A very slim film of water and other chemicals riding on topmost of the epithelium that lubricates the front of the eye.
Tear film
About the Author: Dr. Columbus
Dr. Bill, as he is affectionately known, is the founder and surgical director at Columbus LASIK Vision. He received his Bachelor’s Degree at Scranton University and his medical degree at Penn State University Medical Center where he also performed his internal medicine internship. He then spent three years at Nassau County Medical Center training in Ophthalmology. Shortly after finishing at Nassau county, he began his cornea and refractive fellowship at the prestigious Cornell Medical Center in Manhattan. Dr. Columbus has demonstrated his commitment to excellence with over 25,000 corrective eye procedures.