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SUNY Downstate Health Sciences University

Department of Ophthalmology

Cornea, External Disease, & Refractive Surgery Service

diagram of eye and cornea

University Ophthalmic Consultants provides subspecialty consultation, treatment and surgery in Cornea, External Disease and Refractive Surgery at both University Hospital of Brooklyn and Long Island College Hospital.

Consultations are offered for patients with conjunctival scarring diseases, including chemical burns and Steven Johnson Syndrome; corneal stromal dystrophies and degenerations; corneal endothelial disorders; herpetic disease (HSV, VZV); corneal ulcers; ocular trauma; and keratoconjunctivitis sicca (KCS) or dry eyes.


Ancillary corneal testing is available either in conjunction with a consult visit or by specific appointment. Test results are interpreted by the service's director.

Tests offered include computerized video pentacam corneal topography; endothelial cell counts; confocal microscopy, corneal pachymetry; pneumotonometry; and anterior segment photography.

Corneal Surgery

Surgical services offered by division specialists include corneal transplantation and keratoprosthesis, plus full range refractive surgery services including RK, PRK, PTK, and LASIK. No-fee consultations are available to patients wishing to learn if they are promising candidates for refractive surgery.

Contact Us

For further information, or to make a referral, schedule an appointment or request ancillary testing, please call:

185 Montague Street 7th Floor (718) 780-1530
University Hospital of Brooklyn (718) 270-1714

Physician Staff

Kichiemon Asoma, MD – Patients seen at Midwood and Brooklyn Heights
Michael Ehrenhaus, MD, Cornea, External Disease and Refractive Surgery – Patients seen at Midwood
Himani Goyal, MD, Cornea, External Disease and Refractive Surgery – Patients seen at Bay Ridge
Stephen Kaufman, MD, PhD, Director Cornea and Refractive Surgery Service – Patients seen in Manhattan