This document, together with - and -, specifies minimum requirements and test methods for hand-held, spectacle-type, and head-worn indirect ophthalmoscopes for observing indirect images of the eye fundus.
This document takes precedence over - and -, if differences exist.
This document is not applicable to condensing lenses used for indirect ophthalmoscopy or to accessories.
This document is not applicable to table-mounted instruments such as Gullstrand ophthalmoscopes and their derivatives, nor to ophthalmoscopes primarily intended for image capture and/or processing such as those based on scanning laser techniques.
Status: PublishedPublication date: 2023-01
Edition: 4Number of pages: 5
Technical Committee: ISO/TC 172/SC 7 Ophthalmic optics and instruments
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