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When suddenly exposed to bright light, your pupils will automatically constrict (actually the constrictor muscles of the iris will contract, causing the iris to expand and narrow the pupil). Also, it is likely your eyelids will squint shut.

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12y ago

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What will happen when you enter a dark room after you've been in a bright room and what causes this?

When you enter a dark room after being in a bright room, your eyes will take some time to adjust to the lower light levels. This is due to the pupil size adjusting to let in more light in the dark room, and the photoreceptor cells in the retina needing time to become more sensitive to low light conditions.


Why are bright colors difficult to see in a room lit by candles?

Your eyes have been desensitized because of the candles, so the bright colors affect you more.


Do dog's eyes need to adjust to light. eg going from dark room to bright room suddenly?

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Why does it take time for your eyes to see properly when you enter into a room from extreme light?

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Why do you eyes have to adjust to the light when you walk into a dark room?

Because the lens has been focused depending on the available light. if you enter a darker room, your eyes have to re-adjust to allow more light through them.


Why do you open your eyes wide when you enter a dark room?

it is to help let as much light into your eyes as possible so you can see the best you can. this is why our pupils enlarge in the dark


Why can you see better after being in a dark room for a few minutes than when you first enter?

cause your eyes have to adjust


Why cant you see any objects in a dark room?

You can't see objects in a dark room because there is not enough light for your eyes to detect the details and colors of the objects. Your eyes need light to reflect off the objects and enter your eyes for you to see them clearly.


What room can you not enter?

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How do you use the word bright in a sentence?

The light was so bright that I had to cover my eyes. As the cold room heaved and shook with the dreariness of the icy land, the frigid, sullen, famished and weary peasants huddled around the bright kerosene lantern. That child seems particularly bright.


What happens to your pupil when you enter a bright room after being in a dark room?

Your pupil expands in the dark in order to obtain more light. Your eyesight is interpreted by the brain with light signals, when it is dark your pupil expands to grab as much light as possible.


Why can you feel something and know when a television or a radio is on in another room even if you can't hear it?

Well for a TV there is light which attracts ur eyes cuz its bright.