A life-long resident of New Jersey, Dr. Sun completed her undergraduate education at Rutgers College where she graduated Summa Cum Laude and as a member of Phi Beta Kappa National Honor Society.  She then received her medical degree from Robert Wood Johnson School of Medicine in Piscataway followed by a residency in ophthalmology at Mount Sinai School of Medicine in New York.  Dr. Sun completed her pediatric ophthalmology fellowship at Storm Eye Institute, Medical School of South Carolina where she trained under Drs. M. Edward Wilson and Richard Saunders.
 
Dr. Sun has co-authored articles in medical journals and has presented her research on complex pediatric cataract surgery at the national meeting of the American Association for Pediatric Ophthalmology and Strabismus (AAPOS), as well as the Association for Research in Vision and Ophthalmology (ARVO). She has also traveled abroad to Mongolia and twice to Guatemala with a surgical team led by Dr. Wilson to perform complex strabismus and cataract surgeries.