title: A method to analyze cylinder axis error.
authors.affiliation: Humphrey Systems, Dublin, California, USA. ccampbell@sola.com
authors.forename: C
authors.initials: C
authors.lastname: Campbell
mesh_terms: D005139:Eyeglasses; D006801:Humans; D055095:Optics and Photonics; D009907:Optometry / Q000379:methods*