CSN EN ISO 10942 This document, together with ISO 15004-1 and ISO 15004-2, specifies minimum requirements and test methods for hand-held direct ophthalmoscopes designed for directly observing the eye fundus. This document takes precedence over ISO 15004-1 and ISO 15004-2, if differences exist. Original English text of CSN EN Standard. The price of the Standard included all amendments and correcturs.
