Myopia, Ophthalmology FAQ

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Understanding High Myopia: Impact on Retina and Visual Perception

High myopia with enlarged blind spots and retinal degeneration issues? Hello, Doctor. I previously inquired about the issues related to high myopia and the expansion of blind spots, and I have a few more questions I would like to ask: 1. During a previous eye examination, you m...


Dr. Gao Pilin Reply:
Hello: 1. Retinal thinning and brightness perception: High myopia can indeed lead to retinal thinning, particularly around the macula. Thinning of the retina may affect the distribution and function of photoreceptor cells, thereby impacting visual quality. The macular region is...

[Read More] Understanding High Myopia: Impact on Retina and Visual Perception


Can High Myopia Cause Enlarged Blind Spots and Visual Shadows?

Does high myopia cause an expansion of blind spots? + Visual shadows in dimly lit areas? Hello Doctor, I have a few questions I would like to ask. 1. I noticed in the past year or two that when I close one eye, I can see a dark area near my blind spot in both eyes. Previously, ...


Dr. Gao Pilin Reply:
Hello: 1. High myopia and the expansion of the blind spot associated with high myopia (1000 and 1200 diopters) can indeed lead to retinal degeneration, which may affect the structures surrounding the optic nerve, resulting in an enlarged blind spot. Although your OCT scan shows...

[Read More] Can High Myopia Cause Enlarged Blind Spots and Visual Shadows?


Understanding Eye Discomfort: Dryness, Inflammation, and Glaucoma Risks

Fundus examination, dry eyes? Hello Doctor, since January of this year, I have been experiencing dryness, tightness, and a feeling of pressure in my eyes. Artificial tears have not been effective. My eyesight is approximately 700 degrees in both eyes. I proactively asked my docto...


Dr. Gao Pilin Reply:
Hello: 1. Congenital Thinner Cornea or Optic Nerve: Some individuals may be born with a thinner cornea or optic nerve than normal. This can be due to genetic factors or individual variations and does not necessarily indicate a disease. However, it may increase the risk of certa...

[Read More] Understanding Eye Discomfort: Dryness, Inflammation, and Glaucoma Risks


Managing Cataracts in High Myopia: Options for Balanced Vision

High myopia cataract Hello, I am a person with high myopia (suffering from floaters) and have cataracts in my right eye (currently unable to measure accurate refractive error; previously, vision was the same as my left eye). My left eye has a refractive error of -9.00 diopters (c...


Dr. He Jianxian Reply:
Dear Ms. Tsui, The choice between single vision or multifocal lenses depends entirely on your work and lifestyle. Neither option has an absolute advantage, and both come with relative disadvantages. Given your situation, I recommend not retaining any prescription after the surge...

[Read More] Managing Cataracts in High Myopia: Options for Balanced Vision


Can I Wear Contact Lenses with Early Macular Fold Diagnosis?

Can contact lenses be worn in the early stages of macular folds? Hello, doctor. I am 22 years old and have just been diagnosed with macular folds. During my visit to the hospital, the doctor indicated that it is currently in the early stage, and there is no significant vision los...


Dr. He Jianxian Reply:
Dear Ms. Kennis: 1. Macular folds are a retinal issue and have no correlation with the use of corrective lenses. 2. Macular folds cannot be prevented from worsening through other means; they can only be monitored and followed up. Director He Jian-xian, Ophthalmology Departme...

[Read More] Can I Wear Contact Lenses with Early Macular Fold Diagnosis?


Vision Issues in Seniors: Is Cataract Surgery the Right Choice?

Vision problems in the elderly? Hello, doctor. My elderly relative is over 80 years old and has blurry vision for both distance and near. Due to their age, they have chronic conditions such as heart disease and hypertension. They wear glasses for both near and distance vision, bu...


Dr. He Jianxian Reply:
Dear Mr. Xiao You: If cataracts are affecting your vision and daily life, relying on corrective lenses may not be very effective. If the situation allows, you might consider addressing the cataract issue, as it could lead to more significant improvement. Director He Jianxian, Oph...

[Read More] Vision Issues in Seniors: Is Cataract Surgery the Right Choice?


