title: The harms tangent screen test.
abstract: The Harms tangent screen is used to measure incomitant ocular deviations in various positions of gaze. The test sim-plifies and improves the examination of complicated patterns of strabismus. Interpretation of the charted measurements provided by the test helps to plan and execute the therapy of paralytic or other incomitant strabismus.(1-3).
authors.forename: Mariette
authors.initials: M
authors.lastname: Tyedmers
authors.forename: Gill
authors.initials: G
authors.lastname: Roper-Hall