Ophthalmic optics and instruments. Instruments to measure axial distances in the eye1 Scope This International Standard is applicable to instruments and methods used for measuring the axial length of the human eye. It defines minimum requirements for such instruments and systems and defines test methods and procedures to verify that a system or instrument qualifies as an axial length measuring device in accordance with this International Standard.

0 % (m/m) (see Annex)

With obedience and compliance to BS EN 14177

not included in the standard

Within the meaning of this document

Why should you use BS EN 60244-13 - Sound broadcasting guidelines

Motion and performance limiters

BS EN 354 provides you with guidance on requirements

The main technical changes in BS EN 61784-3-1:2010 with respect to EN 61784-3-1:2008 are listed below:

Because welding involves so many different types of specifications and operations

for the equipment itself as well as for its installation

and background information are given in clause 0

New clause 6 added Information supplied by the manufacturer