Understanding Eye Flashes: When to Seek Help for Retinal Concerns

Flashes of light in the peripheral vision? I have high myopia and underwent dilation two months ago (I have mild floaters and occasional flashes). During the dilation, the doctor mentioned that the condition of my retina was good, but there was some thinning in the peripheral are...


Dr. Gao Pilin Reply:
Hello: Based on your description, the small white arc flashes in the corner of your eye may be caused by traction from the vitreous body within the eye, commonly referred to as photopsia. For a patient with high myopia like yourself, it is indeed important to pay special attentio...

[Read More] Understanding Eye Flashes: When to Seek Help for Retinal Concerns


Understanding Eye Flashes and Floaters in High Myopia Patients

Eye twitching Hello Doctor: I am severely myopic (approximately -1100 diopters in both eyes). In January of this year, I began experiencing floaters (transparent strands, occasionally with small black dots). Later, I occasionally noticed flashes of light, mostly resembling flicke...


Dr. Gao Pilin Reply:
Hello: Based on your description, you have high myopia and floaters, and you have recently experienced occasional flashes of light. These conditions do require special attention, as individuals with high myopia are more prone to retinal issues. 1. Floaters and Flashes: - Flo...

[Read More] Understanding Eye Flashes and Floaters in High Myopia Patients


Understanding Posterior Vitreous Detachment: Symptoms and Concerns

Posterior vitreous detachment Hello Doctor, due to my constitution, I was diagnosed with cataracts last year and I do not have myopia. In May, I underwent vitrectomy combined with intraocular lens implantation due to a rupture of the posterior capsule of the lens in my left eye. ...


Dr. Gao Pilin Reply:
Hello: Based on your description, you underwent vitrectomy and intraocular lens implantation for cataracts last year, and your recovery has been good. However, you have recently experienced some new visual symptoms. Here are some explanations and recommendations regarding your si...

[Read More] Understanding Posterior Vitreous Detachment: Symptoms and Concerns


Understanding Floaters and Flashes: Exercise Guidelines for Eye Health

Vitreous floaters combined with photopsia? Hello, doctor. I have myopia with a prescription of -5.25 in my right eye and -5.00 in my left eye. Last week, I suddenly experienced symptoms of floaters in my right eye, accompanied by flashes of light (which I only see when I turn my ...


Dr. Gao Pilin Reply:
Hello: Thank you for your detailed description. Floaters and flashes are typically associated with vitreous degeneration and retinal traction. The symptoms you described do require attention, especially given the presence of areas of retinal weakness. 1. Are activities like jum...

[Read More] Understanding Floaters and Flashes: Exercise Guidelines for Eye Health


Understanding Persistent Visual Disturbances: Are They Signs of Retinal Degeneration?

Flashing, flickering, lightning—it's hard to describe? In mid-June, I underwent a dilated eye exam, and the doctor explained that there were no symptoms, only the presence of floaters. Since I have not experienced any retinal tears or detachments, the doctor advised that I o...


Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, the persistent phenomenon of "flashes, lightning, flickering, and water patterns," which occurs even when your eyes are closed, is indeed concerning. However, since you underwent a dilated eye examination in mid-June and no ab...

[Read More] Understanding Persistent Visual Disturbances: Are They Signs of Retinal Degeneration?


Understanding Vitreous Liquefaction and Its Effects on Vision

Vitreous liquefaction Hello, Doctor: I had a retinal examination a month ago, and there were no issues, but there was vitreous liquefaction. Recently, I have been experiencing frequent flashes of light, so I went for another check-up. The doctor said it is a normal phenomenon, bu...


Dr. Gao Pilin Reply:
Hello: Vitreous liquefaction is a common phenomenon that occurs with aging or changes in myopia. After vitreous liquefaction, it can sometimes cause traction on the retina, leading to the sensation of flashes of light. This is due to the pulling or tugging at the junction between...

[Read More] Understanding Vitreous Liquefaction and Its Effects on Vision


Understanding Visual Snow Syndrome: Symptoms, Diagnosis, and Concerns

Regarding question 21141? Regarding question 210141, I would like to ask if my condition might be related to "visual snow," as I feel there are some similarities. If so, what kind of examinations should I undergo, and which specialty should I consult? Currently, my visi...


Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, the persistent phenomenon of "flashes, lightning, flickering, and water waves," which occurs even when your eyes are closed, is indeed concerning. However, since you underwent a dilated eye exam in mid-June and no abnormalitie...

