title: A further, very delicate test for astigmatic axis, using the cross cylinder with an astigmatic dial and without use of letter charts.
authors.forename: W H
authors.initials: WH
authors.lastname: CRISP
authors.forename: G H
authors.initials: GH
authors.lastname: STINE
mesh_terms: D006801:Humans; D014787:Vision Tests
keywords: VISION/tests