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Bagolini striated glasses are glasses of no dioptric power that have many narrow striations running parallel in one meridian. These glasses cause the fixation light to appear as an elongated streak perpendicular to the striations. The lenses are usually placed at 135 degrees in front of the one eye and at 45 degrees in front of the other. Each eye receives a similar, fusible image, with the exception of the line, allowing simultaneous perception to be observed. With both eyes, the patient should see a cross. This test is minimally dissociative for the assessment of retinal correspondence.
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