Understanding Eye Drops: Usage, Effects, and Common Concerns
Usage of Eye Drops 1. I have been experiencing tightness in the muscles of my left eye, which often causes itching in the lower eyelid and makes it relatively difficult to see. I consulted a doctor who prescribed "Pataday eye drops" and "Methacholine sulfate."...
Dr. Gao Pilin reply Ophthalmology
Hello: 1. Regarding the use of eye drops, in general, the eye drops prescribed by the doctor are intended for use in one eye. Unless otherwise specified, it is recommended that you apply the drops to the left eye only. When instilling the drops, there is no need to pull down th...[Read More] Understanding Eye Drops: Usage, Effects, and Common Concerns
Understanding Floaters and Flashes: When to Seek Eye Care
Floaters and flashes in the eyes? Hello, Doctor. Recently, due to the upcoming major exams, I have been studying every day, which has led to excessive eye strain and a noticeable increase in my floaters. I would like to ask you the following questions: 1. How many floaters are ...
Dr. Gao Pilin reply Ophthalmology
Hello: 1. The severity of floaters varies from person to person; some may experience them mildly while others may find them more pronounced. There is no specific standard for how many floaters are considered "many," but if you notice a significant increase in floaters...[Read More] Understanding Floaters and Flashes: When to Seek Eye Care
Understanding Poor Light Sensitivity: Causes and Solutions for Eye Health
Diminished light sensitivity? 1. Experiencing insufficient lighting both indoors and outdoors, with a slightly dim and yellowish appearance, could indicate a few issues. Even if the fluorescent lights at your workplace are bright, you may still perceive the environment as dim due...
Dr. Gao Pilin reply Ophthalmology
Hello: 1. The insufficient light perception and slight yellow tint you described may involve multiple factors related to the eyes. Firstly, it could be associated with eye fatigue, which can occur from prolonged use of electronic devices or extended periods of staring at enviro...[Read More] Understanding Poor Light Sensitivity: Causes and Solutions for Eye Health
Understanding Color Spots in Vision: Causes and Concerns
Appearance of colored spots in the eyes? Hello, doctor. About twenty minutes after I woke up, I noticed a colorful spot in my vision towards the lower right side. The size is approximately that of the fingertip of my last phalanx when holding a book, and its brightness is slightl...
Dr. Gao Pilin reply Ophthalmology
Hello: Based on the symptoms you described, this may be a temporary visual phenomenon related to various factors. Since I cannot directly examine your eyes, the following is for reference only, and I recommend that you see an ophthalmologist for a detailed evaluation as soon as p...[Read More] Understanding Color Spots in Vision: Causes and Concerns
Understanding Night Vision Distortions: When Lights Appear as Fireworks
At night, when I don't wear my glasses, the lights appear distorted and form circular shapes made up of many small dots? Hello, doctor. I usually wear glasses when I go out at night, but I didn't pay attention and last night I didn't wear my glasses. I noticed that...
Dr. Gao Pilin reply Ophthalmology
Hello: Based on your description and the provided simulation, this phenomenon may be related to your refractive error, particularly the 300-degree myopia in your right eye. Without glasses, light may not focus correctly on the retina, causing lights and other highlights to scatte...[Read More] Understanding Night Vision Distortions: When Lights Appear as Fireworks
Managing Eye Drops After Accidental Contamination: Risks and Recommendations
Bacterial infections/fungal infections related issues? Hello, doctor. I have severe astigmatism and dry eye symptoms. Yesterday, I visited an ophthalmologist who prescribed a bottle of antihistamine (ketotifen) for inflammation. Last night, while I was using the antihistamine eye...
Dr. Gao Pilin reply Ophthalmology
Hello: 1. Generally speaking, it is recommended not to use an eye drop bottle that has fallen on the floor, even if you have cleaned the tip. This is because the floor may harbor bacteria or other contaminants, which could increase the risk of eye infections. The best practice is...[Read More] Managing Eye Drops After Accidental Contamination: Risks and Recommendations
Understanding Eye Discomfort: Causes and Solutions for Vision Issues
Eye discomfort? 1. Hello Doctor, I have a myopia of 600 degrees and my glasses prescription is over 500 degrees. About two to three weeks ago, after I took off my glasses and stared into the distance, I felt a pressure in my eyes. Even after resting, there was no improvement. I h...