[Read More] Understanding Visual Snow Syndrome: Symptoms, Diagnosis, and Concerns


Understanding Corneal Thickness and Endothelial Cell Health in Myopia

Corneal thickness and corneal endothelial cells? Hello, Doctor Gao. I am suffering from high myopia and elevated intraocular pressure. I have a few questions to ask you. Question 1: Since intraocular pressure is related to corneal thickness and whether or not to use eye drops to...


Dr. Gao Pilin Reply:
Hello: Question 1: Accuracy of Corneal Thickness Measurement by Different Instruments The measurement of corneal thickness can indeed be influenced by the instrument used, and there may be slight variations among different devices. 1. Non-contact tonometer: This instrument is p...

[Read More] Understanding Corneal Thickness and Endothelial Cell Health in Myopia


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 Orthokeratology Lenses: Eye Health Concerns and Benefits

About Orthokeratology Lenses 1. I have noticed that when I wear orthokeratology lenses, I sometimes wake up in the morning with a lot of eye discharge, enough that it obstructs my vision. It feels abnormal, and upon closer inspection, my sclera appears slightly pink. I'm not...


Dr. Gao Pilin Reply:
Hello: 1. Eye discharge and redness: You mentioned that after wearing orthokeratology lenses, you experience a significant amount of eye discharge upon waking, which even affects your vision, and your sclera appears slightly pink. This may be due to prolonged use of the lenses ...

[Read More] Understanding Orthokeratology Lenses: Eye Health Concerns and Benefits


What to Do If Your SMILE Pro Laser Surgery Goes Wrong?

What should I do if the SMILE PRO laser for myopia seems to have been misaligned and affected the upper part of my eyeball? Hello, doctor. Last week, I underwent Smile Pro laser surgery at a clinic. My condition is that the corneal thickness in both eyes is approximately 550 micr...


Dr. Chen Anping Reply:
Hello: Regarding your situation, it is not possible to provide an online diagnosis based solely on text. If you have significant concerns, it is advisable to visit an ophthalmology clinic for an examination, which may give you more peace of mind. The Hualien Hospital of the Minis...

[Read More] What to Do If Your SMILE Pro Laser Surgery Goes Wrong?


What to Do If a Barber Brushes Your Hair into Your Eye?

If a hairdresser accidentally brushes against the eyeball while styling hair, it is important to take the following steps: 1. **Stay Calm**: Try to remain calm to avoid further irritation. 2. **Do Not Rub the Eye**: Avoid rubbing the eye, as this can cause more damage. 3. **Flus...


Dr. Gao Pilin Reply:
Hello: First, please relax. It seems that there are no immediate signs of obvious external injury or changes in vision, which is a good sign. However, given your high myopia and thinning of the macula, it is still important to proceed with caution. Here are some recommendations: ...

[Read More] What to Do If a Barber Brushes Your Hair into Your Eye?


Can I Choose 0 Diopters for My Left Eye After Cataract Surgery?

Bilateral cataract surgery, myopia degree? I have myopia of -5.50 diopters in my left eye and early cataracts. My right eye has -6.00 diopters, which has affected my vision. The doctor recommended performing surgery on the right eye first while retaining -3.00 diopters of myopia....


Dr. Gao Pilin Reply:
Hello: Regarding your situation, here are some suggestions and explanations: 1. Difference in refractive error between the two eyes: Currently, your left eye has a myopia of -5.50 diopters, while your right eye, after surgery, has a myopia of -3.00 diopters. This significant di...

[Read More] Can I Choose 0 Diopters for My Left Eye After Cataract Surgery?


Understanding Prescription Differences: A Teen's Guide to Eyewear

Eyeglass prescription issues? Hello, Doctor Gao. I am a 15-year-old teenager with myopia. Due to the need to see the blackboard in class, I went for an eye examination to get glasses. Two weeks ago, I visited a local hospital for an eye exam without dilation. The results from the...


Dr. Gao Pilin Reply:
Hello: Q1: What are the possible reasons for a difference of 50 diopters between the prescription obtained at the hospital and that obtained at the optical store? The difference in prescription may arise from several factors: 1. Testing environment: The refraction environment at...

[Read More] Understanding Prescription Differences: A Teen's Guide to Eyewear


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