Pachymetry is a measurement of the corneal thickness. This test just takes a few seconds to perform, is painless, and is required before Laser Vision Correction(Lasik or PRK) because these procedures reshape the cornea and it is helpful to know how thick the cornea is before the procedure. Pachymetry is less important prior to cataract surgery(though I still do it) because we perfrom that technique behind the cornea and do not cause any change in shape or thickness of the cornea. Pahymetry is a valuable tool and is nothing to worry about when you are going for your consultation.
Complete Procedure of Pachymetry?
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Pachymetry before Lasik or Cataract Surgery
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