Dr. Gao Pilin reply Ophthalmology
Hello: 1. Regarding the feeling of pressure in your eyes, even though you have already consulted an ophthalmologist without finding a clear cause, it may be due to multiple factors. Prolonged near work can lead to a habit of eye strain, and when you try to relax your eyes by lo...[Read More] Understanding Eye Discomfort: Causes and Solutions for Vision Issues
Managing Atropine Dosage for Myopia Control in Children
The concentration of the mydriatic agent atropine is reduced? Dear Director Gao, Thank you for your continued enthusiasm in responding to online inquiries; I have greatly benefited from reading your posts. My daughter, who is over 7 years old, was diagnosed with 50 degrees of my...
Dr. Gao Pilin reply Ophthalmology
Hello: You can give it a try, but after using it for a month, it's best to check your prescription again. If there isn't much change, you can continue using it. I believe the concentration is quite low, so you can make the adjustment directly. Thank you for your message...[Read More] Managing Atropine Dosage for Myopia Control in Children
Understanding Dry Eye Syndrome: Common Questions and Concerns
I would like to ask a few questions regarding dry eye syndrome? Hello, doctor. May I ask you a few questions? 1. On December 15, 2023, in the afternoon, I suddenly noticed floaters in my vision while looking at my phone. After that, my eyes felt very painful and started tearing...
Dr. Gao Pilin reply Ophthalmology
Hello: 1. The symptoms you described, including the sudden appearance of floaters, stinging, tearing, redness in the corners of the eyes, dryness, a feeling of pressure in the head, and sensitivity to headlights at night with blurred vision, may indicate dry eye syndrome rather...[Read More] Understanding Dry Eye Syndrome: Common Questions and Concerns
Understanding Macular Degeneration: Injection Treatment and Recovery Insights
Examination of the macula? Hello, doctor. I would like to ask about my father's eye examination today. The doctor mentioned that there is some degeneration in the macula, which is causing his vision to be somewhat blurry. However, the doctor spoke very quickly, and I didn&#x...
Dr. Gao Pilin reply Ophthalmology
Hello: Regarding the condition of macular degeneration, ophthalmologists typically recommend intravitreal injection therapy to promote retinal health and improve vision. This treatment primarily targets lesions in the macula, such as macular degeneration. Administering medication...[Read More] Understanding Macular Degeneration: Injection Treatment and Recovery Insights
Understanding Visual Afterimages and Color Sensitivity After Retina Laser Surgery
Visual afterimages, complementary colors, photophobia? Hello, I have undergone retinal laser treatment (for a retinal tear) and I am currently having regular check-ups. My last examination, including a fundus examination, was normal. However, I am now experiencing complementary c...
Dr. Gao Pilin reply Ophthalmology
Hello: Visual persistence is divided into positive afterimages and negative afterimages. It refers to the phenomenon where visual perception remains for a period of time after the light stimulus on the retina has ceased. Positive afterimages are identical to the original image, w...[Read More] Understanding Visual Afterimages and Color Sensitivity After Retina Laser Surgery
White Circle in Vision After Waking: Possible Causes and Concerns
Upon getting out of bed in the morning, I noticed a white circle in the center of my vision? Hello, doctor. When I got up this morning, I suddenly saw a white circle in my field of vision, and there were also some white spots in other areas. What could be the possible causes of t...
Dr. Gao Pilin reply Ophthalmology
Hello: The sudden appearance of white circles and other white spots may be related to the health of your eyes. Several potential factors could cause this condition. First, may I ask if you are experiencing blurred vision, eye pain, or any other discomfort? These symptoms could in...[Read More] White Circle in Vision After Waking: Possible Causes and Concerns
Understanding Vitreous Degeneration and Its Impact on Eye Health
Vitreous degeneration Continuing from question 204644, I apologize for bothering you again, Doctor. I would like to ask if, under the premise that there are no issues found during the dilated eye examination, is there still a possibility of 1. glaucoma, 2. visual field defects, o...
Dr. Gao Pilin reply Ophthalmology
Hello: Based on your recent dilated eye examination being normal, it is generally possible to rule out certain conditions such as retinal and optic nerve atrophy. However, glaucoma and visual field defects may not be detected through a dilated exam, and additional tests are neede...[Read More] Understanding Vitreous Degeneration and Its Impact on Eye Health
Can Patients with Alternating Exotropia Wear Contact Lenses?
Alternating exotropia I would like to ask Dr. Gao if individuals with alternating exotropia can wear contact lenses. If I am considering surgery for correction, does Dr. Gao have any recommendations for specialists or hospitals in this area, or does Dr. Gao perform this type of s...
