Clinical Purpose Compact A‑scan biometer with optional pachymetry, designed for ocular measurements (e.g., axial length, lens thickness, vitreous depth) used in cataract​/​vision diagnostics . Functional Features Axial length, anterior chamber depth, lens thickness, vitreous length — measured with ±0.1 mm accuracy IOL power calculation, with built‑in formulas: Binkhorst, Holladay, SRK​/​II​/​T, Hoffer Q (optional Haigis) Dense cataract mode with gated measurements Pachymetry, measuring corneal thickness (±5 µm) with 1 µm sensitivity Stylus-enabled touchscreen, manual​/​auto​/​quick modes Data management via USB or LAN, including import of keratometry data from NIDEK ARK Return Policy: Items are sold as-is with no returns or refunds available unless explicitly stated.