YY/T 0968.2-2014 English PDF

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YY/T 0968.2-2014: Medical optical radiation protective eyewears. Evaluation method. Part 2: Vision and color vision
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YY/T 0968.2-2014	189	Add to Cart	3 days	Medical optical radiation protective eyewears. Evaluation method. Part 2: Vision and color vision	Valid

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Basic data

Standard ID: YY/T 0968.2-2014 (YY/T0968.2-2014)
Description (Translated English): Medical optical radiation protective eyewears. Evaluation method. Part 2: Vision and color vision
Sector / Industry: Medical Device & Pharmaceutical Industry Standard (Recommended)
Classification of Chinese Standard: C40
Classification of International Standard: 11.040.70
Word Count Estimation: 8,814
Date of Issue: 6/17/2014
Date of Implementation: 7/1/2015
Quoted Standard: GB/T 5702; YY/T 0968.1-2014; ISO 10526-1999; CIE 13.3-1995; CIE 15-2004
Regulation (derived from): China Food and Drug Administration in 2014 Bulletin No. 30
Issuing agency(ies): State Food and Drug Administration
Summary: This Standard applies to routine medical wear goggles optical radiation. This Standard specifies the optical radiation for medical evaluation method as prescribed vision goggles and color vision.

YY/T 0968.2-2014: Medical optical radiation protective eyewears. Evaluation method. Part 2: Vision and color vision

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Medical optical radiation protective eyewears.Evaluation method.Part 2. Vision and color vision ICS 11.040.70 C40 People's Republic of China pharmaceutical industry standards Medical optical radiation goggles Evaluation Method Part 2. Vision that vision and color vision Part 2. Visionandcolorvision Issued on. 2014-06-17 2015-07-01 implementation China Food and Drug Administration released

Foreword

YY/T 0968 "Evaluation of medical optical radiation goggles" is divided into two parts. --- Part 1. reduce the degree of optical radiation hazard --- Part 2. Vision that vision and color vision This section YY/T Section 20968 of. This section drafted in accordance with GB/T 1.1-2009 given rules. Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for the identification of these patents. This part is proposed by the China Food and Drug Administration. This part of the National Medical Optics Instrument Standardization Technical Committee (SAC/TC103/SC1) centralized. This section drafted by. State Food and Drug Administration Hangzhou Medical Device Quality Supervision and Inspection Center, Zhejiang Medical Devices Unit Mortem hospital. The main drafters of this section. Wen Yan, JIA Xiao Hang, Wang Jingtao, He Tao, Qi Weiming. Medical optical radiation goggles Evaluation Method Part 2. Vision that vision and color vision

1 Scope

YY/T 0968 provisions of this part of the evaluation method of medical optical radiation goggles as prescribed vision and color vision. This section applies to regular wear protective glasses medical optical radiation.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 5702 light color evaluation method YY/T 0968.1-2014 medical optical radiation goggles evaluation methods - Part 1. reduce the degree of optical radiation hazard ISO 10526.1999CIES005 CIE standard illuminant (Ciestandardiluminantsforcolor- for color measurement imetrysecondedition) CIE13.3-1995 source determination color rendering properties (Methodofmeasuringandspecifyingcolourrendering propertiesoflightsources) CIE15.2004 colorimetric (Colorimetry)

3 Terms and Definitions

YY/T 0968.1-2014 defined and the following terms and definitions apply to this document. 3.1 Dark vision optical efficiency increase rate increasingrateofscotopicluminousefficiency SI The relative amounts of dark visual light transmittance difference between the dark visual light transmittance of the treatment device and the original appliance, and its expression is shown in Equation (1). SI = τV ' τ0 - ÷ × 100% (1) Where. Dark vision τV '--- treatment instrument light transmittance; Dark visual light transmittance τ0 --- original instruments. 3.2 Color colorrenderingproperties Compared with the reference standard light source, light color objects appear characteristics. 3.3 CRI colorrenderingindex Ra Significant measure of light color. To match the color of the object and extent of the reference light source color of the object under test under the light to represent. ......

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