Dr. Gao Pilin reply Ophthalmology
Hello: Alternating exotropia can also be corrected with contact lenses. If you are considering surgery for correction, please consult a physician specialized in strabismus and amblyopia. This specialty is typically available in the ophthalmology departments of major hospitals, so...[Read More] Can Patients with Alternating Exotropia Wear Contact Lenses?
Understanding Suspected Early Glaucoma and Vision Loss: Key Insights
Glaucoma and Visual Field Loss: The Gray Area Between Presence and Absence Hello, Director. Recently, during a routine eye examination (which included intraocular pressure, fundus examination, OCT, and visual field tests), the physician determined that there was some visual field...
Dr. Gao Pilin reply Ophthalmology
Hello: Since I have not examined you in person, my response is for reference only. Please consult your ophthalmologist for specific treatment recommendations. 1. It appears that your fundus examination results show some changes, including the structure of the optic nerve head. ...[Read More] Understanding Suspected Early Glaucoma and Vision Loss: Key Insights
Choosing the Right Contact Lenses for Astigmatism: A Guide for Young Adults
How to choose toric contact lenses for astigmatism? Hello Doctor, I am currently 20 years old and will be turning 21 soon. Recently, I measured my vision and found that my left eye has a myopia of -4.75 with no astigmatism, while my right eye has a myopia of -4.00 with astigmatis...
Dr. Gao Pilin reply Ophthalmology
Hello: 1. Regarding your current vision situation, your left eye has a myopia of -4.75 diopters, and your right eye has a myopia of -4.00 diopters with astigmatism of -1.25 diopters, which does not require special treatment. 2. The degree of astigmatism is relatively stable, and ...[Read More] Choosing the Right Contact Lenses for Astigmatism: A Guide for Young Adults
Understanding Rainbow Halos and Glaucoma: Eye Exam Insights
Fundus examination for glaucoma? Hello, Doctor. I would like to ask: 1. Tonight, while looking at streetlights or other lights, I noticed a rainbow halo around them. I was initially worried it might be glaucoma, but then I realized that adjusting my glasses eliminated the effec...
Dr. Gao Pilin reply Ophthalmology
Hello: 1. The phenomenon of rainbow halos you described may be due to the improper positioning of your glasses, causing light to scatter when it enters your eyes. If the symptoms disappear after adjusting the position of your glasses, this typically indicates that it is not rel...[Read More] Understanding Rainbow Halos and Glaucoma: Eye Exam Insights
Choosing the Right Contact Lenses for Astigmatism: A Guide for Young Adults
How to choose toric contact lenses for astigmatism? Hello Doctor, I am currently 20 years old and will be turning 21 soon. Recently, I measured my vision and found that my left eye has a myopia of -4.75 with no astigmatism, while my right eye has a myopia of -4.00 with astigmatis...
Dr. Gao Pilin reply Ophthalmology
Hello: 1. Regarding your current vision condition, your left eye has a myopia of -4.75 diopters, and your right eye has a myopia of -4.00 diopters with astigmatism of -1.25 diopters, which does not require special treatment. 2. The degree of astigmatism is relatively stable, and ...[Read More] Choosing the Right Contact Lenses for Astigmatism: A Guide for Young Adults
Understanding Eye Symptoms: White Spots and Floaters After Contact Lens Use
Upon removing the contact lenses using a scissor-like motion, white speckled light spots were observed? Hello Doctor: I have a family history of high myopia (currently around -1000 diopters in both eyes). About a week ago, I noticed symptoms of floaters, so I had a dilated eye ex...
Dr. Gao Pilin reply Ophthalmology
Hello: (1) Using a scissor-like motion to remove contact lenses will not pull on the retina. However, considering that you already have high myopia and are experiencing symptoms of floaters, it is advisable to remain cautious in this regard. Please ensure that the action of remov...[Read More] Understanding Eye Symptoms: White Spots and Floaters After Contact Lens Use
Can Wearing Two Pairs of Glasses Cause Strabismus?
Overlapping glasses frames? Wearing one pair of non-prescription glasses with blue light and UV protection, and another pair with a prescription of -1.50 diopters, should not cause strabismus. However, it is important to ensure that you are using the correct pair for the appropri...
Dr. Gao Pilin reply Ophthalmology
Hello: Based on your description, one pair of glasses has no prescription and provides blue light and UV protection, while the other has a prescription of +1.50. Such a configuration should not lead to strabismus. However, if you experience any discomfort, blurriness, or eye fati...[Read More] Can Wearing Two Pairs of Glasses Cause Strabismus?