YY/T 0290.5-2023 PDF English
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Ophthalmic optics - Intraocular lenses - Part 5: Biocompatibility
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| YY 0290.5-2008 | English | 495 |
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[YY/T 0290.5-2008] Ophthalmic implants. Intraocular lenses - Part 5: Biocompatibility
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| YY 0290.5-1997 | English | 559 |
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Intraocular lenses. Part 5: Biocompatibility
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YY/T 0290.5-2023: Ophthalmic optics - Intraocular lenses - Part 5: Biocompatibility---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/YYT0290.5-2023
YY
PHARMACEUTICAL INDUSTRY STANDARD
ICS 11.040
CCS C 40
Replacing YY/T 0290.5-2008
Ophthalmic optics -- Intraocular lenses -- Part 5.
(ISO 11979-5.2020, Ophthalmic implants -- Intraocular lenses -- Part 5.
Biocompatibility, MOD)
Issued on. SEPTEMBER 05, 2023
Implemented on. SEPTEMBER 15, 2024
Issued by. National Medical Products Administration
Table of Contents
Foreword... 3
Introduction... 6
1 Scope... 7
2 Normative references... 7
3 Terms and definitions... 8
4 General requirements applying to biocompatibility evaluation of intraocular lenses 8
5 Physicochemical tests... 9
6 Biological tests... 14
Annex A (normative) Exhaustive extraction test... 17
Annex B (normative) Test for leachables... 22
Annex C (informative) Hydrolytic stability... 25
Annex D (normative) Photostability test... 29
Annex E (normative) Nd-YAG laser exposure test... 32
Annex F (normative) Supplemental conditions of test for local effects after implantation
... 34
Annex G (normative) Ocular implantation test... 36
Bibliography... 41
Foreword
This document was drafted in accordance with the rules given in GB/T 1.1-2020
"Directives for standardization - Part 1.Rules for the structure and drafting of
standardizing documents".
This document is Part 5 of YY/T 0290 "Ophthalmic optics -- Intraocular lenses". The
following parts of YY/T 0290 have been published.
- Part 1.Terminology;
- Part 2.Optical properties and test methods;
- Part 3.Mechanical properties and test methods;
- Part 4.Labeling and information;
- Part 5.Biocompatibility;
- Part 6.Shelf life and transportation stability;
- Part 8.Fundamental requirement;
- Part 9.Multifocal intraocular lenses;
- Part 10.Phakic intraocular lenses.
This document replaces YY/T 0290.5-2008 "Ophthalmic implants -- Intraocular lenses
-- Part 5.Biocompatibility". Compared with YY/T 0290.5-2008, in addition to
structural adjustments and editorial changes, the main technical changes are as follows.
- Added Table 1 and Table 2 (see Chapter 4 of this Edition);
- Changed the overview of physical and chemical tests (see 5.1 of this Edition; 5.1
of Edition 2008);
- Added physical/chemical description (see 5.2 of this Edition);
- Changed the limit extraction test (see 5.3, Annex A of this Edition; 5.2, Annex A of
Edition 2008);
- Changed the hydrolysis stability test (see 5.5, Annex C of this Edition; 5.4, Annex
C of Edition 2008);
- Changed the light stability test (see 5.6, Annex D of this Edition; 5.5, Annex D of
Edition 2008);
- Changed the Nd-YAG laser irradiation test (see 5.7, Annex E of this Edition; 5.6,
Annex E of Edition 2008);
- Changed the detection limit of the insoluble inorganic test method (see 5.8 of this
Edition; 5.7 of Edition 2008);
- Changed the overview of biological tests (see 6.1 of this Edition; 6.1 of Edition
2008);
- Added cytotoxicity tests (see 6.2 of this Edition);
- Changed the genotoxicity tests (see 6.4 of this Edition; 6.2 of Edition 2008);
- Added local reaction tests (see 6.5 of this Edition);
- Changed the additional conditions for the local reaction test after implantation (see
Annex F of this Edition; Annex F of Edition 2008);
- Changed the eye implantation test (see Annex G of this Edition; Annex G of Edition
2008).
