Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.

I can see the books on the library shelves with my bifocal glasses. Whats wrong?

April 26, 2017bifocal Books glasses library shelves wrong

0

Posted

I can see the books on the library shelves with my bifocal glasses. Whats wrong?

2 Answers

0

Posted

Bifocal lenses have only 2 focal lengths: infinity (distance) and 17-19″ (near). Objects 26″ away will be blurry. Varilux Physio 360® Progressive addition lenses have several focal lengths, allowing clear vision at all distances.

0

Posted

Bifocal lenses have only 2 focal lengths: infinity (distance) and 17-19″ (near). Objects 26″ away will be blurry. Varilux Progressive addition lenses have several focal lengths, allowing clear vision at all distances.