The text discusses the use of femtosecond laser technology in refractive corneal surgery, highlighting the importance of precise and predictable outcomes. It explains the key parameters that influence the quality of laser dissection, such as pulse energy and repetition rate. The article also clarifies the use of terminology related to laser energy, emphasizing the terms "energy," "fluence," and "energy density" over the term "dose." Additionally, it addresses concerns about the potential negative connotations associated with the term "dose" in the context of laser applications.