivitis: Safety and Treatment Options
Will an Eye Exam Check for Eye Injuries and Health Issues?
Will an eye examination check for any damage to the eyes? Hello Dr. Gao: Due to my work environment, I sometimes get small dust particles or foreign objects in my eyes. Occasionally, I rub my eyes a bit, but I'm concerned about potentially damaging my eyeball. I have researc...
Dr. Gao Pilin Reply:
Hello Mr. Zeng: In a general ophthalmology outpatient examination, the slit lamp can be used to check for any eye injuries. Additionally, vision, intraocular pressure, cornea, lens, retina, and optic nerve status will also be assessed. If you express your concerns during the exam...[Read More] Will an Eye Exam Check for Eye Injuries and Health Issues?
Essential Eye Care Tips for Managing Myopia and Retinal Health
Vision care Hello Doctor: Recently, I heard from a friend that high myopia can lead to retinal detachment, and I suddenly became very sensitive to the floaters I have been accustomed to. I am afraid I might experience the same issue. Over the past three months, I have visited cli...
Dr. Gao Pilin Reply:
Hello Mr. Lee, 1. Is retinal detachment sudden, or can it be observed during regular eye examinations as a precursor? How often should one be checked? Retinal detachment is usually sudden; however, during regular examinations, if areas of the retina appear thinner or if there ar...[Read More] Essential Eye Care Tips for Managing Myopia and Retinal Health
Understanding Elevated Eye Pressure: Risks of Glaucoma and What to Expect
Intraocular pressure issues? Hello Doctor, my corneal thickness is over 600 micrometers, and I have myopia of around -8.00 diopters in both eyes. My usual intraocular pressure is around 21 mmHg. Two months ago, I measured it at the clinic, and it was still around 21-22 mmHg. Howe...
Dr. Gao Pilin Reply:
Hello Mr. Huang: The term "marginal" likely indicates that you have not yet undergone a visual field test, while the eye pressure and the appearance of the optic nerve suggest signs of glaucoma. If the intraocular pressure is elevated and there are changes in the optic ...[Read More] Understanding Elevated Eye Pressure: Risks of Glaucoma and What to Expect
Understanding High Myopia: Key Questions on Measurement and Treatment
High myopia 1. Does high intraocular pressure affect the measurements of myopia instruments? 2. Does wearing contact lenses all day the previous day affect the measurements taken by the instruments the next day? 3. If a SMILE laser procedure is performed on a patient with a measu...
Dr. Gao Pilin Reply:
Hello Kathy: 1. High intraocular pressure can affect the measurement of refractive error if it impacts the cornea or lens. 2. Wearing contact lenses all day the previous day should not have a significant effect, unless it causes corneal edema. 3. SMILE can treat myopia up to -10...[Read More] Understanding High Myopia: Key Questions on Measurement and Treatment
Post-Retinal Detachment Surgery: Understanding Silicone Oil and Laser Treatment
Post-Retinal Detachment Surgery 1. Doctor, my father had retinal detachment surgery over a month ago and has silicone oil injected. If the silicone oil is still inside, will there be a risk of re-detachment, or will that only occur after it is removed? 2. If the silicone oil is...
Dr. Gao Pilin Reply:
Hello Mr. Hsu, 1. Generally, silicone oil is less likely to detach from the retina; however, complications can occur, such as cataracts, glaucoma, and corneal disease. In a small number of severe cases, removing the oil may lead to retinal re-detachment and ocular atrophy, which...[Read More] Post-Retinal Detachment Surgery: Understanding Silicone Oil and Laser Treatment