bifocal

adj.

（指眼镜片）双焦的，双光的，有二重观点的；

n.

双重焦点透镜，双光眼镜；

复数：bifocals

1. Some manufacturers are also developing bifocal IOLS, which may eliminate the need in some patients for prescription glasses after surgery.
   有的制造商在研究双焦点的人工晶体，这可能会让一些手术后需要用处方眼镜的患者不再需要眼镜。

Bifocal distraction osteogenesis for mandibular defect healing: case reports
Bifocal fractures of the tibia and fibula. Incidence, classification and treatment
DOUBLE BIFOCAL INTRAOCULAR LENS-SPECTACLE TELESCOPIC DEVICE FOR LOW VISION USE
Multifocal, especially bifocal, intraocular, artificial ophthalmic lens
Prospective study of the Acri.LISA bifocal intraocular lens.
Visual acuity comparison of 2 models of bifocal aspheric intraocular lenses
Visual function after implantation of an aspheric bifocal intraocular lens
Bifocal compression-distraction in the acute treatment of grade III open tibia fractures with bone and soft-tissue loss: a report of...
A randomized trial of the effect of single-vision vs. bifocal lenses on myopia progression in children with esophoria
Nervous propagation along ‘central’ motor pathways in intact man: Characteristics of motor responses to ‘bifocal’ and ‘unifocal...