Progressive lens seg height chart. Simply preadjust the frame, and then take a monocular distance PD and mono fitting height. 5 Blue ZeroTM 1. Fit with short vertex distance—this maximizes the field of view in progressives. What is Segment Height (SH)? Segment Height, also known as Seg Height or SH, is the vertical measurement in millimeters from the bottom of the lens in your frames, to the beginning of the progressive addition on a progressive lens. . Precise segment and progressive fitting heights, first time, teach patients that you understood their vision needs as well as considered the height in their old glasses, their posture, work, leisure and driving needs. Fitting Charts — Lens ShapersFitting Charts Minimum Fitting Heights: 13mm, 15mm & 18mm | ADD: 0. Using the scale, record the monocular PD and monocular vertical seg heights. Choose sufficient segment heights for all the tasks that the patient needs. The fitting cross location in progressive lenses shall be within ± 1. k5xejr rtt x5qf g0wwnpv 5ua pbasm exom k4fvqc4 yf2f3 vony