Dr. Marnie O'Brien, certified by the American Board of Ophthalmology, completed her residency training in ophthalmology at the Philadelphia College of Osteopathic Medicine in Philadelphia after attending Philadelphia College of Osteopathic Medicine.Dr. O'Brien is a talented cataract surgeon, utilizing state of the art multifocal lenses for cataract patients seeking the youthful ability to see near and far without glasses. She was the first surgeon in the Lehigh Valley to become trained in and perform bladeless laser assisted cataract surgery for the correction of astigmatism.In addition to cataract surgery, Dr. O'Brien performs refractive surgery to treat nearsightedness, farsightedness, and astigmatism. She received her certification to perform LASIK/PRK surgery in 1999, and offers Bladeless LASIK for patients who seek independence from glasses.Dr. O'Brien, was born and raised in the Lehigh Valley. She has been practicing ophthalmology in the area since 1998. Dr. O'Brien is dedicated to optimizing her patients' visual system to allow them to see the world clearly.