« Back to Glossary Index

The process of quantifying and setting the laser to the needed energy for correct tissue removal. Some machines carve a PMMA plastic button to be measured by optical apparatuses, and others employ a 1 micron thick foil as a process of calibration.

About Dr. William Columbus

Dr. William F. Columbus, known as Dr. Bill, is the founder and surgical director at Columbus LASIK Vision, with over 40,000 LASIK procedures performed. A graduate of Scranton University and Penn State University Medical Center, he completed his ophthalmology training at Nassau County Medical Center and a fellowship in cornea and refractive surgery at Cornell Medical Center. With centers in Philadelphia, Harrisburg, and Wilkes-Barre, Dr. Columbus offers state-of-the-art LASIK at competitive prices. Trusted by colleagues, patients, and even his own family, Dr. Bill is committed to delivering life-changing vision correction with precision, care, and expertise.

« Back to Glossary Index