This chapter will cover the process of choosing an initial lens for evaluation
when fitting a scleral lens. Topics that will be discussed include what pre-selection
factors are helpful with lens selection, what essential design and diameter to select,
which lens within a given fitting set to select, as well as alternative methods of lens
selection utilizing technology such as OCT and topography.
Keywords: Benefits, Corneal Graft, Diagnostic lens, Diameter, Fit, Initial lens,
Lens bearing, Limitations, Oblate, OCT, Post-surgical, Prolate, Refractive
Surgery, Sagittal Depth, Sagittal Height, Scleral shape, Software-Guided,
Topography, Vault.