Understanding Rainbow Halos: When to Seek Eye Care for Symptoms
Rainbow halo Dear Doctor, I later discovered some additional conditions, so I have a few more questions for you to consider regarding whether I should go to the hospital for an examination: 4. When I lower my head, close my eyes, and then raise my head to look at a streetligh...
Dr. He Jianxian reply Ophthalmology
A. Eye pressure can increase when the head is lowered. B. Corneal edema can cause halos around lights. C. Poorly fitting or unclean glasses can also lead to seeing halos around the iris.[Read More] Understanding Rainbow Halos: When to Seek Eye Care for Symptoms
Understanding Retinal Melanoma: Symptoms, Treatment, and Eye Care Tips
Retinal melanoma About seven years ago, I underwent laser surgery for my myopia, which was around 600 degrees at that time. Recently, I went to the hospital for a fundus examination, and the doctor informed me that there is a melanoma located beneath the retina in my right eye. H...
Dr. He Jianxian reply Ophthalmology
1. The quality of commercially available artificial tears is generally acceptable. You can try different brands to see which one suits you best. Artificial tears are designed for long-term use, so they are not likely to cause problems. 2. A burn is a superficial issue and is no...[Read More] Understanding Retinal Melanoma: Symptoms, Treatment, and Eye Care Tips
Post-Retinal Surgery Questions: Can I Lift Weights and Exercise?
Questions after retinal surgery? I would like to ask about my retina, which was injured and I have high myopia. I underwent scleral buckle surgery at the end of April last year, and it has been over a year now. However, I am still unsure if I can lift heavy objects. Are there any...
Dr. He Jianxian reply Ophthalmology
Normal daily activities should not pose any issues; however, it is advisable to avoid high-impact activities such as running or jumping, as well as lifting heavy objects. The appearance of floaters after surgery can be concerning, but they are generally harmless and do not requir...[Read More] Post-Retinal Surgery Questions: Can I Lift Weights and Exercise?
Understanding Macular Traction: Concerns for High Myopia Patients
Macular traction Dr. He, I am a patient with high myopia (right eye -1800 degrees, left eye -1350 degrees). Recently, I went for an examination (OCT), and the doctor mentioned that there is some traction in the macula. I was taken aback and didn’t know what questions to ask. I on...
Dr. He Jianxian reply Ophthalmology
Macular traction is generally caused by the proliferation of a thin membrane in front of the retina. If it does not lead to significant vision loss or visual distortion, it is recommended to simply monitor the condition. Otherwise, surgical intervention may be necessary. This is ...[Read More] Understanding Macular Traction: Concerns for High Myopia Patients
Understanding Retinal Detachment: Risks, Recovery, and Lifestyle Impact
The likelihood of recurrence after retinal detachment? Hello, doctor. I have a few questions I would like to ask you. I underwent scleral buckle surgery this year. Since I have a persistent need for smoking and drinking, could you please tell me if smoking, drinking, and staying ...
Dr. He Jianxian reply Ophthalmology
1. Theoretically, smoking and alcohol have little association with retinal detachment. 2. If the retina has been successfully reattached for a period of time (such as six months), activities like climbing and flying should not pose significant problems, as long as the attachment ...[Read More] Understanding Retinal Detachment: Risks, Recovery, and Lifestyle Impact
Understanding Normal-Tension Glaucoma: Do I Need Eye Drops?
Concerns about glaucoma? Hello, doctor. I am highly myopic with over 900 degrees and have astigmatism of about 150 degrees. Due to my high myopia, I have been regularly undergoing dilated fundus examinations and visual field tests at an ophthalmology clinic in Tainan for about 7 ...
Dr. He Jianxian reply Ophthalmology
If your visual field tests have consistently been normal, it is recommended to continue monitoring. Generally, three criteria must be met for a diagnosis of glaucoma: (1) intraocular pressure, (2) optic nerve head cupping ratio, and (3) visual field. Typically, we require at leas...[Read More] Understanding Normal-Tension Glaucoma: Do I Need Eye Drops?
Syphilis and Vision Loss: Understanding Long-Term Effects and Treatment Options
Syphilis and Its Impact on Vision Loss Hello, doctor. I would like to ask about vision deterioration caused by syphilis. Although most of my vision has recovered after treatment, I still often see flashes of light, and in dim or poorly lit environments, I can hardly see anything....
