Understanding Floaters: Eye Health, Symptoms, and Management Tips
Floaters and Fundus Examination Hello Doctor: I am 26 years old, with myopia of -7.75 diopters in my left eye and -6.50 diopters in my right eye (both eyes have astigmatism below 25 degrees). After graduating from university, I have been working long hours on the computer for abo...
Dr. He Jianxian reply Ophthalmology
1. No, it won't. 2. Judging by the duration, it doesn't seem like it; it resembles an afterimage more. 3. Avoid lifting things suddenly with force; slowing down has less impact on the eyes. 4. This requires self-adjustment.[Read More] Understanding Floaters: Eye Health, Symptoms, and Management Tips
Understanding Visual Disturbances: Shadows, Afterimages, and Conjunctivitis
After seeing red light in the dark, the eyes immediately perceive a cyan-green afterimage, along with conjunctivitis and retinal issues? Hello, I have high myopia. I just had an eye examination in March of this year (which included OCT and slit lamp examination of the retina). Th...
Dr. He Jianxian reply Ophthalmology
1. Afterimages are a normal phenomenon and should not be a cause for concern. 2. It may feel like floaters. 3. I cannot answer without knowing what you are describing. 4. Conjunctivitis and eye discharge are not significantly harmful to the eyes, but they can cause discomfo...[Read More] Understanding Visual Disturbances: Shadows, Afterimages, and Conjunctivitis
Understanding Styes: Treatment Options and Pain Management
Stye surgery I apologize for the inconvenience, but I would like to ask about my tendency to develop styes. In the past, whenever I felt something was off, I would visit the doctor for eye drops and medication. However, this time when I noticed the stye, the doctor mentioned that...
Dr. He Jianxian reply Ophthalmology
If a stye has already become pus-filled, it is recommended to puncture it with a needle if possible, as it is not very painful. If it has not yet matured, applying medication is sufficient.[Read More] Understanding Styes: Treatment Options and Pain Management
Can You Dive After Retinal Detachment Surgery? Expert Insights
Post-retinal detachment surgery Hello Doctor, I had a scleral buckle surgery on my right eye due to retinal detachment (without gas tamponade) over a year ago. Both eyes have also undergone retinal laser treatment, and I have been regularly attending follow-up appointments with s...
Dr. He Jianxian reply Ophthalmology
Theoretically, if the fit is very good, there should be no issues. The above is provided for reference.[Read More] Can You Dive After Retinal Detachment Surgery? Expert Insights
Can Core Strength Training Be Safe with Macular Hole?
Can core muscle training be performed with a macular hole? Dear Doctor, I have a macular hole in my left eye with a vision of 0.5. Recently, I have been exercising at the gym. Can I use the treadmill, stationary bike (at a fast pace), and other equipment for leg muscle training? ...
Dr. He Jianxian reply Ophthalmology
There should be no significant relationship between exercising and macular holes; I have not heard of exercise causing subsequent issues.[Read More] Can Core Strength Training Be Safe with Macular Hole?
Understanding Macular Degeneration: Distorted Vision and Amsler Grid Testing
Macular degeneration Hello, Director. I apologize for the interruption. Yesterday, I used an A4-sized Amsler grid for testing. During the test, I noticed some visual distortion. Specifically, I observed slight wavy distortions at the very edges. When looking closely (about 10 cm ...
Dr. He Jianxian reply Ophthalmology
Generally, close-range testing should not be conducted at a distance of 10 centimeters; a standard distance is 30 to 40 centimeters. I cannot assess any issues detected under non-standard conditions.[Read More] Understanding Macular Degeneration: Distorted Vision and Amsler Grid Testing
Understanding Optic Nerve Cupping: CT Scan Implications and Eye Health
Optic nerve sheath meningioma brain computed tomography? I have a problem with the cupping of my optic nerve, and my myopia is measured at -7.75, -7.50, and -7.50. An ophthalmologist has performed a preliminary examination and confirmed that it is not glaucoma. Everything else ap...
