Those wanting to see more clearly might benefit from a range of eye care  products made by Abbott Medical Optics (AMO). The subsidiary of health care product giant Abbott Laboratories makes eye care products in three key segments: corneal, refractive, and cataract. The company's corneal products include contact lens solutions and eyedrops for consumers. Its refractive and cataract product lines focus on professional devices, equipment, and accessories used in laser vision correction procedures and cataract surgery; AMO is the global leader in LASIK surgical devices. Johnson & Johnson is buying AMO for $4.3 billion.