bifocal nghĩa là gì

Ví dụ về bifocal

• An interesting issue is the extent to which bifocal and varifocal spectacles might be a contributory factor in falls on stairs.

• If falls begin shortly after the issue of bifocal spectacles, they should be abandoned and optimal correction ensured for everyday living.

• The musical text is similarly bifocal.

• You can go and buy bifocal spectacles in the private sector for well over £100.

• If, as a consequence of not being able to get bifocal glasses there is a deterioration, then obviously bifocals ought not to have been recommended, but two pairs of glasses.

• We have bifocal vision, we have carnivore-type teeth, and we have never developed the multiple stomachs that would enable us to live off grass and to chew the cud.

• In a creative sense, the bifocal reward is that you are bound by neither.

• The large eyes at the front of the head provide it with the bifocal vision and depth perception it needs to catch prey.