Doctor insights on:
How Easily Can A Bright Led Flashlight Damage Your Eyes
Not very: Led lights can be dazzling but are not laser. They do not provide a concentrated, focal light but a more diffuse light which the eye can easily handle. It is not comfortable to stare at an led light but not harmful. This of course is not the case with laser light which carries the usual cautions. ...Read more
Strain but no harm: Contrary to popular belief, reading in dim light does not do any long-term damage to the eye itself or weaken the eyesight. For the short-term, however, it can cause some eyestrain, which is just fatigue in the muscles of the eyes. If your eyes feel sore or your vision is less crisp than usual, it is time to close your eyes and rest them (and maybe dream about that great novel you're reading!). ...Read moreSee 1 more doctor answer
Not likely: Lengthy exposure to very bright artificial light may possibly damage the retina, but a brief camera flash is quite unlikely to cause any serious harm. Sunlight, on the other hand, can be very dangerous even with brief exposure due to the high levels of ultraviolet light contained in sunshine. ...Read moreSee 1 more doctor answer
Dear doctors, what will happen to our eyes,when we forcibly stare at a bright source of light? Does it cause any damage to the eye?
Usually nothing: Most light sources (except the sun and lasers) are not sufficiently intense to do any damage. You of course will find staring at bright light to be uncomfortable, but your pupils will get automatically smaller and the retina involuntarily moves in little rapid motions which minimize the intensity for any one point. ...Read more
No: No one ever thought of this when viewing tv in the dark and no damage has been reported for this. Computer video screens will not damage your eyes although the content may damage your mind. ...Read more
Can't tell: That's like asking, "Will a flashlight damage my eyes?" It depends on many factors, such as what one does with the light, how intense is the light, how far away is the light, whether the light is direct or indirect, etc... Neon lights are everywhere, although less common in recent years due to the increasing use of other types of lights, such as LED bulbs. ...Read more
No: They are safe. Lcd and crtnare both fine. ...Read more
Could gazing at home led light or ice cold compress on eyes afterwards lead to retina or cornea damage causing blurred vision of bright objects?
Not usually.: But, of course, it depends on how bright the light and how long you stare. Cool compresses are even less likely to cause these problems. If you are having changes in your vision, please see a board certified ophthalmologist in your area for a quick examination. Eye sight is a precious thing, and should be protected. ...Read moreSee 2 more doctor answers
Postal worker shined the red light laser scanner in my eye from 2 feet away. Looked at it for a few seconds. Any permanent damage to eyes or vision?
See your eye doctor: If the red light was a laser pointer and you stared at it for milliseconds, you might be okay if it was properly labeled in 3-5 mW, it's the nonlabeled ones (green lasers) that are problematic, but this may be a good time for you to visit your eye doctor anyway to have your annual dilated exam done too, and have them check. Read: rhttp://www.scientificamerican.com/article/can-a-pocket-laser-damage ...Read moreSee 2 more doctor answers
How does your eye sustain a picture, after your eyes adjust in a dark room, from a flash from say a camera?
After-image: The retina contains light receptors. A chemical reaction occurs inside these cells when stimulated by light, which in turn creates an electric signal that the brain interprets as light. Once the chemical reaction ends, the cells "re-charge" - slower with intense light. The stark difference between the bright light and dark room keeps the cells stimulated a little longer, creating an after-image. ...Read moreSee 1 more doctor answer
Can color changes in vision mean optic nerve damage ?? Or retina damage ? Can being under too much light cause this I'm really scared
See Opthomologist!: There are too many possibilities to review in 400 words. Yes, optic nerve changes can create color changes.....but.....so can rapid changes of blood sugar (seen in diabetes) or certain forms of thyroid conditions with eyeball involvement. Certain chemicals as well as drugs can result in color vision changes. You should call your Family MD to help you get a visit with an Opthomologist (eye Doctor). ...Read more
Can color contacts cause damage to eyes? I think its fine as long as they're fitted to your eyes by an eye doctor and it's the correct prescription.
Can staring at a computer screen for too long create a lot of stress in your eyes which can lead to pain?
Can looking at a powerful laser from a Facebook video be bad for your eyes? The laser was only seem through the iPhone screen.
IPhones and Eyes: The power of a laser can cause damage if it shines into your eye. A picture of a laser displayed on a cell phone cannot be any brighter or more powerful than the brightest setting on the phone screen. Therefore, just as looking at a bright picture on the phone will not damage your eyes, neither will a picture of a laser. ...Read more
Can coloured leds damage the eye simply because only a tight frequency spectrum of light is shinning on your eye and we evolved with full sun spectra?
Could you tell me if my eyes are light sensitive, will the red laser used during lasik be hard to stare at?
Probably not: The lights from the microscope are sometimes bright so that the surgeon can see what he/she is doing during the procedure. Fortunately, during the part when you have to carefully look at the red fixation target, the other lights are usually turned way down low to make it easier for you to see and fixate on the red target. You should be fine! ...Read moreSee 1 more doctor answer
I put headphones in without realizing the sound was completely turned up all the way. Can loud sounds Cause a brain aneurysm to form? Or damage your heart?
Abnormalities : No, absolutely no damage to the brain or heart can occur. Stop worrying ...Read more
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