High myopia, Ophthalmology FAQ

Understanding Normal-Tension Glaucoma: Diagnosis, Treatment, and Lifestyle Impact

Diagnosis and management of glaucoma? Hello Doctor: I have over 700 degrees of myopia in my left eye and 600 degrees in my right eye. Recently, I noticed that the left third of my left eye's visual field is quite blurry, so I went for an eye examination. After undergoing OCT...

Dr. Gao Pilin Reply:
Dear Mr. Tsai: 1. Some types of glaucoma can occur with normal or even low intraocular pressure; your examinations should be sufficient. 2. A gonioscopy is necessary. You may inquire with the attending physician. 3. This refers to gonioscopy. Generally, glaucoma evaluations will...

Understanding Fluctuating Vision: The Role of Ciliary Muscle Tension

Stubborn ciliary muscle!? A. Before dilation, the computer refraction showed a prescription around +8.50 (but at another hospital, it was +7.75). B. After dilation, the computer refraction was approximately +8.00. C. An optometrist used a funduscope (retinoscopy) and estimate...

Dr. Wang Zhishun Reply:
In theory, it is recommended to use long-acting cycloplegic agents for one week before performing automated refraction and subjective refraction, as this would yield the most reliable measurements. However, in clinical practice, if the goal is to prescribe glasses, using a trial ...

Can Adults Develop High Myopia from Close-Up Vision?

Adult prescription strength Does frequent close-up use of the eyes in adulthood lead to axial elongation? Is it possible for adults to develop high myopia?

Dr. Zhuang Yamin Reply:
Hello: It is recommended that you visit the ophthalmology outpatient clinic at Changhua Hospital for your concerns.

Cataract Surgery Considerations for High Myopia Patients: Key Questions Answered

Cataract surgery considerations for individuals with high myopia: residual refractive error and disparity issues? I have myopia in both eyes of approximately 800 degrees, along with astigmatism of about 150 to 200 degrees, and only mild presbyopia. A few years ago, I noticed a co...

Dr. Gao Pilin Reply:
Hello Angus: 1. The recommendation to leave a reserve of 250-300 degrees of myopia is to allow you to avoid wearing reading glasses for a longer time. If you reserve only 100-150 degrees at the age of sixty or seventy, it may not be sufficient, and you will need to wear reading ...

Can You Develop Myopia at 28? Understanding Eye Strain and Vision Changes

Myopia issues Is it possible for me, at the age of 28, to develop myopia? I currently do not have myopia, but recently my eyes have been frequently sore. I have heard that tension in the extraocular muscles can compress the eyeball, leading to an elongation of the eyeball and sub...

Dr. Gao Pilin Reply:
Hello Wei: If you currently do not have myopia, it is generally unlikely to develop axial myopia at the age of 28. However, certain conditions such as corneal diseases or cataracts can still lead to myopia. Prolonged squinting can significantly affect the cornea and may lead to a...

Understanding Glaucoma Concerns: A Guide for High Myopia Patients

Concern for glaucoma Hello, Doctor. I am a programmer with high myopia. Last year, my intraocular pressure was as high as 26. The doctor prescribed me a fatigue-relief eye drop, and after three days, my pressure dropped to 18-19 during a follow-up. Two months later, I went to Hos...

Dr. He Jianxian Reply:
1. OCT results do not fully represent the presence or absence of glaucoma and must be interpreted in conjunction with other conditions. 2. There are no clinical reports linking excessive eye strain to the development of glaucoma. 3. Essentially, if glaucoma has not been confirmed...

Post-Scleral Buckling Surgery: Understanding Vision Changes and Concerns

Scleral buckle surgery postoperative care? Hello doctor, my left eye has developed a retinal detachment due to high myopia. I underwent scleral buckle surgery last week and have not yet had my first follow-up appointment. However, it has been over a week, and I still experience s...

Dr. Wang Zhangji Reply:
After retinal surgery, gas is usually injected, and it takes several weeks for the gas to be absorbed before vision gradually improves. During the follow-up appointment, the doctor will check if the retina has reattached.

Can People with High Myopia Safely Practice Yoga and Strength Training?

Can individuals with high myopia practice yoga or strength training? Hello, I have high myopia of about 700 degrees in both eyes and hereditary astigmatism of about 200 degrees. I regularly check my fundus, and it appears that the peripheral areas are thinner but still within nor...

Dr. He Jianxian Reply:
Basically, there are not many restrictions on your activities. If you have concerns about exercise, just avoid sudden acceleration, deceleration, or rapid rotational movements of the head.

Can People with High Myopia Practice Yoga Safely?

Can individuals with high myopia practice yoga? Hello, I would like to ask if individuals with high myopia can practice yoga. Are general bending and forward stretching movements (not involving inversions) harmful to the retina? Are there any specific precautions to be aware of? ...

Dr. Wang Zhangji Reply:
Certain yoga poses may cause changes in intraocular pressure, and individuals with optic nerve disorders or high myopia should exercise greater caution.

Understanding Light Sensitivity and Night Vision Issues in Myopia

Photophobia and nocturnal diplopia? Hello, Doctor. I have high myopia (L: -9.25, R: -9.0, latest refraction) but I usually wear glasses with a prescription of L: -7.5, R: -7.25 (from four years ago when I was 22). My left eye has 25 degrees of astigmatism and I experience floater...

Dr. He Jianxian Reply:
It is recommended that you visit an ophthalmology specialist for an examination and consultation, as this may help identify the underlying cause more easily.

Risks of Eye CT Scans: Do They Increase Cataract Development?

