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GB/T 13511.4-2025 Active
GB/T 13511.4-2025 Assembled spectacles—Part 4:Multifocal and power-variation near-vision spectacles
Abstract
This document specifies the requirements, markings, labels, and packaging for multifocal progressive lenses and progressive lenses for presbyopia, and describes the corresponding testing methods.
This document is applicable to mass-produced multifocal progressive lenses and progressive lenses for presbyopia.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 13511.4-2025 |
| CCS | Other daily necessities |
| ICS | Ophthalmic equipment |
| Implement Date | 2026-03-01 |
Price
$ 54
Subtotal
$ 54
Tax
$ 0.00
Order Total (incl. tax)
$ 54