Presbyopia is the second most common refractive error we deal with as ophthalmologists, myopia being No. 1. Approximately 128 million people in the United States and 2 billion people globally have presbyopia.
Most individuals manage their presbyopia with optical correction, using spectacles and/or contact lenses. Presbyopia-correcting bifocal, trifocal and progressive add glasses along with monovision and multifocal contact lenses are important products financially in the optical world, and significant investment is directed toward both to catalyze innovation.
Like every other refractive error,