Final answer:
The bottom line for practitioners fitting Ortho-K lenses is to achieve a precise corneal fit, which is essential for the lens to effectively reshape the cornea and correct refractive errors.
Step-by-step explanation:
The bottom line for a practitioner in fitting technique for Ortho-K lenses is to ensure a precise corneal fit. This is essential because the effectiveness of Ortho-K (orthokeratology) in reshaping the cornea relies heavily on the fit of the lens. The ultimate goals are to correct refractive errors such as myopia (nearsightedness) and to provide wearers with good vision without the need for glasses or contact lenses during the day.
Achieving maximum refractive change, prioritizing lens comfort, and minimizing lens decentration are all critical factors that contribute to the success of Ortho-K, but they are secondary to obtaining a precise fit on the cornea. A precise fit not only promotes the desired refractive change but also helps in maintaining good ocular health and comfort, thus preventing complications such as corneal abrasions or edema.