Understanding Visual Snow: Is Screen Time the Cause?
Perception of noise? Hello, doctor. Recently, I have noticed that when I look at the wall, there are particles that resemble television static moving around. It is not very noticeable most of the time, but it becomes more apparent after reading or using my phone, and it also beco...
Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, this condition is known as visual snow syndrome. This phenomenon typically manifests as grainy images resembling television static in the visual field. Here are some possible causes and related information: Possible Causes of Visual Sn...[Read More] Understanding Visual Snow: Is Screen Time the Cause?
Understanding Blurry Vision: Causes and When to Seek Help
Blurred vision A few years ago, my father experienced episodes of sudden blurred vision that would resolve quickly. He visited an ophthalmologist, but the examination did not reveal any significant issues, and he was prescribed some eye drops. However, in the past 2-3 months, his...
Dr. Gao Pilin Reply:
Hello: Based on the situation you described, your father is experiencing sudden blurred vision that does not improve with glasses, and no significant issues were found during the ophthalmic examination. Such symptoms can arise from various factors, some related to the eyes themse...[Read More] Understanding Blurry Vision: Causes and When to Seek Help
Concerns About Eye Damage from Home IPL Hair Removal Devices
Exposure to bright light in the eyes? Today, while using a home IPL hair removal device, I forgot to wear sunglasses. The device emitted light before it was fully in contact with my skin, and I was about 10 centimeters away from it (due to my nearsightedness, I couldn't see ...
Dr. Gao Pilin Reply:
Hello: If there are no symptoms after resting, then it should not be a concern. However, if you do it again next time, you should still be cautious. If any symptoms arise, make sure to see an ophthalmologist promptly.[Read More] Concerns About Eye Damage from Home IPL Hair Removal Devices
Understanding Eye Fatigue: Is It Dry Eyes or Something More?
Eye fatigue Hello, doctor! Thank you for your hard work! I am a 22-year-old female who frequently uses electronic devices. Recently, I have noticed an increase in my nearsightedness and my eyes are easily fatigued. I visited a nearby ophthalmology clinic, and after examination, t...
Dr. Gao Pilin Reply:
Hello: Diagnosing dry eye syndrome requires a tear secretion test. If the dryness is mild, symptoms should improve after warm compresses or treatment. For dry eye syndrome, long-term use of artificial tears and other medications is necessary.[Read More] Understanding Eye Fatigue: Is It Dry Eyes or Something More?
Understanding Binocular Disparity: Nighttime Vision Challenges Explained
Binocular disparity Hello, doctor. I have a significant disparity in my vision; one eye is nearsighted with a prescription of -1.25, while the other eye has normal vision. I can see clearly without glasses during the day, but at night, I experience halos around streetlights and o...
Dr. Gao Pilin Reply:
Hello: The halo effect is likely caused by the myopic eye. Although you can use the good eye for vision, the poor eye will still affect your overall eyesight. If necessary, you should consider getting glasses.[Read More] Understanding Binocular Disparity: Nighttime Vision Challenges Explained
Understanding Monocular Diplopia: Causes and Next Steps
Monocular diplopia Hello doctor, I recently visited three or four medical institutions, including Cheng Kung University and clinics, but they couldn't determine the cause of my double vision in the left eye. When I look with my left eye alone, I experience double vision, and...
Dr. Gao Pilin Reply:
Hello: Monocular diplopia is likely not a neurological issue, but rather a refractive error, particularly astigmatism. Other potential causes include corneal disorders, cataracts, lens dislocation, iris atrophy, and vitreoretinal diseases. I recommend consulting with your examini...[Read More] Understanding Monocular Diplopia: Causes and Next Steps
Cataract Surgery for High Myopia: What to Expect and How to Prepare
Cataract surgery Hello Doctor, I have high myopia and cataracts in both eyes. My left eye has a myopia of -1200 diopters with a vision of 0.15, and my right eye has a myopia of -1400 diopters with a vision of 0.3. I also have presbyopia of +250 diopters and astigmatism of +50 dio...