What are the risks of undergoing an eye CT scan? Hello, doctor. A report indicates a strong correlation between frequent "computed tomography (CT) scans" and "cataracts" (http://www.auntminnie.com/index.aspx?sec=ser&sub=def&pag=dis&ItemID=104323). ...

Dr. He Jianxian Reply:
Optical coherence tomography (OCT) for the eyes, despite having "computed tomography" in its name, operates on a completely different principle than conventional computed tomography (CT). It utilizes the principle of light wave interference to create images, resulting i...

When to Seek Eye Care: Understanding Symptoms of High Myopia

Timing for Seeking Medical Attention Hello Doctor: I have high myopia and about a year ago, I experienced flashes of light, which led to a diagnosis of posterior vitreous detachment. During that period, I underwent several follow-up examinations of the fundus, which showed no iss...

Dr. Wang Zhangji Reply:
If your flash frequency or location has not significantly increased or changed, it is recommended to follow up with an examination in 3 to 6 months.

Is It Safe to Dive with High Myopia? Eye Health Considerations

Can individuals with high myopia go scuba diving? Hello doctor, I have approximately 600 degrees of myopia and around 200 degrees of hereditary astigmatism. I would like to inquire whether my condition makes me unsuitable for activities like snorkeling or similar water sports. I ...

Dr. Wang Zhangji Reply:
The pressure changes associated with deep diving do have a certain impact on the eyes, especially during decompression sickness, where bleeding or even vascular occlusion can occur. However, there are differing opinions among doctors regarding whether diving can lead to retinal d...

Managing High Myopia: Non-Surgical Solutions and Lutein Benefits

High myopia 1. Doctor, I would like to ask if there are non-surgical methods to reduce my myopia, as my left eye is -600 degrees and my right eye is -550 degrees. Thank you. 2. Since I have dry eye syndrome and am regularly taking lutein, can lutein help prevent the progression...

Dr. Wang Zhangji Reply:
Corneal reshaping therapy can also reduce myopia. The primary use of lutein is not aimed at treating dry eye syndrome or myopia.

Post-Retinal Laser Surgery: Essential Care Tips for Eye Health

Post-operative Care Instructions After Retinal Laser Treatment Hello: In January, I underwent laser surgery on my left eye due to a retinal tear and high myopia with retinal thinning. After a follow-up in mid-February, my condition has stabilized. Additionally, I found out that m...

Dr. Wang Zhishun Reply:
1. The post-laser surgery condition and vitreous degeneration are unrelated to the use of contact lenses. 2. It has been over a month, so you should be able to wear goggles for swimming. 3. After more than a month, activities like hula hooping or using a treadmill should be p...

Understanding High Myopia Complications: Eye Pressure and Visual Disturbances

Complications of high myopia: flashes and intraocular pressure? Hello Doctor, I am highly myopic with approximately -700 degrees in my left eye and -1000 degrees in my right eye. Recently, I have been under a lot of exam stress and have been using my eyes more frequently, studyin...

Dr. Wang Zhishun Reply:
Hello, 1. It is recommended to monitor your intraocular pressure; generally, a reading below 21 mmHg is considered normal. Eye fatigue, insufficient rest, and a higher prescription for glasses can all contribute to elevated intraocular pressure. 2. Regarding questions 2 and 3...

Understanding Optic Nerve Cupping: Signs, Risks, and Eye Care Tips

Optic nerve and cupping issues? Dear Dr. Gao/Director, Happy Lunar New Year! I am currently abroad and today I went to an ophthalmologist for a routine vision health check. My visual acuity was measured (it hasn't worsened compared to last year), and my intraocular pressur...

Dr. Gao Pilin Reply:
Hello, Big Eyes: 1. Disc cupping refers to the excavation of the optic nerve head. When the optic disc is affected by intraocular pressure, it may initially lead to an increase in the cupping of the optic nerve head. Therefore, an increase in disc cupping can be considered an in...

Post-Laser Complications After Retinal Hole Treatment: What to Expect?

Complications after retinal hole laser treatment? On November 22 of last year, I went to the hospital to check for floaters and unexpectedly discovered that I had a hole in my eye and retinal detachment. After researching the symptoms and listening to the doctor's explanatio...

Dr. Wang Zhangji Reply:
The purpose of the laser treatment is to control the extent of holes or small areas of retinal detachment, preventing further detachment from occurring. If the laser treatment had not been performed at that time, it is likely that there would be extensive detachment now, requirin...

Concerns About Vision Loss: Managing High Myopia and Eye Health

Worried about going blind? I am severely myopic (both eyes close to 1000 degrees). In recent years, I have been paying close attention to my eyes while studying, having regular check-ups every three to six months to monitor my retina at an ophthalmology clinic. Fortunately, the d...

Dr. He Jianxian Reply:
Hello: Basically, you have been undergoing regular check-ups, so there is no need to worry too much. Your work will not cause blindness, and you can feel reassured. Wishing you good health.

Challenges After Cataract Surgery: When Artificial Lenses Fall Short

The artificial lens has been replaced, but the results are unsatisfactory? Hello, Director Gao. I underwent cataract surgery on my right eye at Cheng Kung University Hospital in 2010, where a variable focus intraocular lens, AMO (ZM900 +11.0D +4D) Foldable Intraocular Lens, was i...

Dr. Gao Pilin Reply:
Hello: Based on your situation, it seems you can see well up close but have difficulty seeing far away. This may indicate that the prescription for your right eye has shifted further towards myopia, as you already have high myopia, and your prescription can still change. If you g...

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