Is it true ?
1．Wearing the wrong type of glasses will do harm to your eyes .
This is not true for adults , although incorrect glasses may not be good for children under 10 . Ready-made glasses , and not wearing when you should , won’ t do harm to your eyes , but you may see better with glasses that are specially made for you .
2．Watching too much television is bad for you eyes .
This is not true. People with easily affected eyes may find they get red and aching from staring at a fixed distance for long periods , but there won’ t be any lasting effects .
3. Carrots will help you see in the dark. Carrots are rich in beta-carotene, which the body can change into vitamin A, too little of which can cause night blindness. However , people in most countries don’ t need to worry about vitamin A deficiency（缺乏）, night blindness is more likely to be connected with another vision problem .
According to the passage , which of the following is TRUE ?
A．Ready-made glasses will do harm to one’s eyes.
B．Wearing the wrong glasses may do harm to children’s eyes.
C．The human body is unable to change beta-carotene into vitamin A.
D．Watching less television may do harm to children’s eyes.
Night blindness is most likely caused by _____ .

A．staring for long periods

B．too much beta-carotene

C．not enough vitamin A

D．vision problems

According to the article , eye problems can be corrected by _____ .

A．wearing specially-made glasses

B．performing eye exercises

C．cutting back on television

D．eating more carrots

Watching too much television can cause _____ .

A．night blindness

B．lasting eye problems

C．a number of vision problems

D．eye trouble for a limited time

The main purpose of this article is to _____ .

A．tell people of the importance of their eyes

B．tell people how to protect their eyes

C．tell people to have more carrots

D．tell people something more about their eyes