"We are probably nearing the limit of all we can know about astronomy."
Simon Newcomb, astronomer ; 1888
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| Application No. | Application Title | Issue Date |
| 20110242489 | Apparatus 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 |
| 20080094575 | Apparatus 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 |
| 20070064197 | Apparatus 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 |