Vision, Ophthalmology FAQ - Page 18

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Understanding Blurry Vision: Causes and When to Seek Help

Blurred vision A few years ago, my father experienced episodes of sudden blurred vision that would resolve quickly. He visited an ophthalmologist, but the examination did not reveal any significant issues, and he was prescribed some eye drops. However, in the past 2-3 months, his...


Dr. Gao Pilin Reply:
Hello: Based on the situation you described, your father is experiencing sudden blurred vision that does not improve with glasses, and no significant issues were found during the ophthalmic examination. Such symptoms can arise from various factors, some related to the eyes themse...

[Read More] Understanding Blurry Vision: Causes and When to Seek Help


Understanding Negative Dysphotopsia After Cataract Surgery: Key Concerns

Arc-shaped shadows after cataract surgery? Thank you, doctor, for your previous response. I have a few questions to ask. 1. Is there a high risk of experiencing negative dysphotopsia post-surgery if it could not be detected preoperatively? 2. Is it completely impossible to adj...


Dr. Gao Pilin Reply:
Hello: It is not possible to fully predict whether an individual will experience negative dysphotopsia prior to ophthalmic surgery. This is a rare but potential side effect that can occur after cataract surgery. This condition typically manifests as unexpected glare or visual dis...

[Read More] Understanding Negative Dysphotopsia After Cataract Surgery: Key Concerns


Post-Laser Surgery Concerns: Understanding Retinal Health and Symptoms

What to expect after retinal laser surgery? Hello, Doctor! I suddenly noticed new floaters in my vision on Thursday, and the next day, Friday, I went to the clinic for an examination. The doctor there dilated my pupils and said that the retina in my left eye was somewhat thin. Du...


Dr. Chen Anping Reply:
Hello: We recommend that you visit the ophthalmology outpatient clinic to address this issue and undergo an examination. Thank you. Hualien Hospital, Ministry of Health and Welfare, cares about your health.

[Read More] Post-Laser Surgery Concerns: Understanding Retinal Health and Symptoms


Understanding Blurry Vision: Causes, Treatments, and Eye Health Concerns

Blurred vision When looking at things while smiling, only the center is clear, and the edges are blurry. My eyes also feel itchy. The doctor prescribed chloramphenicol and Hucare Vision to be used four times a day, and I have to use the eye drops every three hours. Can I use them...


Dr. Gao Pilin Reply:
Hello: When you smile, only the center of your vision is clear, while the edges are blurry. This may be due to squinting when smiling, which causes this phenomenon. Whether it is dry eye syndrome can only be determined after an examination. The doctor prescribed artificial tears,...

[Read More] Understanding Blurry Vision: Causes, Treatments, and Eye Health Concerns


Understanding Floaters and Retinal Issues: When to Seek Medical Attention

Floaters and Retinal Disorders In response to the follow-up question regarding the increase in floaters, both nurses and doctors emphasize that "if there is a significant increase in black spots, it is important to seek medical attention promptly." I would like to ask h...


Dr. Gao Pilin Reply:
Hello: 1. Sudden increase in floaters or black spots: If you suddenly notice a large number of new floaters or black spots, especially if these symptoms appear suddenly, continue to increase, or spread rapidly, you should seek medical attention immediately. Use your own judgmen...

[Read More] Understanding Floaters and Retinal Issues: When to Seek Medical Attention


Understanding Blurry Vision: Possible Causes and Solutions for Eye Fatigue

The eyes appear as if they have been dilated with a mydriatic agent? Hello, Doctor. I have hyperopia, with my left eye at +50 diopters and my right eye at +100 diopters. After using a dilating agent, the measurements were +125 diopters for the left eye and +150 diopters for the r...


Dr. Gao Pilin Reply:
Hello: Although presbyopia is less common in younger individuals, it can still occur at times. Presbyopia is a colloquial term, as it typically affects older adults. It is essentially a condition characterized by insufficient near accommodation of the eyes. Since you are farsight...

[Read More] Understanding Blurry Vision: Possible Causes and Solutions for Eye Fatigue


Understanding Eye Lightning: Causes and Concerns for Vision Issues

Closed-eye visual phenomena The phenomenon of seeing flashes of light when closing the eyes, especially after a thorough dilated eye examination in early October, is concerning. Here are the questions I have: For instance, when I close my eyes in bright light, I can perceive some...