Dr. He Jianxian reply Ophthalmology
There are no reports indicating that performing a CT scan affects the optic nerve in clinical practice, so you can rest assured.[Read More] Understanding Optic Nerve Cupping: CT Scan Implications and Eye Health
Understanding Shadows in Vision: Dry Eyes and Floaters Explained
Eye corner shadow Excuse me, doctor. I have dry eye syndrome and floaters, with myopia not exceeding 400 degrees and astigmatism not exceeding 300 degrees. Recently, I occasionally notice slight shadows when looking slightly down to the left and right, and when I tilt my head sli...
Dr. He Jianxian reply Ophthalmology
It is likely that you are referring to floaters; I recommend undergoing a dilated eye examination by an ophthalmologist.[Read More] Understanding Shadows in Vision: Dry Eyes and Floaters Explained
Understanding Macular Issues: Recovery Time for Fluid Post-Surgery
Macular issues Hello, Doctor He. I have developed a macular hole due to vitreous traction and underwent gas tamponade surgery at the end of last year (107 in the Taiwanese calendar). The macula successfully reattached, but after the reattachment, a small space formed at the botto...
Dr. He Jianxian reply Ophthalmology
The timing cannot be determined; it is advisable to directly consult your surgeon for a more accurate answer.[Read More] Understanding Macular Issues: Recovery Time for Fluid Post-Surgery
Understanding Glaucoma Symptoms: When to Seek Medical Attention
About glaucoma? Today I visited the doctor. Currently, the intraocular pressure in both eyes is at 20 mmHg, and I have myopia of -7.75 diopters in both eyes, but I can still see clearly. Recently, I've been experiencing occasional stiffness in my neck, slight pressure in my ...
Dr. He Jianxian reply Ophthalmology
The symptoms of glaucoma you mentioned likely refer to acute glaucoma, which is almost impossible to occur in eyes with a refractive error of -775 diopters. If the doctor has examined and found no issues, there is no need to worry.[Read More] Understanding Glaucoma Symptoms: When to Seek Medical Attention
Laser Eye Exposure: Symptoms, Treatments, and Specialist Referrals
The eye was exposed to laser light? Hello, about two months ago, I was exposed to a 532 nm green laser in an experiment (both eyes were scanned, approximately 0.1 mW, without protective goggles). I didn't notice it at the time, but I felt a flickering sensation in front of m...
Dr. He Jianxian reply Ophthalmology
The damage caused by a laser is immediate. If your retina is hit by laser light, early damage should be visible during a dilated fundus examination; if it is not visible, it is likely that there is no damage. Furthermore, the energy of the laser light you were exposed to is only ...[Read More] Laser Eye Exposure: Symptoms, Treatments, and Specialist Referrals
Understanding the Use of Eyedrops for Glaucoma: A Patient's Concern
Ivermectin eye drops Hello Doctor, I am 24 years old and have severe myopia, with both eyes at -800 diopters. Earlier this year, I had an examination at a hospital in the northern part of Taiwan, where the doctor informed me that I might have glaucoma, as my intraocular pressure...
Dr. He Jianxian reply Ophthalmology
If you have concerns about glaucoma, it is advisable to consult with an ophthalmologist for a more definitive assessment, as I do not have the necessary information to make a clear determination. Regarding astigmatism-related visual disturbances, if you have already seen four oph...[Read More] Understanding the Use of Eyedrops for Glaucoma: A Patient's Concern
Understanding Visual Distortion After Retinal Surgery: Causes and Concerns
Post-operative visual distortion after unilateral retinal detachment surgery? Hello Doctor: Last year, I underwent vitrectomy, gas tamponade, and artificial lens implantation due to a single-eye retinal detachment. It has been just over a month since the artificial lens was impla...
Dr. He Jianxian reply Ophthalmology
Theoretically, the macula has not yet returned to its normal fine structure, which is a common phenomenon after detachment surgery. It is necessary to wait for a period of time for gradual recovery.[Read More] Understanding Visual Distortion After Retinal Surgery: Causes and Concerns
Understanding Retinal Pallor: Implications for Vision and Eye Health
Retinal pallor Hello, Doctor: Recently, I went to an ophthalmology clinic for a dilated eye examination because I saw shadows in my vision. After the examination, the doctor mentioned that a part of my left retina appeared paler, but advised me to monitor the situation. However, ...
