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Class 351/229 - With plural lens carrier


Subclass of Class 351 - Optics: eye examining, vision testing and correcting
Definition: Subject matter including frame structure for selectively
No. of applications: 3
Last issue date: 10/06/2011


Application No.Application TitleIssue Date
20110242489Apparatus for Determining Prescription for Reading Lenses for Eyes with Mild AMD
An apparatus is provided for finding and defining a prescription for reading glasses for an AMD patient whose Macula and Fovea are damaged enough that the patient has double vision, i.e. the patient sees two images of every object within the field of view of the Macula ...
10/06/2011
20080094575Apparatus and Methods for Demonstrating the Effects of Anti-Reflective Lens Coatings
Apparatus and methods for demonstrating to a patient the effects of anti-reflective (AR) coatings on the patient's eyeglass lens prescription. The apparatus comprises a refractor, or a retrofit kit for a refractor, wherein at least the strong and weak sphere lenses are ...
04/24/2008
20070064197Apparatus and method for testing visual acuity and fixation control
A method and apparatus for conducting a visual acuity test are provided. The method includes displaying a visual acuity test on a display device (20) that is initiated by a controller (16) such as a handheld keypad controller (16), which is operativ...
03/22/2007
 
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