Dr. Gao Pilin Reply:
Hello: The sensation of flashes or lightning may be one of the signs of retinal abnormalities. Flashes are typically caused by the vitreous pulling on the retina due to internal fibrous changes. Floaters are small dots, lines, or cloud-like shapes seen in the visual field, usuall...

[Read More] Understanding Eye Lightning: Causes and Concerns for Vision Issues


Post-Cataract Surgery: Understanding Persistent Dilation of the Pupil

Regarding pupil dilation after cataract surgery? Hello Dr. Liang, I would like to ask a question. My mother underwent cataract surgery on her right eye on November 28. She had follow-up appointments for two consecutive mornings after the surgery, and her pupils were normal and co...


Dr. Liang Ce Reply:
We recommend that you discuss the above situation further with your attending physician. Wishing you good health. Thank you!

[Read More] Post-Cataract Surgery: Understanding Persistent Dilation of the Pupil


Assessing Potential Orbital Fracture After Eye Injury: When to Seek CT Scan?

Ocular trauma A day ago, I accidentally elbowed the person next to me around the left eye corner. At that moment, he reported significant pain and dizziness, but the pain subsided after a few minutes. There were no obvious abnormalities in light reflex, extraocular movements (EOM...


Dr. Gao Pilin Reply:
Hello: Based on the information you provided, it is possible that the reduced smoothness of eye movement is due to swelling of the tissues in the injured area, and it does not seem to indicate a severe fracture. However, it is still recommended that your friend see an ophthalmolo...

[Read More] Assessing Potential Orbital Fracture After Eye Injury: When to Seek CT Scan?


Safe Water Temperature for Rinsing Eye Foreign Objects

Foreign body in the eye? Hello doctor, I would like to ask what temperature is appropriate for rinsing the eyes with warm water? I had a foreign object in my eye before taking a shower and lightly wiped it with a corner of a tissue. During the shower, I thought about rinsing my e...


Dr. Gao Pilin Reply:
Hello: Typically, the temperature of lukewarm water for eye washing should be comfortable and non-irritating to the eyes. For most individuals, this temperature is approximately between 34°C and 37°C (93°F to 98.6°F). This range is generally considered safe for eye cleansing and ...

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Understanding Floaters and Visual Distortions: Eye Health Insights

Eye problem consultation? Hello, Doctor. I have floaters and I usually go for an eye exam every six months to a year. Today, while using the Amsler grid, I have two questions to ask. First: Initially, I saw straight lines without any blurriness or distortion, but later, I noticed...


Dr. Gao Pilin Reply:
Hello: 1. The distortion or blurriness that appears suddenly and improves with rest is usually unlikely to be a macular issue. Macular degeneration is characterized by persistent blurriness and distortion. 2. The situation you described is more likely due to prolonged staring, wh...

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


Understanding Chalazia: Causes, Symptoms, and Treatment Options

Eyelid milia Hello doctor, since my right eye underwent surgery for a stye last year, I have noticed some small blisters and even small bumps appearing. The surgical area has also remained red. Is this considered a complication? Can I leave the milia alone? They haven't disa...


Dr. Gao Pilin Reply:
Hello: Regarding the fat deposits after surgery, they may sometimes resolve on their own, but it can take some time. If the fat deposits do not cause discomfort or affect your vision, they typically do not require special treatment. However, if you experience any pain, blurred vi...

[Read More] Understanding Chalazia: Causes, Symptoms, and Treatment Options


Understanding Over-Prescription of Glasses: Eye Fatigue and Vision Clarity

Excessive lens prescription, issues with eyewear fitting? Hello Doctor, I had surgery for strabismus on my left eye at Chang Gung Hospital on October 26, and my recovery has been smooth. However, recently I have been experiencing occasional soreness and swelling in my right eye. ...


Dr. Gao Pilin Reply:
Hello: You can use these glasses and continue wearing them until your follow-up examination at Chang Gung Hospital for a new prescription. However, be cautious not to use these glasses for prolonged near vision tasks, as a stronger prescription can lead to increased eye strain. I...

[Read More] Understanding Over-Prescription of Glasses: Eye Fatigue and Vision Clarity


Understanding Eye Flashes: Causes and Concerns Explained

Flashes of light in the eyes? Hello, doctor. I would like to inquire about the issue of visual flickering. I researched online and found that the flickering resembles the patterns associated with migraine aura, but I do not have a history of migraines. This occurs occasionally, a...


