What is the recommended approach to fitting spectacle lenses?

The recommended approach to fitting spectacle lenses emphasizes the importance of the Minimum Reading Distance (MRP), which is crucial for ensuring that the lenses provide optimal visual acuity at the distances where the patient most frequently views objects. When MRPs are accurately determined and specified, they enable better alignment of the optical center of the lenses with the wearer’s line of sight. This not only enhances comfort during use but also minimizes distortions that can occur when viewing through lenses that are not properly aligned with the eyes.

In contrast to other approaches, relying solely on a standard lens size does not take into account the unique facial measurements of the patient, which can lead to poor lens positioning. While choosing based on patient preference is important for comfort and aesthetic appeal, it should not override the necessity for precise measurements to achieve the best optical performance. Conversely, using pre-determined measurements without customizing to the individual’s specific needs can result in suboptimal outcomes, as each patient's visual and physiological characteristics can vary significantly. Thus, focusing on ordering an MRP is the most reliable method to achieve a proper fit for spectacle lenses.