Vision, Ophthalmology FAQ - Page 41

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Post-Retinal Laser Treatment Care: Essential Tips and Common Concerns

Post-operative care after retinal laser treatment? Hello, Doctor. I underwent retinal laser treatment on both eyes at the end of January and returned for a follow-up in late February. The doctor informed me that the treated areas were stable, which relieved my anxiety. The doctor...


Dr. Gao Pilin Reply:
Hello: 1. The formation of retinal tears is usually caused by uneven traction within the eye, with the most common reason being vitreous contraction and thickening of the retinal membrane due to aging. Other causes may include external trauma or impact to the eye, ocular diseases...

[Read More] Post-Retinal Laser Treatment Care: Essential Tips and Common Concerns


Understanding Eye Flashes: Causes and Concerns for Patients

Flashes of light in the eyes? Hello, Doctor. I currently have floaters. I underwent a dilated eye exam last Monday, and there were no retinal tears. The day after the dilated exam, I started experiencing flashes of light at the edges of my visual field (such as the upper part of ...


Dr. Gao Pilin Reply:
Hello: The sensation of flashes is typically caused by the movement or stimulation of intraocular tissues. Therefore, the flashes you described may be due to the movement of tissues within the vitreous body. Flashes are usually described as white flashes, flickering, or bright sp...

[Read More] Understanding Eye Flashes: Causes and Concerns for Patients


Understanding Eye Growths: Are They Serious or Congenital?

There are polyps in the eyeball? There is a growth resembling a polyp in the lower left corner of my left eye, near the side of my ear. As far as I can remember, it has always been there since I was alive. It currently does not cover the pupil but is attached to an area similar t...


Dr. Gao Pilin Reply:
Hello: This may be a subconjunctival nodule, commonly referred to as a "conjunctival cyst," which is often found in the upper or lower conjunctiva or on the inner or outer sides. Some individuals are born with them, while others may develop them due to eye irritation or...

[Read More] Understanding Eye Growths: Are They Serious or Congenital?


Understanding Corneal Abrasion and Infection: Causes, Symptoms, and Recovery Tips

Corneal abrasion infection Hello, Doctor. Last Thursday night, I visited an ophthalmologist because my eyes were itchy. The doctor diagnosed it as an allergy (I usually do not wear contact lenses) and prescribed COLSAMIN EYE OINTMENT and Curzolan Eye Drops. The next day, I felt t...


Dr. Gao Pilin Reply:
Hello: 1. The slow recovery from an infection may have various causes, such as the type of pathogen being particularly virulent, the patient's immune system being weakened, the medication being insufficiently effective, or the patient having other health issues. If the patie...

[Read More] Understanding Corneal Abrasion and Infection: Causes, Symptoms, and Recovery Tips


Understanding Presbyopia: Common Questions and Clarifications

Questions about presbyopia? Hello, Doctor. Recently, I seem to be experiencing some presbyopia, and I've looked up some information online, but there are still some areas I'm unclear about, so I would like to consult you, Dr. Gao! 1. Is it true that presbyopia is defin...


Dr. Gao Pilin Reply:
Hello: 1. The onset of presbyopia varies from person to person, but generally speaking, it may be a symptom of presbyopia when one experiences blurriness while looking at nearby objects and needs to move them away from the eyes to see clearly. The distance at which objects need t...

[Read More] Understanding Presbyopia: Common Questions and Clarifications


Understanding Eyelid Issues: When to Seek Medical Attention

Eyelid issues Hello doctor, I have a slight foreign body sensation in my right eye. I flipped my upper eyelid and found a small red swelling with a wound about 0.2 cm wide. It doesn't hurt and doesn't affect my vision habits. I would like to know if this wound will heal...


Dr. Gao Pilin Reply:
Hello: If you have a wound on your eye, even if it is not painful and does not affect your visual habits, you should pay special attention. The eyes are very delicate and sensitive organs, and even a small wound can lead to infection and other issues. It is advisable to seek medi...

[Read More] Understanding Eyelid Issues: When to Seek Medical Attention


Understanding Visual Afterimages and Floaters: Key Eye Health Insights

Visual persistence + floaters Hello Doctor: I have myopia of approximately 800 to 900 degrees, floaters, and dry eyes. I had a normal fundus examination a month ago. I have a few questions I would like to ask: 1. I sometimes experience significant visual persistence, for example...


