It’s estimated that 45 million people in the United States wear contact lenses. These small lenses can make a huge difference in the quality of life for wearers, but it’s important to handle them ...

Monofocal and multifocal lenses are both types of artificial intraocular lens (IOL). A monofocal lens has one focusing distance, whereas a multifocal lens can focus on close and far distances at the ...