Dr. Gao Pilin Reply:
Hello: Based on your description, the flickering in your eyes resembles the patterns associated with migraine aura, but since you do not have a history of migraines, there could be several other reasons: 1. **Floaters**: Floaters are a common ophthalmic condition caused by opac...

[Read More] Understanding Eye Flashes: Causes and Concerns Explained


Understanding Retinal Degeneration: Symptoms, Progression, and Concerns

Retinal degeneration Hello, Doctor Gao. I would like to inquire about my condition. I previously had a retinal tear that healed on its own, but in July, I underwent laser treatment for the peripheral area. Since then, I have been experiencing flashes of light above my eye, which ...


Dr. Gao Pilin Reply:
Hello: Retinal tears and retinal degeneration are different conditions of eye diseases, each with distinct characteristics and potential consequences. A retinal tear refers to a fissure or break in the retina, which may lead to retinal detachment and requires treatment to prevent...

[Read More] Understanding Retinal Degeneration: Symptoms, Progression, and Concerns


Understanding Retinal Holes: Symptoms, Treatment, and Recovery Insights

Retinal tear Dear Dr. He, On November 3rd, I suddenly experienced a large black shadow in my right eye that was floating around. At first, I didn't think much of it, but while riding my scooter home after work, it transformed into a complete black spot with curved black lin...


Dr. He Jianxian Reply:
Dear Ms. Avian: Based on the situation you described, it is possible that there was a small amount of bleeding at the time of the retinal tear, and this bleeding will take some time to dissipate; it will not disappear immediately after the laser treatment. Dr. He Jianxian, Ophtha...

[Read More] Understanding Retinal Holes: Symptoms, Treatment, and Recovery Insights


Blurred Vision in One Eye: Possible Causes and Concerns

Blurred vision in one eye when looking at nearby objects? Hello, doctor. I would like to ask about my recent issue with my right eye. When I try to see things up close, everything appears blurry. I have been wearing orthokeratology lenses, and I had an eye examination last week, ...


Dr. He Jianxian Reply:
Hello, Chen Meimei: If your vision is blurry when looking at things up close while wearing orthokeratology lenses, we need to check if the prescription of the lenses is too strong or if there is any corneal abrasion after wearing them. If the situation persists, it is advisable t...

[Read More] Blurred Vision in One Eye: Possible Causes and Concerns


Understanding High Myopia and Its Impact on Eye Health

High myopia and retinal issues? Hello, Doctor. I would like to ask you some questions. Thank you, Doctor! 1. In a dimly lit room, when I cover one eye, the vision in that eye appears very blurry, as if there is noise in front of me. Could this be related to retinal or macular de...


Dr. He Jianxian Reply:
Dear Ms. M: 1 & 2: Lesions or diseases do not simply resolve on their own. 3: Theoretically, we cannot see holes in our own retina; it is more likely to be floaters. 4: If you are concerned about potential retinal issues, you should prioritize a dilated eye examination by ...

[Read More] Understanding High Myopia and Its Impact on Eye Health


Understanding Fixed Black Shadows in Vision: Causes and Concerns

Eye floaters? Thank you for taking the time to respond, Doctor. I would like to ask about an incident that occurred last week during a retinal examination at the hospital. The doctor noted that there were areas of thinning in my retina and performed preventive laser treatment. A ...


Dr. He Jianxian Reply:
Hello Mr. Zion: 1. Floaters come in various forms and are not fixed. 2. A constricted visual field means you cannot see certain things, rather than seeing extra things. 3. If applying red micro ointment before bed makes you uncomfortable, it is advisable to switch to another ...

[Read More] Understanding Fixed Black Shadows in Vision: Causes and Concerns


Can Glasses Improve Vision for High Myopia and Astigmatism?

Degree issue If my eyesight is around -700 to -800 for myopia and over -400 for astigmatism, can wearing glasses restore my vision to 0.6 or 0.8? I'm concerned about passing the vision test for my motorcycle license. Thank you!


Dr. He Jianxian Reply:
Hello, Wan-Ting: We need to conduct an actual fitting for the glasses to determine the correct prescription; it cannot be inferred just from the description. Dr. Ho Chien-Hsien, Ophthalmology Department, Nantou Hospital.

[Read More] Can Glasses Improve Vision for High Myopia and Astigmatism?


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