Effects of Prismatic Spectacle Lenses on Symptoms of Dizziness, Headache and Anxiety as Caused by Vertical Heterophoria

NATerminatedINTERVENTIONAL
Enrollment

13

Participants

Timeline

Start Date

November 30, 2008

Primary Completion Date

November 30, 2015

Study Completion Date

November 30, 2015

Conditions
Binocular DysfunctionVertical HeterophoriaVision, BinocularVision Disparity
Interventions
DEVICE

Lenses containing prismatic correction

The patient will receive lenses containing prismatic correction for heterophoria, as well as correction for hyperopia, myopia and astigmatism as indicated during initial examination.

DEVICE

Lenses not containing prismatic correction

The patient will receive lenses containing correction for hyperopia, myopia and astigmatism as indicated during initial examination. The patient will not receive prismatic correction in these lenses.

Trial Locations (1)

48009

Vision Specialists of Birmingham, Birmingham

Sponsors

Collaborators (1)

All Listed Sponsors
collaborator

Essilor International

INDUSTRY

lead

Vision Specialists of Birmingham

OTHER