This International Standard, together with ISO 15004-1, specifies requirements and test methods for
continuously or digitally indicating ophthalmometers. Certain types of ophthalmometer (designated as code 1
in Table 1) are capable of measuring radii of curvature of contact lenses as described in ISO 18369-3:2006.
4.1. It is assumed that the Iocat corneal front surface and both contact lens surfaces are spherical or toroidak
This international Standard takes priority over ISO 15004-1, if differences exist.