Today when I shined a flashlight into my eyes, I noticed my pupils expand and contract then expand, contract, etc. They kept doing that over and over. Is this normal or do I have some kind of eye condition?
2007-01-01 14:50:19 · 15 answers · asked by Anonymous in Health ➔ Diseases & Conditions ➔ Other - Diseases
When I shined the flashlight in my eyes and kept it there (I never moved the flashlight) my pupils contract/expand/contract/expand.
2007-01-01 15:06:13 · update #1
okay, first off you're silly for shining a flashlight in your eyes.
Yes, your pupils expand and contract depending on how much light there is around you. When there is lots of light, the pupils would be small. When it is dark, the pupils expand.
2007-01-01 14:53:14 · answer #1 · answered by revoltix 7 · 0⤊ 0⤋
Yes, everyone's pupils expand or contract depending on the light. If they didn't, your pupils would be damaged in bright light. Ever notice that when you are in a dark room, it takes a few minutes for you to "see?" When in a dark room, your pupils expand to let "light" in, in order for your eyes to adjust to the dark. If you then left the dark room, your pupils would contract to let in less light. This is why it's such a shock when, for example, you walk out of a movie theater into the sunlight.
Oh, and don't shine a flashlight in your eyes. That's not good for them.
2007-01-01 15:03:34 · answer #2 · answered by 1teacher 3 · 0⤊ 0⤋
did you keep putting the light in your eye and then removing it, putting it in your eye and then removing it? if so, then yes, it's very normal. Pupils adjust to light by expanding and contracting.
If you shined the light into your eye and kept it there and your pupils stayed on the move, then yes, there's something abnormal about that. Also, if you shined the light in your eye and the removed it for good and your pupils continued dialating (expanding) and contracting, then you might have a problem.
2007-01-01 15:01:54 · answer #3 · answered by Anonymous · 0⤊ 0⤋
Well I'm not a big bang denier, but relativity is most certainly not wrong. Even the little GPS device in your car wouldn't work properly if engineers didn't account for the fact that time moved at a different rate to satellites than it does to you in your car. Without relativity, GPS would go out of wack for everyone.
2016-03-29 03:56:16 · answer #4 · answered by Anonymous · 0⤊ 0⤋
ABSOLUTELY normal. The pupils very purpose is to regulate the light shinging onto the retina which is inside the eyeball in the rear. It opens to let in more light and closes to keep excess light OUT.
This is the whole answer in a nutshell.
2007-01-01 14:54:01 · answer #5 · answered by larrydoyle52 4 · 0⤊ 0⤋
You're pupils are fine. Actually, it's the iris (colored part) that has tiny muscles allowing the pupils to adapt to light or darkness. They're designed to function that way. It's part of the Master Plan.
Plural of iris: irides....
2007-01-01 14:55:07 · answer #6 · answered by Irene G 3 · 0⤊ 0⤋
it is totally normal. they contract to protect the eye when in bright light and expand in darkness to allow for better vision.
2007-01-01 14:54:09 · answer #7 · answered by Anonymous · 0⤊ 0⤋
wow either ur young...or dumb.....ur eyes HAVE to expance and contract depending on the light.....if u had an eye condition, you'd be crying right now
2007-01-01 15:23:01 · answer #8 · answered by Anonymous · 0⤊ 0⤋
THey do that to let in or shut out the light. Completely normal.
2007-01-01 14:52:31 · answer #9 · answered by Anonymous · 0⤊ 0⤋
YOU NEED TO SEE A DOCTOR RIGHT AWAY!! THAT IS A VERY BAD CONDITION CAUSED BY BEING EXPOSED TO RADIATION. IF YOU DO NOT SEE A DOCTOR RIGHT AWAY, YOU WILL EVENTUALLY LOSE ALL EYESIGHT. SEE A DOCTOR IMMEDIATLY.....HAHA DUMBASS
2007-01-01 15:06:33 · answer #10 · answered by SUBLIME 1 · 0⤊ 0⤋