 He is also a Fellow of the American Academy of Ophthalmology (FAAO) and a Fellow of the European Board of Ophthalmology (FEBO).Reinstein is an ophthalmologist and research scientist in the field of laser eye surgery, therapeutic refractive surgery (corneal complex refractive surgery) and vision correction.As of January 2020, Expertscape determined Reinstein to be the top-rated expert in Corneal Surgery, Laser in the world, calculated to be in the top 0.017% of 5,768 published authors worldwide on Laser Corneal Surgery.