Measurement method and device for facilitating the mounting of c
Measuring device for mounting corrective lenses in spectacles ri
Measuring instrument for establishing the angle of tilt of a...
Method and apparatus for eye glasses position measurement system
Method and apparatus for making a pattern for a lens opening in
Method and apparatus for measuring a frame configuration
Method for making ophthalmic measurements
Method of controlling a feeler to read the bezel of an...
Method of reading off the cross-section of the bezel of an eyegl
Method of reading the outline of the bezel of a rim of an...