Dr. Colby answers the question: 'What Is Monovision And How Does It Work?' Aug. 24, 2009— -- Question: What is monovision, how does it work, and won't it be uncomfortable to wear two different ...

Please provide your email address to receive an email when new articles are posted on . The multifocal spiral lens preserved multifocal behavior at smaller apertures than a conventional trifocal lens.

Not since 1997, with the release of Dante's Peak and Volcano, have viewers been treated to two major films centered on volcanoes in a single year. 2022 saw another duo of such films showcasing the ...

The natural lens inside the eye is positioned behind the color or iris of the eye. The function of this lens is to focus incoming light on the retina, permitting sharp vision for all distances. To see ...