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Please define a bad habit. (1) For example, staying up until midnight without sleep is considered staying up late. (2) For example, spending too much time on electronic devices refers to spending more than two hours a day using computers, cell phones, playing video games, or watching TV. (3) For example, seldom exercise / eat to much junck food/ being lazy/ don't move/ read book without enough light

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1 How long do our eyes need to be rested after using electronic devices?

2 When do we need to go to sleep so our eyes can have enough rest?

3 What can we do to stop the poor vision from getting worse?

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1 Why will we get poor vision

2 What causes poor vision

3 How to prevent from having poor vision?

4 How many times do you need to rest after using 1 hr?

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1 What will it cause when we have poor vision ?

3 Which kind of setting will we get poor vision ?

4 How many times spending on using electronics will let us get poor vision ?

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1 When do we need to go to sleep so our eyes can have enough rest?

Answer : At least six to eight hours of sleep.

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Practical ways to prevent it from happening?

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Practical ways to prevent it from happening?

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The health center can tell the cafeteria to have more fruit that has vitamin C or E, so it can prevent poor vision.

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causes: (bad habits)

1 Spend too much time on electronic devices (refers to spending more than 5 hours a day using computers, cell phones, playing video games, or watching TV)

2 Read books or see electronic devicies without enough light.(The screen of the cell phone,computer, or Ipad is too dark and it is hard to see)

3 The eyes don't have enough rest(When you use electronic devices for 30 minutes, you don't rest for at least 10 minutes)

4 Don't eat vegtable frequently(One week only eat one time, and only eat less than 100g)

5 Barely goes out to see green trees(one week only goes out one time, and less than 30 minutes)

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1 Watching green trees in the distance can't prevent poor vision from happening, it can just slow the speed from getting worse.

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1.How much time spending on electronic divices will cause poor vision?

2.How to prevent poor vision?

3.Does don't see green trees effect the most to poor vision?

4.How much vegtable you need to eat to prevent poor vision

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effects:

1 you need to wear glasses, and it has many inconveniences.

2

3

4

5

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1 Which kind of setting will we get poor vision?

Answer1: In the dark places without enough light or even none.

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1 Does don't see green trees effect the most to poor vision?

Answer1:It can't stop poor vision from getting worse it just lets your eye soothing. simply reduced from getting worst.

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1 How long do our eyes need to be rested after using electronic devices?

Answer:You need to rest at least 15 minutes for using electronic devices each hour.

2 How to prevent from having poor vision?

Answer:You can give your eyes a rest, or don't work for a long time at once.

3 How many vegetables do you need to eat to prevent poor vision?

Answer:You need to eat at least five servings of fruits and vegetables a day, so you won't get poor vision that easy.

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1 What can we do to stop the poor vision from getting worse?

Answer:

1. Eat enough vegtable or fruits(Eat 5 kinds of fruit or vegtable a day.)

2.Have enough rest

3.Have enough sleep(Sleep more than six hours).

4.Protecting your eye from sun light.

5.Don't see electronic deviceis in dark.

2 What will it cause when we have poor vision ?

Answer:

It will affect our ability to work, drive safely, and enjoy hobbies.

3 What causes poor vision?

Answer:

1. Spending more than five hours on electronic devicies.

2. See electronic devicies in dark.

3. Sleep less than six hours.

4. Not protecting your eyes from sun light.

5. Don't have enough rest.

6. Eat less than 5 kinds of fruit or vegtable a day.

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1 Why will we get poor vision?

Answer: We will get poor vision by using to much smartphone, not including eye friendly foods in your diet or you don't get enough sleep.