exposure to bright light, Ophthalmology FAQ

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Understanding Eye Fatigue and Macular Degeneration: Key Insights

Eye fatigue? Macular degeneration? Hello, doctor. I have high myopia (around 1000 degrees). Last month, I had a comprehensive eye examination at an ophthalmology clinic, which included dilation and OCT. Aside from experiencing symptoms of floaters, everything else was normal. Rec...


Dr. Gao Pilin Reply:
Hello: Based on your situation, there are several points to consider: 1. Eye Strain: Prolonged exposure to electronic screens can easily lead to eye strain, especially in individuals with high myopia. This strain may cause visual distortions, such as slight tilting of images or...

[Read More] Understanding Eye Fatigue and Macular Degeneration: Key Insights


Why Do My Eyes Hurt in Bright Sunlight? Understanding Eye Pain

Experiencing sharp pain in the eyes when exposed to sunlight? Hello doctor, this morning when I opened the window and sunlight came in, I suddenly felt a sharp pain in my eyes. Later, when I rode my bike from the basement to the entrance and encountered the sunlight again, I expe...


Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, experiencing sharp pain in the eyes after exposure to sunlight may have multiple causes. Here are some possible explanations: 1. Photophobia: This refers to an increased sensitivity of the eyes to light. Photophobia can be caused by va...

[Read More] Why Do My Eyes Hurt in Bright Sunlight? Understanding Eye Pain


How to Alleviate Eye Strain from Astigmatism and Refraction Issues

Eye strain? Doctor, you mentioned last time that my astigmatism was measured at 25 degrees. I've also noticed that the effect of light refraction through windows makes my tearing more pronounced. Sometimes, when I blink, both eyes seem to experience this simultaneously (the ...


Dr. Gao Pilin Reply:
Hello: To reduce the effects of window refraction, you can sometimes avoid direct exposure to bright light from windows or adjust your seating position to place your eyes in a more gentle light. As for astigmatism, since it is only 25 degrees, it should not cause significant eye ...

[Read More] How to Alleviate Eye Strain from Astigmatism and Refraction Issues


Understanding Flickering Vision: Causes and Concerns in Eye Health

Fluctuating flashes of light in the visual field? Hello Doctor: A few days ago, I woke up in the middle of the night to use the restroom and suddenly noticed a flash at the edges of my vision. I thought it was just a trick of the light or due to blinking. After returning to my ro...


Dr. Gao Pilin Reply:
Hello: There could be multiple potential causes for this situation. Here are a few possible reasons: 1. Macular diseases: Certain macular conditions, such as macular degeneration, may lead to visual disturbances or flickering, especially in low-light environments. 2. Eye strain: ...

[Read More] Understanding Flickering Vision: Causes and Concerns in Eye Health


Understanding Eyebrow Pain: Causes, Relief, and When to See a Doctor

Orbital pain related issues? Hello, Doctor Gao: After waking up today, I noticed pain in the upper part of my left eye socket. I'm not sure what the cause is. Could using the computer and phone more than usual yesterday lead to this situation? My vision seems to be unaffecte...


Dr. Gao Pilin Reply:
Hello: The pain in the area above your left eye may have multiple causes. Prolonged use of computers and smartphones could be a contributing factor, as staring at screens for extended periods can lead to eye strain and discomfort. In addition to prolonged use of electronic device...

[Read More] Understanding Eyebrow Pain: Causes, Relief, and When to See a Doctor


Are Halogen Bulbs Harmful to Your Eyes? Expert Insights

Halogen bulbs can cause eye damage? Hello, Doctor. I use a halogen lamp as a night light, and I keep it quite bright. Today, I read that halogen bulbs can harm the eyes. I would like to ask you, if the halogen bulb shines on a white candle and then reflects into my eyes, what kin...


Dr. Gao Pilin Reply:
Hello: Prolonged exposure to bright light can exert a certain degree of stress on the visual system. Particularly, using high-intensity lighting at night may lead to eye fatigue and discomfort. In your specific situation, the halogen bulb reflecting off a white candle and into yo...

[Read More] Are Halogen Bulbs Harmful to Your Eyes? Expert Insights


Understanding Eye Flashes and Retinal Degeneration: Your Questions Answered

Flashes of light during blinking and retinal issues? Hello Doctor, I have over 600 degrees of myopia and floaters. A few days ago, I underwent a dilated eye exam, and the doctor said my retina is degenerating. I would like to ask: 1. Today, every time I blink, I see a fixed bri...