The modification of this document adopts ISO 11979-5.2020 "Ophthalmic implants --
Intraocular lenses -- Part 5.Biocompatibility".
The technical differences between this document and ISO 11979-5.2020 and their
reasons are as follows.
- ISO 11979-1 was replaced by the normative reference YY/T 0290.1 (see Chapter
3 and Chapter 4) to adapt to China's national conditions and increase operability;
- ISO 11979-2 was replaced by the normative reference YY 0290.2 (see Annex B,
Annex C, Annex D) to adapt to China's national conditions and increase
operability;
- ISO 11979-3 was replaced by the normative reference YY 0290.3 (see Annex D)
to adapt to China's national conditions and increase operability;
- ISO/TR 22979 was deleted as a normative reference;
- YY/T 1815 (see Chapter 4 and 5.1) was added as a normative reference to adapt to
China's national conditions and increase operability;
- GB/T 11417.7 (see Annex A) to adapt to China's national conditions and increase
operability;
- The normative reference document ISO 18369-4 was deleted to adapt to China's
national conditions;
- The normative reference document ISO/TS 21726 was deleted to adapt to China's
national conditions.
The following editorial changes were made to this document.
- To coordinate with the existing standards, the name of the standard was changed to
"Ophthalmic optics -- Intraocular lenses -- Part 5.Biocompatibility".
Attention is drawn to the possibility that some of the elements of this document may be
the subject of patent rights. The issuing authority shall not be held responsible for
identifying any or all such patent rights.
This document was proposed by National Medical Products Administration.
This document shall be under the jurisdiction of Subcommittee on Medical Optics and
Instruments of National Technical Committee on Optics and Photonics of
Standardization Administration of China (SAC/TC 103/SC 1).
The drafting organizations of this document. Zhejiang Provincial Institute of Medical
Device Inspection, Aeonord (Beijing) Medical Technology Co., Ltd., and Alcon (China)
Ophthalmic Products Co., Ltd.
Main drafters of this document. Fang Li, Zhou Qimeng, Xu Chang, Feng Qin, Chen
Xianhua, Xia Zhongcheng, Zhou Sending, Wang Zhao, Yang Zhifang.
Versions of standard substituted by this document are.
- It was first published in 1997 as YY 0290.5-1997.It was first revised in 2008;
- This is the second revision.
1 Scope
This document specifies the specific requirements for the biocompatibility evaluation
of intraocular lenses (Translator NOTE. it is referred as IOLs), including the
biocompatibility evaluation requirements of materials under production process
conditions, the evaluation of physicochemical properties related to biocompatibility,
and the test methods for ocular implantation.
This document applies to intraocular lenses.
2 Normative references
The following referenced documents are indispensable for the application of this
document. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
GB/T 11417.7, Ophthalmic optics -- Contact lenses -- Part 7.Physicochemical
properties test methods
3 Terms and definitions
The terms and definitions defined in YY/T 0290.1 apply to this document.
4 General requirements applying to biocompatibility evaluation of intraocular lenses
The evaluation of the biocompatibility of the test material shall start with an initial
assessment of risk in accordance with GB/T 42062.
5 Physicochemical tests
The manufacturer shall provide a description of each of the components in the
formulation to facilitate the interpretation of physical and chemical test results.
For description of each component the manufacturer shall provide, if available.
6 Biological tests
Testing for cytotoxicity shall be performed in accordance with GB/T 16886.5 by using
an extract or direct contact test.
The test for local effects after implantation shall be conducted as described in GB/T
16886.6 and supplemented as specified in Annex F.
Annex A
(normative)
Exhaustive extraction test
The purpose of this test is to detect, identify and quantify extractable additives and other
extractables from IOLs under exhaustive extraction conditions.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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