Method and apparatus for determining the optical properties of a
Method and apparatus for locally measuring refractive...
Method and apparatus for measuring soft contact lenses
Method and apparatus for testing the power of a lens
Method and apparatus or in vitro evalution of focal length and f
Method and device for measuring diopters of astigmatic lenses
Method and device for use in detecting a precise focusing point
Method for determining lithographic focus and exposure
Method of and apparatus for measuring the refractive power of a
Method of measuring optical properties of a transparency
Method of measuring the power of a lens
Model EO 1000 multispectral computerized lens evaluation station