Although, the FDA approves a certain range for correction, it does not mean that the laser cannot be used for enhancements in certain individuals. Again, the surgeon makes the ultimate decision. This is the latest in laser correction surgery. Subtle eye movements are normal during surgery. The tracking device detects these movements and adjusts the laser beam to account for the shifts resulting in a relaxed procedure.
Some lasers use a broad beam that ensures that the corrective zone is even and smooth.
Other lasers use a narrow beam stressing the increased accuracy of the laser. Although, the medical community is not observing outcomes that are better comparing one system to another, there may be specific patients where one system may be preferable to another. This stands for Food and Drug Administration. The F.D.A is a federal organization that researches the safety of food and drugs that enter the consumer market. It organizes comprehensive studies that analyze the drugs, and food statistically before allowing them to be marketed for the public.