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UNE EN ISO 7921:2024
Ophthalmic optics and instruments - Near reading charts (ISO 7921:2024)
Óptica e instrumentos oftálmicos. Tablas optométricas para la evaluación de la agudeza lectora en visión de cerca. (ISO 7921:2024).
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English PDF
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84.12 USD
English Hardcopy
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84.12 USD
Spanish PDF
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84.12 USD
Spanish Hardcopy
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84.12 USD
| Standard number: | UNE EN ISO 7921:2024 |
| Pages: | 17 |
| Released: | 2024-11-13 |
| Status: | Standard |
DESCRIPTION
UNE EN ISO 7921:2024
This document applies to printed, projected, and electronic displays of high-contrast text that are designed for assessment and measurement of near reading acuity under photopic conditions The definitions and requirements of this document apply to the Latin alphabet.