GB/T 13511.4-2025Assembled spectacles - Part 4: Multifocal and progressive power near-vision ready-made spectacles (English PDF)
配装眼镜 第4部分：多焦和渐变焦老视成镜
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Issued by
State Administration for Market Regulation; Standardization Administration of China
Level / Type
National · Recommended
Issue date
February 28, 2025
Implementation date
March 1, 2026
Scope
GB/T 13511.4-2025 is the English-translated version of 配装眼镜 第4部分：多焦和渐变焦老视成镜.
GB/T 13511.4-2025 is the Chinese standard "Assembled spectacles - Part 4: Multifocal and progressive power near-vision ready-made spectacles".
Its scope clause reads: This document specifies the requirements, marking, labeling and packaging of multifocal presbyopic lenses and progressive presbyopic lenses and describes the corresponding tests method.
This document applies to mass-produced multifocal presbyopia lenses and progressive focus presbyopia lenses. Its clauses include terms and definitions.
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Document preview — GB/T 13511.4-2025
National Standard of the People's Republic of China
- ICS
- 11.040.70
- Classification
- Y 89
Issued by: State Administration for Market Regulation; Standardization Administration of China
Contents
- Preface
- Introduction
- 1 Scope
- 2 Normative referenced documents
- 3 Terms and Definitions
- 4 Requirements
- 4.1 General requirements
1 Scope
This document specifies the requirements, marking, labeling and packaging of multifocal presbyopic lenses and progressive presbyopic lenses and describes the corresponding tests method.
This document applies to mass-produced multifocal presbyopia lenses and progressive focus presbyopia lenses.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 10810.1 Spectacle lenses Part 1.Single focus and multifocal
GB/T 10810.2 Spectacle lenses Part 2.Progressive lenses
GB/T 13511.1 Prescription spectacles Part 1.Single-focal and multifocal prescription spectacles
GB/T 13511.2 Pre-fitted spectacles Part 2.Progressive-focal prescription spectacles
GB/T 13511.3 Prescription spectacles Part 3.Single vision presbyopia spectacles
GB/T 14214 General requirements and test methods for spectacle frames
GB/T 26397 Ophthalmic Optics Terminology
GB 45184 Safety technical specification for components of ophthalmic products
GB 45185 Safety technical specification for finished eyeglasses for ophthalmic products
3 Terms and definitions
Terms and definitions defined in GB/T 10810.1, GB/T 13511.3, GB/T 26397, GB 45184 and GB 45185 and the following
Applicable to this document.
3.1 near-vision spectacles
Mass-produced glasses are mainly used for near-sighted use.
Note. They are usually divided into single-focus presbyopia lenses, multifocal presbyopia lenses and progressive focus presbyopia lenses.
3.2 Multifocal near-vision spectacles
A pair of identical multifocal lenses assembled into a pair of presbyopia glasses, in which the near zone refractive power is a positive spherical refractive power.
3.3 Power-variation near-vision spectacles
A pair of identical progressive focus lenses assembled into a pair of presbyopia glasses, in which the change in vertex power is the positive spherical diopter.
3.4 near reference point horizontal distance
The distance between the near reference points of the two lenses of a multifocal presbyopic lens in a direction parallel to the line connecting the geometric centers of the two lens circles.
GB/T 10810.1 | GB/T 10810.2 | GB/T 10810.3 | GB/T 13511.2 | GB/T 13511.1 | GB/T 13511.3 | […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 24 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 10810.1Uncut finished spectacle lenses - Part 1: Single-vision and multifocal
- GB/T 10810.2Uncut finished spectacle lenses - Part 2: Power-variation
- GB/T 13511.1Assembled spectacles - Part 1: Single-vision and multifocal prescription assembled spectacles
- GB/T 13511.2Assembled spectacles - Part 2: Progressive power prescription assembled spectacles
- GB/T 13511.3Assembled spectacles -- Part 3: Single-vision near-vision spectacles
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Related Standards
GB/T 10810.1-2025 — Uncut finished spectacle lenses - Part 1: Single-vision and multifocal
GB/T 10810.2-2025 — Uncut finished spectacle lenses - Part 2: Power-variation
GB/T 13511.1-2025 — Assembled spectacles - Part 1: Single-vision and multifocal prescription assembled spectacles
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GB/T 13511.4-2025
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