RxSight (formerly known as Calhoun Vision) is an ophthalmic medical technology company that develops adjustable intraocular lenses (IOL) that are customized after cataract surgery. It uses a proprietary light treatment that produces precise modifications in lens curvature. The Light Adjustable Lens (RxLAL) enables doctors and patients to optimize vision after cataract surgery through an office-based IOL enhancement.