Eyes & Vision Care Team

Euna Koo, MD

Dr. Koo is the service chief of Pediatric Ophthalmology. She is board certified in Ophthalmology.

Areas of expertise:Amblyopia, cataracts and strabismus

Shannon Beres, MD

Dr. Beres is board certified in Neurology.

Areas of expertise:Neuro-ophthalmology

Mary Elizabeth Hartnett, MD

Dr. Hartnett is the director of Pediatric Retina. She is board certified in Ophthalmology.

Areas of expertise:Retina

Andrea Kossler, MD

Dr. Kossler is the co-director of the Thyroid Eye Disease Center. She is board certified in Ophthalmology.

Areas of expertise:Thyroid eye disease, mohs reconstruction, ptosis repair, lacrimal and tear duct surgery

Darius Moshfeghi, MD

Dr. Moshfeghi is the director of Pediatric Vitreoretinal Disease at Stanford's Byers Eye Institute. He is board certified in Ophthalmology.

Areas of expertise:Retinopathy of prematurity (ROP), familial exudative vitreoretinopathy (FEVR), juvenile X-linked retinoschisis, persistent fetal vasculature (also known as persistent hyperplastic primary vitreous), non-accidental trauma (also known as shaken baby syndrome), Coats disease, incontinentia pigmenti, Norrie disease, Von Hiippel Lindau Syndrome, retinal detachment and ocular trauma