Dr. He Jianxian reply Ophthalmology
It is unclear what you mean by a part of the retina appearing paler. It is highly unlikely to be a stroke, as the examining physician would certainly explain this to you on the spot if it were the case. It would be more appropriate for you to consult the original examining physic...[Read More] Understanding Retinal Pallor: Implications for Vision and Eye Health
Does Long-Term Use of Glaucoma Medications Cause Cataracts?
Does long-term use of glaucoma medications lead to cataracts? Hello Doctor: First, let me explain my situation. I have been diagnosed with retinitis pigmentosa (night blindness and constricted visual fields), congenital nystagmus, and amblyopia since childhood, with both eyes hav...
Dr. He Jianxian reply Ophthalmology
1. The glaucoma medication you are currently using should not have a risk of causing cataracts. 2. There is currently no effective treatment for pigmentary retinal degeneration, and this condition is indeed often associated with the occurrence of cataracts. As for glaucoma, there...[Read More] Does Long-Term Use of Glaucoma Medications Cause Cataracts?
Understanding Sudden Black Spots After Macular Degeneration Surgery
Macular degeneration Hello: My mother has stage four macular degeneration and delayed seeking treatment for some time. The doctor recommended surgery. Five days after the surgery, she suddenly developed a large dark circle in her vision. I would like to know why this large dark c...
Dr. He Jianxian reply Ophthalmology
What is commonly referred to as dark circles? It is advisable to consult your attending physician directly for a clearer understanding.[Read More] Understanding Sudden Black Spots After Macular Degeneration Surgery
Understanding Severe Floaters: Impact of Screen Time on Eye Health
Severe floaters syndrome Hello Doctor: I have been experiencing floaters for the past 10 years, but the symptoms were mild and did not affect my daily life. However, in the past two years, due to my job requiring me to stare at a computer for over 8 hours a day, the floaters have...
Dr. He Jianxian reply Ophthalmology
1. The occurrence of floaters is likely not significantly related to your work; it primarily results from the degeneration and shrinkage of the vitreous body, so continuing to engage in computer-related work should not have a major impact. 2. There is not much correlation between...[Read More] Understanding Severe Floaters: Impact of Screen Time on Eye Health
Understanding Suspected Glaucoma: Early Signs and Preventive Measures
Suspected glaucoma? Hello, doctor. I recently had an OCT examination at the ophthalmology department, and there is a small depression in the red area of the optic nerve head, approximately 0.5. My intraocular pressure is 17 in one eye and 18 in the other. The doctor mentioned a s...
Dr. He Jianxian reply Ophthalmology
1. Whether it is in the early stage depends on the extent of the visual field loss. 2. If there is no glaucoma, it is not recommended to use eye drops for prevention.[Read More] Understanding Suspected Glaucoma: Early Signs and Preventive Measures
Post-Laser Eye Surgery Care: Essential Tips and Considerations
Post-laser care methods and precautions? Dear Chief Physician, Three months ago, I discovered a retinal tear in the upper right quadrant of my right eye during a health check-up and urgently underwent laser surgery at National Taiwan University Hospital. Currently, the black sha...
Dr. He Jianxian reply Ophthalmology
1.2 Laser treatments typically have no side effects. 3. There should be no issues with flying. 4. No special care is required after laser treatment.[Read More] Post-Laser Eye Surgery Care: Essential Tips and Considerations
Foggy Vision After Shower: Possible Causes and Solutions
After taking a shower, my eyes feel hazy? I have high myopia and have previously undergone surgery for retinal detachment in my left eye, as well as cataract surgery. After showering, I often feel that my vision is foggy and I experience a sensation of foreign body irritation, as...
Dr. He Jianxian reply Ophthalmology
Based on your description, it is possible that water and body wash entered your eyes while bathing, which may temporarily disrupt the tear film balance, leading to blurred vision and a sensation of foreign body presence.[Read More] Foggy Vision After Shower: Possible Causes and Solutions