Macula, Ophthalmology FAQ

Can Optic Nerve Atrophy Be Detected Through Eye Exams?

Can optic nerve atrophy be diagnosed through examination? Hello, Dr. Gao. I have high myopia (approximately 900 degrees in both eyes). Recently, I visited the hospital because I noticed that the periphery of my central vision was unusually blurry. The doctor conducted a visual fi...

Dr. Gao Pilin Reply:
Hello Kevin: Your visual field is normal, but there are some areas that are blurred, which may be due to retinal changes. High myopia can easily lead to such degeneration, resulting in unclear images rather than visual field loss; it should not be related to optic nerve atrophy. ...

Understanding Macular Degeneration: Symptoms and Eye Exam Insights

Macular degeneration Hello Doctor, I sent a question yesterday regarding my right eye, which has astigmatism of 600 degrees. When I look at the Amsler grid with my glasses, the lines appear slightly distorted, but not very noticeably, and everything else looks normal. Today, I wo...

Dr. Gao Pilin Reply:
Hello, It is possible that the lenses are causing the issue, so it is best to wear appropriate glasses to see if the phenomenon persists. Generally, an ophthalmologist can perform a fundus examination, but scanning the macula requires a more specialized eye clinic or a hospital...

Understanding Macular Degeneration: Symptoms and Concerns for Young Adults

Macular degeneration Hello Doctor, I am 19 years old. I have myopia in my left eye and high astigmatism of 600 degrees in my right eye. At home, I checked my vision using an Amsler grid and noticed that the lines in my right eye (the one with astigmatism) appear slightly wavy (ve...

Dr. Gao Pilin Reply:
Hello, H: The grid appears somewhat wavy, which is unusual and may require further examination to determine the cause. Since other objects do not show any distortion, it might indicate that the symptoms are still mild. However, it is still necessary to get checked to know for sur...

Can Multifocal Intraocular Lenses Improve Vision with Macular Degeneration?

Postoperative visual acuity remains at 0.4-0.5 with multifocal intraocular lenses for cataract surgery? My mother is 74 years old and has been experiencing dry eyes with frequent tearing. In recent years, she has noticed increasing blurriness in her vision. After consulting sever...

Dr. He Jianxian Reply:
1. If the macula is severely degenerated, the results of any type of intraocular lens will not be ideal. 2. If you have concerns, the surgery can be postponed, as it is not an emergency procedure. Regarding the intraocular lens, a multifocal lens is generally a more favorable cho...

Understanding Eye Degeneration: Symptoms and Solutions for Myopia

Ocular degeneration I have been experiencing floaters in my eyes for some time, and I have high myopia with mild astigmatism, approximately 600-700 degrees. My eyes are often dry, so I cannot wear contact lenses for long periods; I only wear them when necessary, and most of the t...

Dr. He Jianxian Reply:
Based on your description, you are likely experiencing some early signs of presbyopia, which is related to your prolonged use of computers and electronic devices. Regarding your vision significantly deteriorating in low-light conditions, this is likely due to pupil dilation in di...

Understanding Visual Distortion: Causes Beyond Eye Strain

Visual distortion, perceiving straight lines as curved? I have approximately 3 to 400 degrees of vision in both eyes and wear glasses. Recently, I visited two hospitals in the past week where I underwent OCT and fundus examinations. The results showed that my retina and macula ar...

Dr. He Jianxian Reply:
Excessive eye use does not cause visual distortion. If there are no issues with the macula or retina, vision should not be distorted. If there is indeed a distortion problem, one must consider causes outside of the eyes. Director He Jian-xian, Ophthalmology Department, Nantou Hos...

Managing Retinal Edge Aging: Tips for Eye Health and Screen Time

Retinal edge aging issues? Hello Doctor, a few days ago I experienced some abnormalities and went for a fundus examination. The examining doctor said that I have peripheral retinal degeneration and advised me to minimize screen time and take more breaks, otherwise it could worsen...

Dr. Gao Pilin Reply:
Hello Mr. Chen: You can rest for 15 minutes every hour, and if this 15 minutes is used for adequate rest, it should be sufficient. Regular consumption of fish oil, cod liver oil, lutein, and B vitamins is beneficial for the nutrition of the macula, which is excellent, along with ...

Can Early Macular Degeneration Be Missed in Eye Exams?

Examination of the macula? I would like to ask the doctor if there is a discrepancy between the results of a visual examination and those obtained from computerized instruments after dilation in the early stages of macular degeneration. Is it possible that the doctor may not visu...

Dr. Gao Pilin Reply:
Hello Ms. Lin: It is possible that there are changes in the equipment that may not be visible to the naked eye, so appropriate diagnostic tests are also important. Online answers can only serve as a reference; if necessary, it is still essential to seek medical attention at a hea...

Understanding Sudden Grayish Ovals in Vision: Possible Causes and Concerns

A sudden appearance of a flat oval-shaped "mosaic/ground glass" grayish-white shadow in the right eye? Hello Doctor: My left eye is hyperopic at +2.25 diopters, and my right eye is myopic at -6.25 diopters. Due to severe astigmatism in my left eye, I have some amblyopia...

Dr. Gao Pilin Reply:
Hello Mr. N: If you notice movement that follows your eye movements but is slightly out of sync and appears shaky, it is likely due to opacities in the vitreous body. These opacities can sometimes be undetectable during examinations and are only perceptible to the individual. Vit...

Can Early Macular Degeneration Be Missed in Eye Exams?

Examination of the macula? I would like to ask the doctor if there is a discrepancy between the results of a visual examination and those obtained from computerized imaging when examining early-stage macular degeneration after dilation. Is it possible that the doctor may not visu...

