GB/T 11417.5-2012 English PDF

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GB/T 11417.5-2012: [Including 2022XG1] Ophthalmic optics -- Contact lenses -- Part 5: Testing methods for optical properties
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 11417.5-2012	399	Add to Cart	3 days	[Including 2022XG1] Ophthalmic optics -- Contact lenses -- Part 5: Testing methods for optical properties	Valid

Similar standards

GB/T 11417.4   GB 11417.2   GB/T 11417.6   GB/T 11417.8   GB/T 11417.1   GB 11417.3   

Basic data

Standard ID: GB/T 11417.5-2012 (GB/T11417.5-2012)
Description (Translated English): [Including 2022XG1] Ophthalmic optics -- Contact lenses -- Part 5: Testing methods for optical properties
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: C40
Classification of International Standard: 11.040.70
Word Count Estimation: 17,159
Quoted Standard: GB/T 5702-2003; GB/T 11417.1-2002; GB/T 11417.4-2002; GB 17341-1998
Adopted Standard: ISO 18369-3-2006, NEQ
Regulation (derived from): National Standards Bulletin No. 41 of 2012
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard applies to finished contact lens.

GB/T 11417.5-2012: [Including 2022XG1] Ophthalmic optics -- Contact lenses -- Part 5: Testing methods for optical properties

---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.
ICS11.040.70 C40 National Standards of People's Republic of China Ophthalmic optics Contact lenses Part 5. Test methods for optical properties Part 5. Testingmethodsforopticalproperties (ISO 18369-3.2006, Ophthalmicoptics-Contactlenses- Part 3. Measurementmethods, NEQ) Issued on. 2013-06-01 2012-12-31 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

"Optics - Contact lenses" and GB/T 28539 "Ophthalmic optics - Contact lenses and contact lens care products preservative uptake and release Guidelines for determination of discharge "and GB/T 28538" Ophthalmic optics - Contact lenses and contact lens care products rabbit eye test compatibility of "common structure Contact lens into the national standards. "Optics - Contact lenses" is divided into nine sections. --- Part 1. Vocabulary, classification and identification of recommended specifications; (GB/T 11417.1) --- Part 2. rigid contact lenses; (GB 11417.2) --- Part 3. soft contact lenses; (GB 11417.3) --- Part 4. Test standard salt solution; (GB/T 11417.4) --- Part 5. Test methods for optical properties; (GB/T 11417.5) --- Part 6. Mechanical test methods; (GB/T 11417.6) --- Part 7. Test methods for physical and chemical properties; (GB/T 11417.7) --- Part 8. determination of validity; (GB/T 11417.8) --- Part 9. ultraviolet and visible radiation aging test (in vitro method); (GB/T 11417.9) This is Part 5. Rules in this section in accordance with GB/T 1.1-2009 given draft. This section uses redrafted law reference ISO 18369-3.2006 "Ophthalmic optics - Contact lenses - Part 3. Methods of measurement" establishment. Please note that some of the content of this document may involve patent issuing authority of this document does not assume responsibility for the identification of these patents. This part is proposed by the State Food and Drug Administration. This part of the National Optics and Photonics Standardization Technical Committee medical optical instruments and 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 The inspection. The main drafters of this section. JIA Xiao Hang, Wen Yan, Qi Weiming, He Tao, Zheng, Zhang Jingdong, just yellow. Ophthalmic optics Contact lenses Part 5. Test methods for optical properties

1 Scope

GB/T 11417.5 specifies the test method of contact lens optical properties. This section applies to the finished contact lens.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article Member. For undated references, the latest version of this (including any amendments) applies to this document. GB/T 5702-2003 light color evaluation method GB/T 11417.1-2002 Ophthalmic optics - Contact lenses - Part 1. Vocabulary, classification and identification specifications recommended GB/T 11417.4-2002 Ophthalmic optics - Contact lenses - Part 4. Test standard saline solution GB 17341-1998 Optics and optical instruments focimeter

3 Terms and Definitions

GB/T 11417.1-2012 defined and the following terms and definitions apply to this document. 3.1 Reproduction condition reproducibilityconditions In different laboratories by different operators using different equipment, the same test sample using the same test methods to obtain mutual independence The test results established conditions. 3.2 Reproducibility limit reproducibilityvalue In the reproduction conditions of the absolute difference between two single test results, expected probability of not greater than the R-value of 95%.

4 Determination of back vertex power

4.1 General After a contact lens vertex in the air can be measured by using focimeter, in a salt solution may be measured using Moire deflection device or Hartmann method (see 4.2.3 and Appendix A). 4.2 focus meter measurement method 4.2.1 Instrument Performance It should be consistent with GB 17341-1998 focimeter measure, but the contact lenses need to be modified as follows probe head. Relative to the frame of the lens, the contact lens vector height bigger, smaller optical zone diameter, measured in seat frame lens focus meter equipped with a contact ......

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