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There's an old saying-Eyes are the windows to the soul（心灵）. Eyes are friends. It is very important to take good care of（照看好）our eyes. When we read or write, we should keep our eyes 30 cm away from the book. When we watch TV, we should keep a bright light in the room, and cannot read in bed or in the sun. When we use computers, we should make the screen（屏幕）lower than our eyes, and do not stare at（盯着）it too long.

To protect（保护）our eyes, we should eat some meat, fish, carrots, eggs and drink some milk. They are good for our eyes. And keep doing eye exercises every day.