These specialized ocular devices correct astigmatism, a common refractive error where the cornea’s curvature is uneven, resulting in blurred vision at all distances. Fitting them accurately often involves sophisticated tools to determine the precise parameters needed for optimal vision correction. These parameters encompass power, cylinder, and axis measurements to properly align on the eye.
The ability to accurately determine these parameters is crucial for patient comfort, visual acuity, and overall satisfaction. Incorrect measurements can lead to blurry vision, discomfort, and even corneal damage. Historically, fitting these lenses was a more time-consuming and iterative process. The advent of specialized tools streamlines the fitting process, minimizing chair time and improving the likelihood of a successful fit on the first attempt.
