Pachymetry is important in the eye care field as its primary function is to measure the thickness of the Cornea. Pachymetry also detects if the cornea is swollen, it is important for refractive surgeries and Glaucoma care. We use the ultra sound Pachymetry, which is a simple, painless test that requires a small drop of anesthetic to the eyes and the procedure is similar to that of the intraocular pressure test.