Managing Retinal Edge Aging: Tips for Eye Health and Screen Time

Retinal edge aging issues? Hello, doctor. A few days ago, I noticed some abnormalities and went for a fundus examination. The doctor said that I have peripheral retinal degeneration and advised me to minimize screen time and take more breaks, or it could worsen. However, I need t...

Dr. Gao Pilin Reply:
Hello Mr. Chen: You can take a 15-minute break after every hour of work, and if this 15 minutes is used for adequate rest, it should be sufficient. Regular consumption of fish oil, cod liver oil, lutein, and B vitamins is beneficial for the nutrition of the macula, which is excel...

Understanding Visual Disparity Issues After Cataract Surgery

Cataract-related disparity issues? Hello, Doctor Gao. I need to undergo surgery for cataracts caused by macular folds, and my left eye has a prescription of -550 degrees, which does not require cataract replacement. Thank you for your previous response. I later consulted with my ...

Dr. Gao Pilin Reply:
Hello Anne: If your vision returns to 60-70%, there may be issues with refractive error causing discomfort. That is why the doctor has given you this advice to avoid such problems. Online answers can only serve as a reference; it is essential to seek medical attention at a health...

Understanding Amsler Grid Distortion: Is It Macular Degeneration or Fatigue?

Macular degeneration Hello doctor, when I focus on the Amsler grid, I feel that the lines appear to fluctuate and have a slight curve. I would like to ask if this is due to visual fatigue or macular degeneration. However, a few days ago, I saw a doctor who said there were no abno...

Dr. Gao Pilin Reply:
Hello Ms. Lin: If the doctor finds nothing unusual during the examination, continue to monitor yourself. If there is no worsening, it should be fine. However, if it becomes more severe, you will need to seek medical attention. As for high intraocular pressure, regular check-ups a...

Understanding Blurred Vision in the Outer Field of Left Eye

Blurry vision in the peripheral area of the left eye? Hello Doctor, I am highly myopic (approximately 900 degrees in both eyes). Two years ago, I experienced a sudden vitreous hemorrhage in my left eye, so I have been regularly visiting the hospital for dilated fundus examination...

Dr. Gao Pilin Reply:
Hello Kevin: Blurred vision in the outer fields of both eyes may indicate a defect in the visual field examination. If the retinal examination is normal, we should consider issues related to the optic nerve and the brain. The first thing to consider is a potential problem with th...

Understanding Eye Appointment Terminology: What Does KR Mean?

Terminology issues on ophthalmology appointment forms? Could you please clarify what "KR" means on my ophthalmology follow-up appointment slip? Additionally, during my visit, the clinic mentioned that my astigmatism has increased by 150 to 200 degrees. What circumstance...

Dr. Gao Pilin Reply:
Hello: Astigmatism is a deformation of the cornea, and any condition that causes corneal distortion can lead to astigmatism. KR may refer to a follow-up visit for a refraction test to measure the curvature of the cornea. Information found online should only be used as a reference...

Is Your Eye Discomfort a Sign of Macular Degeneration?

Discomfort in the left eye? When looking at my phone, the screen suddenly dims. I always thought it was a problem with the phone, and straight lines appear curved with distorted text. Could this be a sign of macular degeneration? After performing the Amsler Grid test, I noticed t...

Dr. He Jianxian Reply:
It is recommended that you visit an ophthalmology clinic as soon as possible for an examination. Based on your description, the situation is unusual, and I cannot provide advice based solely on experience. Dr. He Jianxian, Ophthalmology Department, Nantou Hospital.

Understanding Vitrectomy with Silicone Oil for Macular Holes

Macular Hole Repair with Silicone Oil Injection Surgery Hello Doctor, I have a macular hole. In Germany, the first gas injection surgery did not successfully resolve the hole issue, so the doctor said I need to undergo a second silicone oil injection surgery. May I ask: (1) If th...

Dr. He Jianxian Reply:
In the past, we have managed macular holes using the gas tamponade and face-down positioning method. Of course, not every patient will have a successful outcome, but generally, if it is unsuccessful, it does not tend to worsen. As for the use of silicone oil in treating macular h...

Understanding Eye Health: Common Concerns and Symptoms Explained

Vision problems Hello, Doctor. I have three questions I would like to ask you. 1. During a dilated eye exam last June, I noticed a small area in the lower left and directly below my right eye that appeared darker (deep red). However, several months of subsequent dilations and v...

Dr. Gao Pilin Reply:
Hello Wei: 1. Based on the physician's and your descriptions, there should be no issues. Regular follow-ups are sufficient. 2. First, correct both eyes to achieve emmetropia, then check for any color disparity. If there is none, it is likely due to refractive error. Other...

Understanding Macular Degeneration: Causes, Risks, and Treatment Options

Macular degeneration Hello, Doctor. I have a few questions to ask: 1. What are the main causes of macular degeneration? I am an engineer, so I may spend around 12 to 13 hours a day using electronic devices. Does this increase the risk of developing macular degeneration? I am nea...

Dr. Gao Pilin Reply:
Hello Mr. Huang: 1. Regarding macular degeneration, please refer to: https://bit.ly/3wPVAzR. High myopia may increase the risk of early macular degeneration. The use of digital devices (3C) is primarily an indirect factor, such as worsening myopia. There is no conclusive evidenc...

Understanding Choroidal Neovascularization: Eylea Treatment and Recovery Tips

Choroidal neovascularization Hello, doctor. I have high myopia that has led to the proliferation of blood vessels in the macula. Three days ago, I received an Eylea injection treatment, and the doctor informed me that the medication may take 1 to 2 weeks to take effect. I would l...

Dr. He Jianxian Reply:
The efficacy of this medication is expected to diminish within a month. Therefore, if the condition recurs, it will be necessary to administer another dose after one month. The effectiveness should be quite good, as it will promote the regression of neovascularization. While the ...

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