It's scary when you have to look through the bottom part of your bifocals to shoot layups and the top part on jump shots.(“這真讓人害怕，當(dāng)你上籃時(shí)得從遠(yuǎn)近視兩用眼鏡的底部往外看，而跳投時(shí)又得換成從頂部看過去”。)

Nowadays, these glasses are known as bifocals.(如今，這被稱為雙光眼鏡。)

I’m thankful that women my age will need bifocals to see the chin hairs that they missed plucking.(我對(duì)象我這般年紀(jì)的婦女需要雙光眼鏡才能看清下巴上漏拔的毛發(fā)而表示感謝。)

Take care when stepping on and off the escalator; take extra care if you wear bifocals.(在上下扶梯的時(shí)候一定要留神，尤其是當(dāng)你還戴著眼鏡的時(shí)候。)

Occasionally, children who have crossed eyes may need to have bifocals to help control the crossing.(偶爾有內(nèi)斜視的孩子會(huì)需要雙光鏡來控制內(nèi)斜。)

Famous for his electrical experiments, this founding father invented the iron furnace (a. K. A. The franklin stove), the lightning rod, bifocals and a carriage odometer, among other things.(他的電流實(shí)驗(yàn)非常有名，他發(fā)明了鐵熔爐，也叫弗蘭克林熔爐，以及避雷針、雙光眼鏡、車架里程表和其他器件。)

Objective To observe the effects of bifocals on amblyopia in children cataract after implantation of undercorrected IOL (intraocular lens).(目的觀察兒童白內(nèi)障欠矯的人工晶狀體植入術(shù)后給予配戴雙光鏡的弱視治療效果。)