| bifocals | (n) แว่นสองเลนส์ |
| Bifocals | แว่นสองชั้น [การแพทย์] |
| bifocals |
| bifocals |
| bifocals | (n) eyeglasses having two focal lengths, one for near vision and the other for far vision |
| Bifocals | n. pl. [ Pref. bi-+ focal. ] eyeglasses whose lenses have two foci, allowing the wearer to see both far and nearby objects clearly. The lenses are partitioned horizontally, the upper and lower parts having different focal lengths. [ PJC ] |