1. Department of Occupational Therapy, Jefferson College of Rehabilitation Sciences, Philadelphia, PA, USA
2. Department of Pediatric Ophthalmology and Ocular Genetics, Wills Eye Hospital, Philadelphia, PA, USA
3. Department of Ophthalmology, Thomas Jefferson University, Philadelphia, PA, USA
4. Fraser Eye Care Center, Fraser, MI, USA
5. Low Vision/Contact Lens Service, Wills Eye Hospital, Philadelphia, PA, USA