At the Forefront of Ophthalmology. Associates in Ophthalmology (AIO) is an eye surgical practice that has provided quality eye care for more than a century in southwestern Pennsylvania. AIO offers patients excellent eye care services, using state-of-the-art technology. The Pittsburgh area eye surgeons (eye doctors) are board-certified and fellowship-trained in their respective areas of expertise. Our surgeons specialize in the diagnosis and treatment of cataracts, diseases of the cornea, retina (including diabetic retinopathy, diabetic eye care, macular degeneration, retinal detachments,flashes and floaters), glaucoma and vision correction surgery. Patients receive friendly and professional eye care treatment at all seven convenient locations: West Mifflin, Monroeville, Uniontown,Greensburg, Butler, Meadville, and Wheeling, WV.