optic [ˈɑ:ptɪk]

例句:

• Then the conversation turned to new undersea fiber optic cables.Bingo!
  来自VOA
• Retinal hemorrhage, and blurring of the optic dise cause visual disturbances.
  视网膜出血及神经盘模糊等可导致视力障碍.
  
• The reason for this is that the optic nerve is a part of the brain.
  这其中的原因在于视神经是大脑的一部分。
  
• But with fiber - optic cables, television will become truly interactive.
  但是,有了光纤电缆, 电视就可以真正成为交互式的.
  
• Sunlight can also come in on fibre-optic cables.
  来自THETIMES
• Fiber-optic Internet service is on its way.
  来自WSJ