Dr. Gao Pilin Reply:
Hello Julie: It is possible that with single vision lenses, you may not achieve the best of both worlds for seeing the dashboard clearly and seeing far without glasses. If you retain a prescription of -1.00 diopters for nearsightedness, you will be able to see the dashboard but m...[Read More] Cataract Surgery for High Myopia: What to Expect and How to Prepare
Why Insufficient Prescription Can Lead to Eye Strain and Worsening Myopia
Why does insufficient prescription lead to eye strain and worsening myopia? I have a question that I have been pondering. In the case of insufficient prescription for nearsightedness, it means that distant objects are not clear. To see far away, shouldn't the ciliary muscle ...
Dr. Gao Pilin Reply:
Hello Ant: Insufficient myopia should result in unclear vision, but it does not cause excessive contraction of the ciliary muscle. However, insufficient hyperopia can lead to excessive contraction of the ciliary muscle, resulting in fatigue. Insufficient refractive error will not...[Read More] Why Insufficient Prescription Can Lead to Eye Strain and Worsening Myopia
Is Alternating Between Two Pairs of Glasses Bad for Your Eyes?
Could you please specify your question regarding glasses? Hello, doctor. I would like to ask if alternating between two pairs of glasses could be harmful to my eyes, such as worsening my nearsightedness. The two pairs differ by only 25 degrees. I plan to wear the old pair for clo...
Dr. Gao Pilin Reply:
Hello: If the difference is only 25 degrees, it does not have much impact on the eyes. As long as there is no discomfort, it is acceptable to use it this way.[Read More] Is Alternating Between Two Pairs of Glasses Bad for Your Eyes?
Understanding Astigmatism: Is It Worsening or Just Nearsightedness?
What is astigmatism? Hello, doctor. I apologize for the interruption, and I would like to ask you a few questions. 1. I would like to know if seeing streetlights at night appearing a bit scattered and highway signs being somewhat unclear at a distance is due to an increase in a...
Dr. Gao Pilin Reply:
Hello Jo: 1. Both myopia and astigmatism can cause this phenomenon. 2. It can improve. 3. A slight degree of dispersion is not a problem, because even with the correct prescription, this situation cannot be completely avoided.[Read More] Understanding Astigmatism: Is It Worsening or Just Nearsightedness?
Can I Lower My Myopia Prescription for Comfort While Managing Astigmatism?
Could you please clarify your question regarding the degree issue? Excuse me, I would like to ask if it's possible to slightly reduce the prescription for my nearsightedness to make wearing glasses more comfortable. However, should the prescription for astigmatism be fully c...
Dr. Gao Pilin Reply:
Hello Yu: If you feel it's sufficient, it's okay to reduce myopia a little bit, and the same goes for astigmatism.[Read More] Can I Lower My Myopia Prescription for Comfort While Managing Astigmatism?
Understanding Dry Eye Syndrome and Allergies: Key Differences Explained
Dry Eye Syndrome Issues Dr. Kao, I would like to ask how to differentiate between eye allergies and dry eye syndrome. My ophthalmologist diagnosed me with both conditions but mentioned that I should seek treatment for the allergies, as they are very similar to dry eye syndrome. A...
Dr. Gao Pilin Reply:
Hello Sue: To test for dry eye syndrome, a tear film test can be conducted. Please refer to: https://bit.ly/3Kii3wl. After dilation, the measurement changed from 725 to 900. Based on the change in numbers, this situation is typically associated with hyperopia (farsightedness). In...[Read More] Understanding Dry Eye Syndrome and Allergies: Key Differences Explained
Understanding Post-Surgery Vision Issues: Nearsightedness and Farsightedness After SMILE
After myopic laser surgery, there may be the development of hyperopia? Hello Doctor, I underwent SMILE surgery for my myopia (around -7 to -8 diopters in both eyes) two months ago. However, post-surgery, I have developed hyperopia values of 0.75 to 1.25 diopters in both eyes. I e...
Dr. Gao Pilin Reply:
Hello Ms. Cheng: If you experience blurriness and fatigue while using the computer, you should explain your situation to your doctor to determine if you need to wear prescription glasses for hyperopia (farsightedness). If you need a quick solution, you can try purchasing a pair o...[Read More] Understanding Post-Surgery Vision Issues: Nearsightedness and Farsightedness After SMILE
Is It Normal to Experience Astigmatism After LASIK Surgery?
Postoperative care after myopic laser surgery? Is it normal to have astigmatism two weeks after my laser eye surgery for my nearsightedness? Will it return to normal over time?