Dr. Gao Pilin Reply:
Hello: 1. The spots or flashes you described may be due to changes in the vitreous or retina, which are often caused by retinal or vitreous degeneration. It is advisable to seek a follow-up appointment for a more detailed examination by a physician. 2. Lutein and zeaxanthin can h...

[Read More] Understanding Eye Flashes and Retinal Degeneration: Your Questions Answered


Dealing with Light Sensitivity After Pupil Dilation: What You Should Know

Pupil-dilating agents cause photophobia? Hello Doctor, I had a check-up for floaters today. After the appointment, while walking outside, I was wearing a hoodie and holding a notebook to shield myself from the sun, but I still found it difficult to open my eyes due to the brightn...


Dr. Gao Pilin Reply:
Hello: Short-term exposure to bright light usually does not cause harm to the eyes. Once the pupils constrict, it will feel more comfortable, so please don't worry.

[Read More] Dealing with Light Sensitivity After Pupil Dilation: What You Should Know


Does Exposure to Bright Light Increase Cataract Risk?

Bright light and cataracts? Hello, Doctor. I recently heard that frequently staring at bright lights can increase the risk of developing cataracts. Due to my anxiety disorder, I have often looked at streetlights, car headlights, or LED lights at night over the past year to check ...


Dr. Gao Pilin Reply:
Hello: Streetlights, car lights, or LED lights do not cause cataracts. Wearing sunglasses can prevent retinal diseases and also help prevent cataracts.

[Read More] Does Exposure to Bright Light Increase Cataract Risk?


Understanding Nystagmus: Can You Wear Contact Lenses?

Eye problems Hello, there is a saying that if someone has nystagmus, it is considered more serious, and they should not wear orthokeratology lenses or contact lenses. Could you explain the reason for this restriction? When looking at brighter objects, I feel that the surroundings...


Dr. Gao Pilin Reply:
Hello, Xin: It is possible that the movement during tremors may cause image instability or corneal abrasion. This is likely a normal physiological phenomenon; exposure to bright light can cause the periphery to appear darker. The flickering, differently shaped color patches may b...

[Read More] Understanding Nystagmus: Can You Wear Contact Lenses?


Understanding Light Sensitivity and Retinal Burn Symptoms

I would like to inquire about some eye disease issues? Hello, Doctor Gao. Recently, I've been feeling a bit sensitive to light when looking at streetlights, car headlights, and the sun. However, I don't experience tearing or pain; I just notice a slight dark shadow for ...


Dr. Gao Pilin Reply:
Hello, Wanfu: Generally, common lighting fixtures do not cause retinal burns, so you can rest assured. Retinal burns can lead to blurred vision, visual field loss, and persistent dark spots. Dryness or fatigue in the eyes may also result in light sensitivity. After exposure to br...

[Read More] Understanding Light Sensitivity and Retinal Burn Symptoms


Is Brief Exposure to Bright Light Harmful to Your Eyes?

Issues Related to Bright Light Exposure to the Eyes Hello, recently due to experiments, I occasionally see the light from my phone's flashlight, although each exposure lasts only about 1 to 2 seconds, the frequency is somewhat high. Doctor, could this short-duration, high-fr...


Dr. Gao Pilin Reply:
Hello JAM: The light energy from mobile phones should not cause harm, so please rest assured.

[Read More] Is Brief Exposure to Bright Light Harmful to Your Eyes?


Post-Laser Eye Treatment: Understanding Discomfort and Recovery Time

Discomfort after laser treatment? Hello, Doctor Gao. I went to the clinic the day before yesterday for a routine follow-up and discovered a hole in my left eye. I was immediately scheduled for laser treatment. Right after the procedure, my left eye was almost completely blurry, a...


Dr. Gao Pilin Reply:
Hello, Ah Wei: You just underwent dilation, and possibly had exposure to bright light, which can cause blurriness. Laser treatment is usually performed on the periphery and should not affect your vision. Since the clinic doctor advised you to return if you see flashes of light, p...