Dr. He Jianxian reply Ophthalmology
After reviewing the literature, it appears that the prognosis for optic nerve lesions after treatment is excellent, with few residual effects. However, it is unclear why you are experiencing a condition resembling "night blindness" in low light situations. I recommend c...[Read More] Syphilis and Vision Loss: Understanding Long-Term Effects and Treatment Options
Should You Consider Laser Treatment for Floaters? Pros and Cons
Laser protection for floaters? After completing the dilation examination, the doctor mentioned that laser protection around the degeneration area is available, and it is subsidized by health insurance, with a quick procedure time. Should I consider undergoing this laser treatment...
Dr. He Jianxian reply Ophthalmology
If there is a possibility that the retina may further develop a tear, preventive measures can be taken by performing laser photocoagulation around the area for prophylactic fixation, which typically does not result in any significant complications.[Read More] Should You Consider Laser Treatment for Floaters? Pros and Cons
Post-Retinal Laser Surgery: Eye Pain and Headaches Explained
Post-retinal laser treatment eye and headache? Hello, doctor. At the beginning of August, I noticed an increase in floaters in my eyes and experienced flashes of light when closing my eyes. After examination, I was found to have a retinal tear in my right eye and underwent laser ...
Dr. He Jianxian reply Ophthalmology
Basically, a properly performed laser procedure is unlikely to cause glaucoma. Your symptoms do not sound like glaucoma, so I recommend that you continue to monitor your condition.[Read More] Post-Retinal Laser Surgery: Eye Pain and Headaches Explained
Understanding Retinal Degeneration: Causes, Treatments, and Prevention Tips
Retinal diseases Hello Doctor: I am highly myopic and have been feeling something unusual in my left eye for a while. The colors I see with my left eye seem slightly duller than those with my right eye. When I look at white objects, they appear to have a faint yellowish film in m...
Dr. He Jianxian reply Ophthalmology
1. Many people actually experience degeneration of the retinal pigment epithelium, especially in the elderly, and the causes are often unknown. 2. The retinal pigment epithelium is located outside the neural cell layer of the retina, but its degeneration can indeed affect the neu...[Read More] Understanding Retinal Degeneration: Causes, Treatments, and Prevention Tips
Understanding Rainbow Halos: When to Seek Eye Care
Rainbow halo Hello, doctor. I would like to ask if I should go to the hospital for an examination based on the following conditions. For the past month, when I look at streetlights and car headlights at night, I sometimes notice the following: 1. Every day, when looking at street...
Dr. He Jianxian reply Ophthalmology
The term "rainbow vision" refers to corneal edema, which causes a rainbow-like halo around a light source when viewed directly. Therefore, any light source should be visible in this manner, which does not align with your description.[Read More] Understanding Rainbow Halos: When to Seek Eye Care
Is Directly Looking at Blue Light Reflections Harmful to Your Eyes?
Direct observation of blue light filter lens reflection? Hello Doctor: I feel that my blue light filtering glasses seem to be worn out, so I turned the glasses around and checked the lens surface that is usually on the outside under an LED light. I ended up staring at the reflect...
Dr. He Jianxian reply Ophthalmology
In such a short period of time, it is unlikely to cause damage to the macula under weak lighting conditions, so there is no need for concern.[Read More] Is Directly Looking at Blue Light Reflections Harmful to Your Eyes?
Can Strength Training Be Safe for Individuals at Risk of Glaucoma?
Can individuals in the glaucoma risk group engage in strength training? Dear Doctor He, A year ago, I was diagnosed with a greater than normal cup-to-disc ratio (0.8), and the depth of the cup is approaching the red zone, with an intraocular pressure of about 20 mmHg. Fortunatel...
Dr. He Jianxian reply Ophthalmology
Generally, patients with glaucoma do not have specific restrictions on exercise, unless they have undergone surgery, in which case they should avoid lifting heavy objects. This information is for your reference![Read More] Can Strength Training Be Safe for Individuals at Risk of Glaucoma?
Understanding Yellowish Vision After Laser Treatment: Causes and Concerns
Yellowish vision Hello Doctor, I am highly myopic. In February of this year, I had a retinal examination, and the doctor mentioned that I have an old small tear. Although it doesn't affect my vision, she still recommended reinforcement. After undergoing laser treatment, I st...
