This International Standard specifies Fundamental requirements for non-invasive, active and non-active ophthalmic instruments. This International Standard is also applicable to low-vision aids and tonometers, but not to other ophthalmic instruments which are used in contact with the globe of the eyes. This International Standard takes precedence over the corresponding requirements of the other general standards cited in clause 2, if differences exist. This International Standard does not apply to operation microscopes, endoscopes and devices intended for laser investigation or laser treatment of the eye.
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