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. Author manuscript; available in PMC: 2021 Sep 1.
Published in final edited form as: Optom Vis Sci. 2020 Sep;97(9):826–830. doi: 10.1097/OPX.0000000000001563

Figure 1.

Figure 1.

Clinical timeline: a 40-year-old male with keratoconus reporting smearing, shadowing and halos and glare at night despite having 20/20 vision in both eyes. Wavefront error was measured and wavefront-guided scleral lenses were fit, which reduced residual higher order aberrations, smearing and shadowing to a level that met his visual goals. OD = right eye; OS = left eye; OU = both eyes; VA = visual acuity; HORMS = higher-order root mean square; WFE = wavefront error; COAS = Complete Ophthalmic Analysis System.