Adaption of lensmeter optics for minimizing contact lens spheric
Apparatus and method for determining the refractive characterist
Apparatus and method for measuring the vertex power of an optica
Apparatus for measuring a refracting power of an optical system
Apparatus for measuring frontal power of contact lenses
Apparatus for measuring optical characteristic of spectacles
Apparatus for measuring the refractive power of an optical syste
Apparatus for testing the refractive power(s) of lenses
Autolensmeter
Automatic digital indicating lens meter
Automatic lens meter
Automatic lens meter
Automatic lens meter
Automatic lens meter
Back vertex annular aperture
Characterization of lenses
Characterization of lenses
Copy feature for recordable DVD editing
Digital focimeter and method
Focal length measuring device