[Read More] Post-Laser Eye Treatment: Understanding Discomfort and Recovery Time


Long-Term Use of Mydriatics: Risks of Glaucoma and Other Eye Conditions

Side effects of eye drops? 1. If the angle is normal but there is a predisposition to "chronic" open-angle glaucoma, will long-term use of mydriatic agents induce glaucoma? 2. I have seen different opinions online. Doctor A says, "Long-term use should be cautious ...


Dr. Gao Pilin Reply:
Hello Daniel: Open-angle glaucoma is less likely to experience acute attacks due to mydriatic agents. Closed-angle glaucoma is more prone to such occurrences. Mydriatic agents cause the pupils to dilate, increasing the amount of light entering the eye. Prolonged exposure to brigh...

[Read More] Long-Term Use of Mydriatics: Risks of Glaucoma and Other Eye Conditions


Understanding High Myopia: Symptoms, Risks, and Treatment Options

Case of suspected pathologies associated with high myopia? Hello Doctor: Recently (for almost three months), I have been experiencing a multitude of transparent white spots or black shadows flickering in my field of vision (they are more noticeable in a dark room or against a sin...


Dr. Gao Pilin Reply:
Hello, Genghis Khan VI: If the fundus examination shows no significant lesions, this condition may be related to issues with the vitreous body. Laser treatment does not cause axial elongation-related lesions, but it can lead to retinal damage, so it is essential to wear protectiv...

[Read More] Understanding High Myopia: Symptoms, Risks, and Treatment Options


Is Staring at Bright Lights Harmful to Your Eyes?

Lighting issues I went to the basketball court for the past two nights and looked at the court lights for about 3 seconds, then watched the players for a bit, and repeated this about 5 times. I suddenly wondered if this could harm my eyes. I won't do it again in the future.


Dr. Cai Wenyuan Reply:
Hello: Please try to avoid direct exposure to bright light. Wishing you safety and health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan General Hospital, Ministry of Health and Welfare.

[Read More] Is Staring at Bright Lights Harmful to Your Eyes?


Impact of Bright Lights and Sun Exposure on Eye Health

Lighting and sunlight 1. If you looked at a glowing incandescent bulb at a distance of about 20 to 30 cm for five to ten minutes without wearing glasses, it is unlikely to cause any significant damage or permanent harm to your eyes from just that one instance. However, prolonged ...


Dr. Cai Wenyuan Reply:
Hello, try to avoid direct exposure to bright light sources. Based on your description, it should not cause any harm.

[Read More] Impact of Bright Lights and Sun Exposure on Eye Health


Understanding the Impact of Mydriatic Agents and Laser Treatment on Retina Health

Pupil dilation agents for fundus examination and retinal laser fixation? Dear Dr. Wang, I have three questions regarding retinal examination and treatment: 1) A few days ago, I went to the clinic for retinal laser treatment and was scheduled for a follow-up in one month. Howeve...


Dr. Wang Zhangji Reply:
You are already wearing a hat and keeping your head down, so short-term exposure to bright light is unlikely to cause significant harm. There's no need to worry too much; just make sure to follow up with regular check-ups.

[Read More] Understanding the Impact of Mydriatic Agents and Laser Treatment on Retina Health


Potential Eye Damage from Close LED Light Exposure: What to Know

Looking directly at LED light bulbs? Hello: This morning, I had just replaced an LED light bulb when my mother suddenly turned on the light. My eyes were less than 15 centimeters away from the bulb, and it turned on suddenly at such a short distance. May I ask: 1. Will this situa...


Dr. He Jianxian Reply:
Hello: Sudden exposure to bright light triggers a biological instinct to avoid it, and we typically react quickly to avert our eyes, which should not cause any visual harm. You need not worry excessively. Wishing you peace and happiness.

[Read More] Potential Eye Damage from Close LED Light Exposure: What to Know


Understanding Blurry Vision: Retinal Issues and Dry Eye Symptoms

Blurred vision due to retinal tears or detachment? Hello Doctor: I have high myopia, with my left eye approximately 650-700 degrees and my right eye about 850-900 degrees (the measurements vary from different clinics). I experience floaters and sometimes see flashes of light. Las...


Dr. Liu Jingxian Reply:
Hello, Miss: Based on your described symptoms, you have dry eye syndrome and have recently experienced floaters, occasional flashes of light, and blurred vision in your left eye over the past few days. According to clinical experience, the blurred vision caused by dry eye syndrom...

[Read More] Understanding Blurry Vision: Retinal Issues and Dry Eye Symptoms


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