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Good-Lite 566100

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Bagolini Red Filter Bar

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Was: $620.95
Your Price: $618.95

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MFR:
566100
Medex SKU:
GL-566100
Packing Info:
1/Each
Usually Ships:
1 - 2 Business Days
Freight Quote Button:
False

Description

Special Order, Bagolini Bar, red filter color with wooden case, Approx. 12 Levels on one bar. Developed by Prof. Bagolini and Dr. Zanasi. Dimensions: 18.3 x 1.3 x 0.2 in (465 x 33 x 5 mm).

  • Bagolini Red Filter Bar consists of bar of optical filters of progressive density and provides a graduated system of dissociation. Useful to reinforce weak fusional status.
  • Suppression is not equally deep in all patients. To make a patient aware of the images perceived by the deviated eye, one must reduce the retinal illuminance in the fixating eye until the patient sees double. This is best done with a series of red filters of increasing density in the form of a ladder. The patient fixates a small light source, and the filters are placed in front of the fixating eye. Some patients see double with a light density filter; others require a heavier-density filter before they recognize their diplopia. The lighter the density of the filter needed to produce diplopia the more superficial is the suppression indicating an increased risk of diplopia. In individuals with normal fusion, placing graduated neutral-density filters in front of either eye will, at a certain density level, prevent fusion and induce two lights either together (orthophoria) or apart from each other (diplopia with heterophoria).
  • If one examines the visual field of a patient with heterophoria by placing a red filter in front of the habitually fixating eye while the patient is looking at a small light source, number of different responses can be elicited.

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