Dr. He Jianxian reply Ophthalmology
1. Your description may be "photopsia," which is caused by traction on the retina. Since you regularly undergo retinal examinations, there is no need for concern. 2. You might try adjusting the position of the light source to see if that helps; I am also unable to deter...[Read More] Understanding Yellowish Vision After Laser Treatment: Causes and Concerns
Understanding Vision Loss: What 80% Damage to Your Optic Nerve Means
Optic nerve damage I recently had an eye examination and was diagnosed with glaucoma. The doctor said that my optic nerve has been damaged by 80%. Currently, my vision and visual field are still normal, but the color in my affected eye appears darker. How much time do I have left...
Dr. He Jianxian reply Ophthalmology
Your vision is still normal. May I ask if the test was conducted using standard perimetry? If your visual field is normal, how was your glaucoma diagnosed? As for your question about how long it will be until you are completely blind, I believe no one can answer that question.[Read More] Understanding Vision Loss: What 80% Damage to Your Optic Nerve Means
Understanding Elevated Eye Pressure: Do You Need Further Glaucoma Testing?
Slightly elevated intraocular pressure? Hello. My intraocular pressure has been consistently between 20-26 for the past few months, and my corneal thickness is about 600 micrometers. My doctor told me that because my cornea is thick, it's okay for my eye pressure to be sligh...
Dr. He Jianxian reply Ophthalmology
You are a young individual with high corneal sensitivity, which often results in false positive readings for intraocular pressure. Additionally, your corneal thickness is also on the higher side, and there seems to be no further changes in your optic disc. All these signs indicat...[Read More] Understanding Elevated Eye Pressure: Do You Need Further Glaucoma Testing?
Post-Retinal Detachment Surgery: Understanding Your Recovery and Symptoms
Post-operative condition after retinal detachment surgery? Hello, doctor. This is my first time asking a question here. I noticed symptoms of retinal detachment in early June, so I went to Chang Gung Memorial Hospital for an examination, where they diagnosed me with "retinal...
Dr. He Jianxian reply Ophthalmology
When the retina has just been reattached, it is indeed possible to experience some abnormal visual conditions. It is recommended that you continue to observe your symptoms and consult your surgeon again. At this stage, you should no longer need to wear the eye patch.[Read More] Post-Retinal Detachment Surgery: Understanding Your Recovery and Symptoms
Understanding Macular-Related Issues: Symptoms and Connections to Eye Health
Macular-related issues? Hello Doctor: My left and right eye prescriptions are both around 800, and I am regularly using eye pressure medication and undergoing check-ups. My issue is that when I open my eyes or shift from a dark area to a bright background, I see small black spots...
Dr. He Jianxian reply Ophthalmology
1. If the inflammation is indeed the cause, even after the inflammation subsides, complete recovery may not be guaranteed, as there is a possibility of permanent damage occurring during the process. 2. I am not aware of the location of your inflammation; if it is peripheral, it s...[Read More] Understanding Macular-Related Issues: Symptoms and Connections to Eye Health
Understanding Blurry Vision and Floaters in One Eye: Causes and Solutions
Blurred vision in one eye and floaters? Hello, Doctor He: During a recent routine eye examination, I discovered that my left eye has blurred vision. Even after adjusting the prescription, the issue persists. The optometrist mentioned that my astigmatism has increased by 100 degre...
Dr. He Jianxian reply Ophthalmology
Based on your description, it is difficult to determine if there are any other issues. If you can achieve a visual acuity of 0.8 or better with the new prescription, and there are no abnormalities in the retina, I believe there should not be any significant problems.[Read More] Understanding Blurry Vision and Floaters in One Eye: Causes and Solutions
Understanding Vitrectomy: Is Frequent Flashing Normal After Surgery?
Vitrectomy Hello Doctor: In early March, I underwent a vitrectomy due to retinal detachment, during which silicone oil was injected, and most of the vitreous was removed. One week after the surgery, the flashes of light had completely improved and I no longer saw them. However, t...
Dr. He Jianxian reply Ophthalmology
I cannot answer this question; you may need to ask your attending physician who performed the surgery. Theoretically, once the vitreous is cleared, the mechanical traction should disappear, and the traction force is the source of the flashes we see. In theory, your source area sh...[Read More] Understanding Vitrectomy: Is Frequent Flashing Normal After Surgery?