How to Use "bifocals" with Example Sentences

1. She had plastic bifocals hanging on a chain over her heavy chest .
2. Nowadays , this type of glasses is known as bifocals .
3. Nowadays , these glasses are known as bifocals .
4. Once the trufocal lenses are adjusted , the entire field of vision is in focus , unlike bifocals and progressive lenses , which keep only a limited area in sharp focus .
5. It is a condition that causes vision to progressively blur with age , causing eye fatigue , poor night vision and reliance on bifocals & reading glasses .