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Ophthalmic Technician

Category - Ocular Motility and Visual Fields

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What is the background illumination of Goldmann perimetry set at?

31.5 apostilbs
41.5 apostilbs
35.1 apostilbs
51.5 apostilbs

Explanation

Answer: A - The background illumination of Goldmann perimetry is set at 31.5 apostilbs. The visibility of stimulus is dependent on the background illumination. A brighter background would show a stimulus less effectively.

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