retinal exam, Ophthalmology FAQ - Page 12

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Understanding the Occasional Black Spots in Your Vision

Sometimes, the eyes may see small black spots or floaters? Hello doctor, I am 15 years old and have myopia of 600 degrees with floaters. Recently, I sometimes see small black spots of light, but they disappear when I move my eyes. What could be the cause of this?


Dr. He Jianxian Reply:
I'm not sure what you mean by "little black light," but I recommend that if you have floaters, you should undergo a retinal examination to ensure your safety.

[Read More] Understanding the Occasional Black Spots in Your Vision


Understanding Vision Loss: Key Questions About Eye Health

Vision deterioration Hello Dr. Wang, I would like to ask you the following questions: 1. If there is a decrease in "visual acuity," will the prescription from a computer vision test increase? 2. If there is optic nerve atrophy, can it be detected during a fundoscopic ...


Dr. Wang Zhishun Reply:
Hello: 1. A decrease in "visual acuity" requires investigation into the underlying cause; for example, issues with the macula or optic nerve do not affect refractive error. 2. If there is optic nerve atrophy, it can be detected through a fundus examination. 3. Sudden vi...

[Read More] Understanding Vision Loss: Key Questions About Eye Health


Understanding Symptoms: Vitreous Degeneration vs. Macular Issues

Could you please provide more details or specify your question? Hello, Doctor Gao: The dark shadow I mentioned earlier does not move; it resembles a small, faint, round dark shadow that appears wherever I look. The edges of my vision are darker, while looking straight ahead, it i...


Dr. Gao Pilin Reply:
Hello Miss Huang: If the black spots are completely still, it may be a cause for concern. However, if there is slight movement and they follow your line of sight, it is likely due to vitreous degeneration. The symptoms of floaters can vary depending on the degree of vitreous liqu...

[Read More] Understanding Symptoms: Vitreous Degeneration vs. Macular Issues


Understanding Visual Disturbances in Low Light Conditions

Seeing things in the dark? If a doctor sees blue dots or white lights in the dark, resembling static from a television with no signal, and can still perceive these even with closed eyes, while having normal retinal examinations, this condition has been present for approximately s...


Dr. Gao Pilin Reply:
Hello, if the retina is normal, there shouldn't be any issues. Just make sure to have regular eye examinations and there's no need to worry too much. The Ophthalmology Department at Puzi Hospital in Taiwan is open Monday to Friday from 8:00 AM to 12:00 PM, Monday evenin...

[Read More] Understanding Visual Disturbances in Low Light Conditions


Understanding Temporary Blurry Vision: Causes and Solutions for Myopia

Transient visual blur Current eye condition: Severe myopia (800-900), symptoms of a long-term computer user: Blurred vision (feeling like something is foggy in the eyes), but it is very unstable with no specific sensations (no dryness, itching, pain, etc.). Timing: Occasionally, ...


Dr. Gao Pilin Reply:
Hello Jun-Jun: Based on your situation, it is unlikely that a retinal tear is the cause, as peripheral tears do not affect vision. If laser treatment is necessary, it should be administered as soon as possible. Your condition is related to the eye's accommodation, and restin...

[Read More] Understanding Temporary Blurry Vision: Causes and Solutions for Myopia


Should You Rush to Laser Surgery for Retinal Tears?

Does a retinal tear require immediate laser surgery? Hello Doctor, on March 18th, I suddenly noticed a jagged, shimmering float in the lower right part of my vision. After work, I immediately visited an ophthalmology clinic for an examination. The attentive doctor recommended a r...


Dr. Gao Pilin Reply:
Hello Molly: I recommend that you go to Cheng Kung University for another examination. If laser treatment is necessary, it can be performed immediately. This is because retinal detachment is a condition that cannot be completely restored. Early detection and prevention are crucia...

[Read More] Should You Rush to Laser Surgery for Retinal Tears?


Understanding Thinning Retina: Risks, Management, and Lifestyle Considerations

Thinner retina? I recently had a retinal examination due to floaters, and the doctor said it was normal floaters. I asked if there were any issues with my retina, and the doctor mentioned that some areas were thinner but still considered normal. I would like to ask: 1. I do not...


