calhoun vision is the world leader in adjustable intraocular lens technology. the company's proprietary technology utilizes light to enable surgeons to change the power of a lens after it has been implanted in the eye. this offers the potential to provide unparalleled visual outcomes and customization to the specific visual needs of each patient. calhoun vision's light adjustable lens technology is an investigational device in the united states and requires fda approval before it can be marketed commercially. the company has completed phases i and ii of the required clinical investigation; the third and final phase of study has commenced, and all subjects have been fully enrolled.