Doctor insights on:
Can Bright Light Cause Blindness
Vision impairment and blindness are conditions in which a person cannot see well or see at all, even with glasses or contact lenses. If a person's best vision (with correction) out of either eye is only 20/70 - 20/200, he is impaired. If he can see no better than 20/200 or his visual field is no more than 20 degrees (severe "tunnel" vision), ...Read more
NO: No but what is the point? It is said that one should not look at an eclipse of the sun with unprotected eyes ...Read more
If I saw a video online showing a new laser that can blind you will my vision become worse when watching though my phone? It was a very bright light.
Interesting: Interesting question. I don't have a specific answer for you, but people who sneeze in response to bright light typically do so as a reaction to actually seeing the light (i'm one of them!). Thus, not being able to see the light should mean no sneezing. ...Read more
It it dangerous to look in bright light (outside) right after you wake up. Eyes felt blinded for a couple seconds.?
No: This is a normal eye response. Never look up into the sun... ...Read more
Depends: Perceived stimuli vary depending on extent of blindness. Some patients can not even see light while other can see light or moving objects. Legal blindness starts at less than 20/200 in both eyes so some blind patients can see a few letters on the eye chart. ...Read more
I have got macular dystrophy and I am total color blind. My eyes are highly sensative to bright light. What can be one to cure?
Not available yet: You have an inherited degeneration of the macular light receptive cells. Currently no cure is available. Much investigation is underway for these conditions. The best current hope seems to be in the use of stem cells but much work needs to be done. Keep in touch. ...Read more
Yes: Can check dark to light adaptation time to see if still normal. ...Read more
Probably not, but: Avoid staring at bright lights. Not necessary to try and experiment whether it is going to cause any damage. Take care. ...Read more
If someone has bright green eyes, and then they go blind. If their eyes became a dull green, what is the exact cause of that?
Depends: I guess that would depend on why they went blind. Most likely, its not their iris that changed color but the cornea became hazy causing the green to be less bright. ...Read more
What to do if I am going partially blind, this is like the 6th time in a few years, dunno what causes it?
See your eye doctor: Many cause of loss of eyesight and some can be reversed with proper diagnosis and treatment. Don't wait for it to get worse see someone today! ...Read more
Usually chronic ds: Mainly diabetes and macular degeneration is common outside of childhood blindness, corneal opacities, glaucoma, trachoma, and onchocerciasis. There are other causes that are progressive in nature, and in other countries out of the US it can be cataracts that aren't treated. In the US, it's a reversible cause of blindness if it can have it surgically treated. ...Read more
A multitude: Blindness can result from congenital issues, structural, metabolic, or traumatic damage. ...Read more
Contraversial: “the news that a cholesterol-lowering drug could provide protection from the irreversible sight loss caused by glaucoma will be welcomed by those of us at risk of developing the condition in later life. However, further investigation is urgently needed before statins could be used in the future treatment of glaucoma.”. ...Read more
Yes: Lasers are classified depending on the power and usage of the laser. Most lasers, like the ones that scan your groceries, do not have enough power to cause damage to eyes. Other lasers, such as those used in medicine and in the military, can definitely damage tissue including eyes. ...Read more
Possibly: Lowered vision is the rule with microcornea. It might require very high powered glasses. If the rest of the eye is normal than useful vision should be possible but if the eye is internally deformed then vision may be profoundly disturbed. A pediatric ophthalmologist should be consulted in such a case. ...Read more
Unlikely: Ortho k is a sort of a way for optoms to get into the eye power changing game which really is dominated by the more effective lasik. It puts a hard contact lens that is too flat onto the eye, pushing it back to remold it. This is of course a bit uncomfortable. There is a tiny risk of corneal breakdown and/or infection but monitoring is generally good. Lasik is a much better option. ...Read more
Inherited Disease: Retinitis pigmentosa is a group of inherited disorders that cause degeneration of the retina and vision loss. The condition can be inherited in multiple ways and has a variety of symptoms. The most common ones are night blindness and gradual loss of peripheral vision. There is currently no proven treatment, however gene therapy is being explored as a possibility. ...Read more
Too much oxygen: In the old days high doses of pure oxygen were given to prematures to keep them pink. Many ended up blind. Over time it became apparent that it was the fault of the oxygen. The retina is full of tiny blood vessels that go into spasm and may leak blood. Careful monitoring of the retina and treatment has improved outcome. Also, the bright light used for bilirubin can be harmful. ...Read more
Loss of vision reflects the inability to perceive images. Such a phenotype can be due to occlusive or barriers to light (e.g. cataracts) through retinal alterations (e.g. wet macular degeneration) to optic nerve lesions (e.g. from a pituitary adenoma) to central nervous system ...Read more
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