Dr. Gao Pilin Reply:
Hello: 1. Based on your description, this may be a phenomenon known as "vitreous detachment," rather than visual persistence. The vitreous is the clear gel-like substance in the eye, which gradually shrinks and changes shape with age. When these changes begin to affec...

[Read More] Understanding Visual Afterimages and Floaters: Key Eye Health Insights


Understanding Eye Pain When Moving: Causes and Concerns

Eye movement pain? Hello doctor, I spend about 7 hours a day on my phone. Today, when I moved my eyes, I suddenly felt some pain in my left eye. Could this be a result of eye fatigue? Additionally, I currently have floaters, and while I feel pain when moving my eyes, I do not see...


Dr. Gao Pilin Reply:
Hello: Based on your description, you may be experiencing eye strain. Prolonged use of mobile phones or electronic devices can lead to eye fatigue, which includes symptoms such as dry eyes, blurred vision, eye pain, and headaches. To alleviate these symptoms, it is recommended th...

[Read More] Understanding Eye Pain When Moving: Causes and Concerns


Symptoms of Retinal Tears: When to Seek Eye Care for Flashing Lights

Retinal tear 1. What symptoms can occur with a retinal tear? 2. I currently experience flashes of light every time I move my eyes (does this indicate retinal detachment? My flashes do not resemble lightning but feel like a brief illumination). However, in dark areas, I only see ...


Dr. Gao Pilin Reply:
Hello: 1. Retinal tears may cause the following symptoms: - Sudden appearance of flashes, flickering, or other visual disturbances. - Presence of numerous small dark spots, similar to floaters. - Sudden loss of vision in a specific area, or overall vision becoming b...

[Read More] Symptoms of Retinal Tears: When to Seek Eye Care for Flashing Lights


Understanding White Growths with Hair Near the Inner Eyelid

White growth of granulation tissue with hair on the inner eyelid margin? Hello, recently I've been experiencing itchy eyes, and when I pulled back the upper eyelid, I discovered a growth with a white surface that has several hair-like structures resembling eyelashes.


Dr. Gao Pilin Reply:
Hello: If you experience itchy eyes and notice a growth above your eye, it is advisable to seek medical attention promptly, as this may be a symptom of an eye condition. This growth could be a ciliary cyst, which is a benign tumor that typically appears on the skin near the eyela...

[Read More] Understanding White Growths with Hair Near the Inner Eyelid


Understanding Flashing Black Spots in Your Vision: Causes and When to See an Eye Doctor

Flashing black spots in the field of vision? Hello Doctor, I would like to inquire about a symptom I experience. When I forcefully close my eyes and then open them (such as when washing my hair or yawning), I see black spots flickering and floating in my visual field, as if there...


Dr. Gao Pilin Reply:
Hello: Based on your description, you may be experiencing symptoms of floaters, which are typically described as black dots, lines, or spirals that flicker or move within your field of vision. Floaters are usually caused by the gradual liquefaction of the transparent gel-like sub...

[Read More] Understanding Flashing Black Spots in Your Vision: Causes and When to See an Eye Doctor


Understanding Nystagmus: Eye Examination Insights and Vision Impact

Nystagmus Hello, when a physician examines a patient with nystagmus using an ophthalmoscope and slit lamp, will the images seen by the physician be affected by the movements of the nystagmus? Additionally, does the severity of nystagmus correlate with worse visual acuity?


Dr. Gao Pilin Reply:
Hello: When physicians use an ophthalmoscope or slit lamp for eye examinations, they typically observe a stationary image of the eye. If the patient has nystagmus, the image seen by the physician will appear to be oscillating. Therefore, even slight oscillations become very prono...

[Read More] Understanding Nystagmus: Eye Examination Insights and Vision Impact


Understanding Strabismus: Is It Due to High Astigmatism or True Misalignment?

Strabismus issues? Hello, Doctor Gao: My right eye has a myopia of 100 degrees and astigmatism of 375 degrees, while my left eye has a myopia of 225 degrees and astigmatism of 75 degrees. Generally, I can see clearly with both eyes when looking at distant objects, and I can see w...


Dr. Gao Pilin Reply:
Hello: Based on your description, when looking at nearby objects, your right eye tends to drift outward, which may indicate insufficient convergence of the eye, possibly due to latent exotropia. The action of the medial rectus muscle is weaker than that of the lateral rectus musc...

[Read More] Understanding Strabismus: Is It Due to High Astigmatism or True Misalignment?


