A.60.3mm
B.63mm
C.64mm
D.65mm
[单选题]远用光心距为65mm,近读距离为330mm,则近光心距为()。A.60.3mmB.63mmC.64mmD.65mm
[单选题]远用光心距为65mm,近用光心距为60mm,则近读距离最可能的是()。A.25cmB.33cmC.40cmD.50cm
[单选题]远用光心距为65mm,近用光心距为60mm,则近读距离最可能的是()。A.25cmB.33cmC.40cmD.50cm
[单选题]被测双眼的远用光心距为65mm,则在阅读25Cm目标时的近用光心距为()A.56mmB.57mmC.58mmD.59mm
[单选题]被测双眼的远用光心距为65mm,则在阅读25cm目标时的近用光心距为()。A .56mmB .57mmC .58mmD .59mm
[单选题]近工作距离为330mm,远光心距为60mm,则双焦眼镜近视线点内移量为()。A .1.8B .1.9C .2.0D .2.1
[单选题]被测双眼的远用光心距为62mm,则在阅读33cm目标时的近用光心距为()。A .56mmB .57mmC .58mmD .59mm
[单选题]被测双眼的远用光心距为68mm,则在阅读40cm目标时的近用光心距为()。A .63mmB .64mmC .65mmD .66mm
[单选题]被测双眼的远用光心距为62mm,则在阅读33Cm目标时的近用光心距为(保留整数)()A.56mmB.57mmC.58mmD.59mm
[单选题]近工作距离为250mm,远光心距为68mm,则双焦眼镜近视线点内移量为()。A .2.8B .2.9C .3.0D .3.1