Dr. Gao Pilin Reply:
Hello, Xiao Wei: 1. The peripheral retina is naturally thinner, and if there are no issues, it is not a concern. 2. If it becomes too thin, there is a higher risk of holes forming. If holes do occur, they need to be sealed with laser treatment to prevent retinal detachment. If y...

[Read More] Understanding Thinning Retina: Risks, Management, and Lifestyle Considerations


Understanding Floaters and Visual Persistence: When to Seek Help

Floaters and visual persistence? Hello Doctor: My vision is 500/775, and I have noticed an increase in floaters over the past few months. Since I live in the city, I thought it was just an increase of 1 or 2 floaters. However, last week when I was on a boat surrounded by no build...


Dr. He Jianxian Reply:
There are several conditions to pay special attention to: 1. A sudden increase in the number of floaters. 2. The appearance of continuous high-frequency flashes of light. 3. A portion of the visual field appears particularly blurred. 4. Straight lines appear slightly bent or dist...

[Read More] Understanding Floaters and Visual Persistence: When to Seek Help


Managing Anisometropia and Astigmatism: Laser Correction Options

Anisometropia with astigmatism? Hello Doctor: I believe my vision problems stem from poor reading posture during childhood, and I have not corrected this issue for over ten years. I have a significant anisometropia of 300 degrees. I visited an ophthalmologist for an examination t...


Dr. Gao Pilin Reply:
Hello Kelly: For individuals with a disparity of more than 300 diopters between the two eyes, it is generally more challenging to fit glasses, and even with proper fitting, discomfort can occur. There are two solutions: one is to wear contact lenses, and the other is laser correc...

[Read More] Managing Anisometropia and Astigmatism: Laser Correction Options


Understanding Vitreous Degeneration: Should You Change Your Career?

Vitreous degeneration Hello Doctor, six months ago, whenever I turned off the lights at night, I would see bright spots when moving my eyes. If I closed my eyes and shook my head, I would see circles and bright dots. At that time, I was diagnosed with a small tear and underwent l...


Dr. He Jianxian Reply:
Hello: Essentially, your work increases the likelihood of presbyopia appearing earlier, but I believe you are overly concerned about work causing blindness. I recommend that you have a dilated retinal examination at most every six months. Wishing you good health.

[Read More] Understanding Vitreous Degeneration: Should You Change Your Career?


Post-Corneal Repair: Addressing Vision Issues and Emotional Support

Corneal suture healing? Hello Doctor: I would like to ask about a patient who sustained an eye injury from being struck by a ball, resulting in a corneal rupture that was sutured at the upper edge, not centrally on the pupil. Currently, two months post-surgery, the best-corrected...


Dr. Wang Yuwei Reply:
You are fortunate that the corneal center was not affected, allowing you to maintain good corrected vision. Whether hard contact lenses are suitable for you should be determined based on the extent of wound healing and the health of the corneal epithelium. Mydriatic agents may ca...

[Read More] Post-Corneal Repair: Addressing Vision Issues and Emotional Support


Understanding Blue Light Flashes: A Guide for High Myopia Patients

At night, there are blue areas when viewing the lantern festival? Hello Doctor, I am highly myopic and also experience significant flashes. Last Saturday night while riding my bike, I suddenly noticed that when I looked up at the streetlights, there was a patch of blue light belo...


Dr. He Jianxian Reply:
Hello: I suggest that you consult with another physician for further advice. Wishing you good health.

[Read More] Understanding Blue Light Flashes: A Guide for High Myopia Patients


Understanding Retinal Tears: Symptoms, Diagnosis, and Treatment Options

Retinal tear At the beginning of June, I went to a regional hospital to have my retina examined. The doctor told me that my retina was fine. However, a few days ago, when I looked up and shook my head, I saw reflective circles with my eyes closed, and shaking my head also produce...


Dr. He Jianxian Reply:
Hello: If there is indeed a tear, I still recommend laser treatment as it is safer. Generally, there is no need for rest after the laser procedure, and there should not be any discomfort. Wishing you good health.

[Read More] Understanding Retinal Tears: Symptoms, Diagnosis, and Treatment Options


Preventing Retinal Fluid Accumulation: Tips for Eye Health Recovery

Thank you, doctor, for the update on the status of the retinal detachment? Dr. Wang: Thank you so much! I'm not very familiar with the system, so I couldn't leave a review, and I had to express my gratitude this way! My mother was able to go on her cruise trip! Fortunat...