Is Daily Use of 0.01% Atropine Eye Drops Effective for Preventing Myopia in Kids?

Can children use a daily dose of 0.01% long-acting atropine eye drops to "prevent myopia"? Hello Doctor: My daughter is 8 years old, and her vision is 1.0 in both eyes, with 25 degrees of hyperopia in each eye. A physician has suggested starting daily administration of ...


Dr. He Jianxian Reply:
Is it necessary to rely on medication to maintain this condition? Clinically, there is no strong evidence, as engaging in more outdoor activities can achieve the same effect. Dr. Ho Chien-Hsien, Ophthalmology Department, Nantou Hospital.

[Read More] Is Daily Use of 0.01% Atropine Eye Drops Effective for Preventing Myopia in Kids?


Understanding Intermittent Diplopia: Challenges with Mid-Distance Vision

Intermediate diplopia When looking at objects at a medium distance with both eyes, I see two images. There are no issues when looking at near or far objects, but at medium distance, I see 123 4567 8910.


Dr. He Jianxian Reply:
Your condition may be due to an inappropriate prescription for your glasses, causing focusing issues, or it could be related to a problem with the visual axis of both eyes. The first step would be to consider adjusting your glasses prescription. If that does not help, you may nee...

[Read More] Understanding Intermittent Diplopia: Challenges with Mid-Distance Vision


Understanding Double Vision: Causes and Effects at Close Distances

Seeing double images of an object occurs when there is a certain distance between them? When seriously focusing on an object more than 2 centimeters away for over 5 seconds, it appears as two objects. However, if the target is within 2 centimeters, the left, middle, and right por...


Dr. He Jianxian Reply:
Your condition may be caused by an inappropriate prescription for your glasses, leading to focusing issues, or there may be a problem with the alignment of your eyes. The first step would be to consider adjusting your glasses. If that does not help, you may need to visit an ophth...

[Read More] Understanding Double Vision: Causes and Effects at Close Distances


Understanding Gray Floaters in One Eye: Causes and Solutions

Seeing gray, patchy objects in the eye? Hello: This situation has occurred three times, but there is no fixed pattern; the three occurrences did not happen in the same year. I have myopia and astigmatism, but it is not high myopia. The symptoms appear in one eye at a time, either...


Dr. Cai Wenyuan Reply:
Observe the symptoms, and if they persist, seek medical evaluation.

[Read More] Understanding Gray Floaters in One Eye: Causes and Solutions


Temporary Vision Dimming: Is It a Sign of Retinal Issues?

The vision momentarily darkened? Four days ago, I was diagnosed with chronic conjunctivitis. This afternoon, I experienced a brief moment where the lights seemed to dim for less than a second, but then it returned to normal. Later, I realized there was no issue with the lights. A...


Dr. Gao Pilin Reply:
Hello: If you notice a momentary dimming of the lights, this phenomenon may be caused by transient power fluctuations or unstable electricity supply. If this occurs frequently, you may need to contact your local power company to check the stability of the power supply. However, i...

[Read More] Temporary Vision Dimming: Is It a Sign of Retinal Issues?


Do You Need Glasses for Mild Myopia in a Classroom Setting?

Eyeglass prescription issues? Currently, the myopia is only 75 degrees, but the distance from the seat to the blackboard is too far (due to height restrictions, the seat cannot be changed), so it is difficult to see clearly. In this situation, is it necessary to get glasses?


Dr. Gao Pilin Reply:
Hello: Although 75 degrees is not very deep, if you cannot clearly see the blackboard in the classroom, you may need to consider wearing glasses. The eyes require different adjustments when reading and looking at distant objects. If your eyes cannot adapt to the classroom environ...

[Read More] Do You Need Glasses for Mild Myopia in a Classroom Setting?


Concerns About Eye Damage from Laser Exposure: What You Need to Know

Eye problems Hello, doctor. Two years ago, due to my ignorance, I exposed my eyes to a strong light laser for about 5-6 seconds. After that, I noticed a small spot that resembled an "afterimage" from light exposure, but it persisted for several days without disappearing...


Dr. He Jianxian Reply:
Theoretically, if the examination does not reveal any changes in the retina, there should be no issues. Significant damage to the retina from high-energy exposure would manifest as observable changes. - Dr. He Jianxian, Ophthalmology Department, Nantou Hospital.

[Read More] Concerns About Eye Damage from Laser Exposure: What You Need to Know


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