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About Us
Steven R. Brusie, M.D. (General, Cataract Surgery)
Gisela Velez, M.D., M.P.H. (Retina, Uveitis)
Lawrence I. Rand, M.D. (Retina)
Paul Tieri, OD
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Surgical Procedures


Ultrasound is used prior to cataract surgery to measure the length of the eye to determine the power of the artificial lens to be implanted. Your eyes will not need to be dilated for this test.

This painless procedure involves:

  • Numbing the eyes with drops;
  • Placing a probe filled with water on the eyes;
  • The ultrasound probe then calculates the power required for the lens implant.

After the test is complete, the surgical coordinator and Dr. Brusie will discuss the upcoming surgery and answer any questions you might have. The visit takes approximately one hour.

Nashoba Valley Medical Office Building  190 Groton Road, Suite 240,  Ayer, MA  01432