Gap Fill - Paragraph One


  • Choose the correct word from the drop-down menus below.
  • Click the button at the bottom to check your answers.
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  • After this paragraph, go to Paragraph 2.
   dose      effects      eyes      eyesight      older      problems      reliable      strongly      them      web  

Paragraph 1

Scientists believe they have found help for people suffering from poor . The solution is shining a special red light in the for three minutes. Doctors say a three-minute daily of the special red light for two weeks could help improve age-related vision . However, they say not any red light will help improve eyesight. The co-author of a study into the of red light and vision in older people explained why. Professor Glen Jeffery said: "I suggest that people do not just go and buy a red light off the . They have to produce the right wavelength and be . We are looking for a commercial partner to do this and to price at under around $20 to $25."

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