DEPISTEO VT1 Series User Manual
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Contents
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This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approvalPage 68 / 78V04.07.00March 20185.11. Glare resistance test (Master GT version)Caution: The glare resistance test may hold risks for the patient. Don’t forget to take into accountany medical contraindications (refer § 2.3).5.11.1. PurposeThe glare resistance test is only for information. It is secondary to the sensitivity test presented in § 5.10. Thistest measures the recovery time of the patient’s vision when submitted to a high source of light.5.11.2. PrincipleThis test requires a precise protocol, integrated in this option. After a few seconds of adaptation, the softwarepresents firstly a visual acuity test based on the “Binocular Mesopic Letters”. The patient is blinded for 10seconds. The device then displays a visual acuity test based on the “Binocular Mesopic Numbers”. The aim is tomeasure the recovery time of the patient’s visual acuity.5.11.3. Patient instructionsInstructions are given by the software over the course of the test. Series of screens displayed by the VT1:Patient adaptation in mesopic light over ten seconds. |
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