Dr. Gao Pilin Reply:
Hello: It may be temporary; we can observe and see how it goes.[Read More] Is It Normal to Experience Astigmatism After LASIK Surgery?
Understanding Myopia: Tips for Managing Vision Issues with Glasses
Vision problems Hello Doctor, I recently started wearing glasses for my nearsightedness for the first time. My prescription shows -1.00 diopters for my left eye and -1.25 diopters for my right eye, with astigmatism that is reportedly very low, almost negligible. I would like to a...
Dr. Gao Pilin Reply:
Recently diagnosed with myopia: 1. It should not increase significantly; wearing glasses is recommended. 2. You can choose to wear them or not while walking or eating. 3. When using a computer, if you wear glasses, you may need to exert some effort to focus. If you want to see ...[Read More] Understanding Myopia: Tips for Managing Vision Issues with Glasses
Improving Vision After LASIK: Tips for Managing Dryness and Fatigue
Postoperative care after myopic laser surgery? Hello, doctor. I have had laser eye surgery for a year now. My right eye has a vision of 1.0, while my left eye fluctuates between 0.8 and 0.9. Before the surgery, my corneal thickness was on the thinner side (495 micrometers), and I...
Dr. Gao Pilin Reply:
Hello Emma: Vision should not be able to improve. Myopia is unlikely to worsen as a result. Although your dominant eye is the left one, you are still seeing clearly with your right eye because the left eye is unclear. As long as you do not overuse your eyes and there are no patho...[Read More] Improving Vision After LASIK: Tips for Managing Dryness and Fatigue
Understanding Eye Fatigue: Causes, Symptoms, and Long-Term Effects of Eye Drops
Eye fatigue Hello, doctor. My question is that my eyes often feel sore, dry, and fatigued. Recently, I've started to notice that small text on my phone appears blurry, but it gets better when I look at things from a distance. However, I still feel like I can't see the t...
Dr. Gao Pilin Reply:
Hello, you may have some degree of hyperopia, which could explain your situation. It would be advisable to get an eye exam. Some eye drops should not be used long-term, while others have minimal side effects; it depends on the specific type of drops. Of course, if your symptoms i...[Read More] Understanding Eye Fatigue: Causes, Symptoms, and Long-Term Effects of Eye Drops
Understanding New Generation Trifocal IOLs for Cataract Surgery Outcomes
Cataracts with multiple opacities in the crystalline lens? Doctor, if I choose the "new generation sinusoidal trifocal intraocular lens" for cataract surgery, will my vision be normal afterwards? Will I not need to wear glasses for nearsightedness or presbyopia? Because...
Dr. Gao Pilin Reply:
Hello, Baby Cabbage: The reason for the postoperative results being like this needs to be examined, so it is essential to consult your attending physician for an explanation. Answers found online can only serve as a reference; it is still necessary to seek medical care at a healt...[Read More] Understanding New Generation Trifocal IOLs for Cataract Surgery Outcomes
Understanding Myopia and Genetic Risks for Future Children
Myopia degree and genetic issues? Hello, Doctor. I have been nearsighted since the second grade, with an initial prescription of around 200 degrees, accompanied by astigmatism. I have always loved reading, especially dense texts, and books have been my constant companion! Current...
Dr. Gao Pilin Reply:
Hello: Based on your description, both you and your boyfriend's myopia is likely acquired. If your future children pay attention to eye care, they may not necessarily develop high myopia. If the degree of myopia is 600, and the retina is healthy, the risk of complications in...[Read More] Understanding Myopia and Genetic Risks for Future Children
Understanding Vision Changes After Cataract Surgery: Common Concerns
Postoperative vision after cataract surgery? Dear Dr. Gao, Thank you very much for your detailed response to #166210. I have three questions to ask you today: 1. I had cataract surgery on my right eye (monofocal aspheric) and my vision was 1300 degrees without any residual pr...
Dr. Gao Pilin Reply:
Hello Jane, 1. Is it possible that the suspected astigmatism issue is causing a vision of 0.5? Yes, astigmatism can potentially affect vision. 2. What is the normal recovery period for vision after cataract surgery with an intraocular lens? It varies; it depends on the surgery ...[Read More] Understanding Vision Changes After Cataract Surgery: Common Concerns