Dr. Wang Zhangji Reply:
You're welcome. Try to avoid excessive force or sudden acceleration and deceleration during activities. If you have vascular conditions such as diabetes or hypertension, it's important to manage them well. Remember to have regular retinal examinations, and sun protectio...

[Read More] Preventing Retinal Fluid Accumulation: Tips for Eye Health Recovery


Understanding Eye Fatigue: Causes, Remedies, and Safety of Mydriatics

Eye fatigue Doctor, due to my work, I often feel that my eyes are very fatigued when I get home, and my eyelids frequently feel heavy. When I close my eyes, I feel a lot of strain. I currently force myself to go to sleep around 11 PM, but there hasn't been any improvement. I...


Dr. He Jianxian Reply:
Hello: Essentially, what you refer to as mydriatics should be cycloplegic agents, which theoretically can relax the eye muscles. However, you should not use long-acting types to avoid being unable to work. Wishing you good health.

[Read More] Understanding Eye Fatigue: Causes, Remedies, and Safety of Mydriatics


Understanding Optic Nerve Issues in High Myopia: A Patient's Dilemma

Optic nerve issues Hello Doctor, I am highly myopic and have previously experienced elevated intraocular pressure, but after a few days, it can drop below 20. For the next two months, my intraocular pressure remained normal (I have visited the clinic around 10 times to measure my...


Dr. He Jianxian Reply:
Hello: I recommend that you first visit a well-established hospital to undergo a comprehensive visual field test (standard type) to assess whether you have glaucoma or if there are other issues causing your visual field loss. This will help determine the next steps in your treatm...

[Read More] Understanding Optic Nerve Issues in High Myopia: A Patient's Dilemma


Understanding Retinal Issues: When to Seek Help for Eye Symptoms

Retinal issues Hello Doctor: I constantly feel like it's raining in front of my eyes, and when I look at the sky, I see rapidly moving black and white spots. I consulted a doctor who said there were no abnormalities, just some opacities, and prescribed eye drops to improve t...


Dr. Wang Zhangji Reply:
A warning sign only indicates the possibility of a pathological change, not a direct confirmation of one. Since you have already been examined and found to be fine, there is no need to worry excessively. If your symptoms change further, you can undergo additional testing.

[Read More] Understanding Retinal Issues: When to Seek Help for Eye Symptoms


Understanding Optic Nerve Issues: Eye Pressure, Vision Loss, and Next Steps

Optic nerve issues? Hello, Doctor. I previously had an eye pressure spike up to 26, but after using eye drops (not for lowering eye pressure), it has been maintained between 15 and 19. Yesterday, I found a clinic that could perform a visual field test on-site (the doctor said it ...


Dr. He Jianxian Reply:
Hello: Essentially, your question contains too many uncertain assumptions. I recommend that you first seek a well-established hospital capable of conducting a comprehensive examination to confirm the diagnosis before considering subsequent treatment options. This would be a more ...

[Read More] Understanding Optic Nerve Issues: Eye Pressure, Vision Loss, and Next Steps


Understanding Unexplained Visual Flashes: Eye Health Insights

There are unexplained flashes of light? The right side of my vision oscillates in a clockwise direction. I can feel a sense of relaxation in my eye even when it's closed, and when I close my eyes, a small area of transparent distortion appears in my right visual field. When ...


Dr. Wang Zhishun Reply:
Hello, the phenomenon of your right visual field oscillating in a clockwise direction is less likely to be a retinal issue. There is a greater possibility related to eye position or the nervous system. Additionally, the presence of a small area of transparent distortion in the ri...

[Read More] Understanding Unexplained Visual Flashes: Eye Health Insights


Understanding Floaters and Eye Health: Concerns for Myopic Patients

Floaters and Eye Diseases 1. Hello, doctor. Thank you for your response. I am 22 years old, and my eyesight is approximately -7.00 diopters in both eyes. I developed floaters five years ago, and a few years back, an eye doctor examined my fundus and mentioned signs of degenerativ...


Dr. Wang Zhishun Reply:
Hello, 1. Based on your description, your floaters are likely a consequence of myopia, specifically due to vitreous degeneration. The quantity of floaters is not particularly significant, but if there is a sudden increase, an examination is necessary. 2. The activities you me...

[Read More] Understanding Floaters and Eye Health: Concerns for Myopic Patients


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