| 摘要 |
A bifocal simultaneous vision contact lens includes a central vision element and an outer vision element formed in a single, unitary, monolithic body of contact lens material. The central vision element has a diameter ranging between 0.85 and 1.75 mm, preferably ranging between 1 and 1.5 mm and most preferably ranging between 0.90 and 1.1 mm.
|
