David G. Hunter, MD, PhD is Ophthalmologist-in-Chief and the Richard M. Robb Chair of Ophthalmology at Children's Hospital Boston. He is also the Vice Chair and Associate Professor of the Harvard Medical School Department of Ophthalmology. Dr. Hunter obtained a bachelor of science in electrical engineering from Rice University and a PhD (in Cell Biology) and MD from Baylor College of Medicine. After he completed an ophthalmology residency at Harvard's Massachusetts Eye and Ear Infirmary, he received fellowship training in pediatric ophthalmology with Drs. David Guyton and Michael Repka at the Wilmer Ophthalmological Institute, Johns Hopkins University. Dr. Hunter lectures on optics and refraction for ophthalmologists-in-training around the world. He is Editor-in-Chief of the Journal of the American Association of Pediatric Ophthalmology and Strabismus (2006-2012) and Vice President of the Association for Research in Vision and Ophthalmology (2010). His clinical and research interests focus on strabismus and amblyopia.

Constance E. West, MD graduated from the Massachusetts Institute of Technology with a degree in chemical engineering. Dr. West then received her MD from the University of Massachusetts Medical School. She completed a residency in ophthalmology at Washington University and a fellowship in pediatric ophthalmology at the Wilmer Ophthalmological Institute. She is Associate Professor of Ophthalmology at the University of Cincinnati and Director of the Division of Ophthalmology and the Abrahamson Pediatric Eye Institute at the Cincinnati Children's Hospital Medical Center in Cincinnati, Ohio. Her clinical practice is devoted to pediatric ophthalmology and adult strabismus.

DedicationFigure ListTable List Acknowledgments About the AuthorsIntroduction to the First EditionIntroduction to the Second Edition Section 1. Basic Principles Section 2. Vergence, Lenses, Objects, and Images Section 3. The Model Eye Section 4. Visual Acuity Testing Section 5. Refraction and Optical Dispensing Section 6. Lens Effectivity and Vertex Distance Section 7. Accommodation, Presbyopia, and Bifocals Section 8. Astigmatism Section 9. Aberrations, Distortions, and Irregularities Section 10. Contact Lenses Section 11. Intraocular Lenses Section 12. Refractive Surgery Section 13. Magnification and Telescopes Section 14. Low Vision Section 15. Mirrors Section 16. Prisms and Diplopia Section 17. Instruments Section 18. Good People, Bad Optics: The Dissatisfied Patient Section 19. Important Formulas Index