ISO 21987:2017
Ophthalmic optics — Mounted spectacle lenses
Ophthalmic optics — Mounted spectacle lenses
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 21
- Дата публикации:
- 17 июля 2017 г.
- Издание:
- ISO IS 21987 edition 2 version 1
- ICS:
- 11.040.70
ISO 21987:2017 specifies requirements and test methods for mounted spectacle lenses relative to the prescription order.
Abstract
Overview
ISO 21987:2017 - Ophthalmic optics - Mounted spectacle lenses specifies the requirements and test methods for spectacle lenses after they have been mounted in frames, relative to the prescription order. This second edition (2017) replaces the 2009 edition and defines how mounted single‑vision, multifocal and power‑variation lenses are verified and classified for optical performance and positioning.
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