DS DS/EN ISO 15254
DS DSEN SO 15254 2009-JUL-27 Ophthalmc optcs and nstruments - Electro-optcal devces for enhancng low vson
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This International Standard applies to electro-optical devices specified by the manufacturer for use by visually impaired persons, as low-vision aids. It specifies electro-optical and mechanical requirements and test methods. This International Standard does not cover optical devices for enhancing low vision which are specified in ISO 15253.