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Class Information
Number: 351/218
Name: Optics: eye examining, vision testing and correcting > Eye examining or testing instrument > Objective type > Including lens selectively insertable in optical path > On rotary disc > Hand held type
Description: Subject matter includes test instruments with rotatable multiple lens discs which are portable and held in hand during examination.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7422328 |
Sterile hand held slit lamp cover and method |
Sep. 9, 2008 |
| 7364297 |
Digital documenting ophthalmoscope |
Apr. 29, 2008 |
| 7338166 |
Image-based system to observe and document eye responses having a reflective protractor for measurement of stimulus position |
Mar. 4, 2008 |
| 7338170 |
Lens systems for vitreoretinal surgery |
Mar. 4, 2008 |
| 7290882 |
Hand held device and methods for examining a patient's retina |
Nov. 6, 2007 |
| 7284863 |
Device and method for viewing ocular media |
Oct. 23, 2007 |
| 7255441 |
Pupil measuring device |
Aug. 14, 2007 |
| 7252381 |
Ophthamoscope |
Aug. 7, 2007 |
| 7253974 |
Method for trimming a spectacle lens |
Aug. 7, 2007 |
| 7237896 |
Ophthalmoscope with integral printer |
Jul. 3, 2007 |
| 7216984 |
Optometric apparatus |
May. 15, 2007 |
| 6869182 |
Frame and lens system |
Mar. 22, 2005 |
| 6850631 |
Photographing device, iris input device and iris image input method |
Feb. 1, 2005 |
| 6666555 |
Ophthalmic refractor having retrofittable readout illumination |
Dec. 23, 2003 |
| 6289113 |
Handheld iris imaging apparatus and method |
Sep. 11, 2001 |
| 5892568 |
Portable hand-held pupillometer with dynamic electronic image centering aid and method for use thereof |
Apr. 6, 1999 |
| 5861939 |
Portable fundus viewing system for an undilated eye |
Jan. 19, 1999 |
| 5861938 |
Portable scanning laser ophthalmoscope |
Jan. 19, 1999 |
| 5859687 |
Bar skiascope beam fixable in parallel |
Jan. 12, 1999 |
| 5841510 |
Rotatable diagnostic lens for evaluation of the irido-corneal angle, retina and other portions of the eye |
Nov. 24, 1998 |
| 5838421 |
Binocular direct opthalmoscope |
Nov. 17, 1998 |
| 5793468 |
Automated hand-held keratometer |
Aug. 11, 1998 |
| 5767942 |
Hand-held slit lamp apparatus and associated methods |
Jun. 16, 1998 |
| 5754274 |
Field of vision collimator |
May. 19, 1998 |
| 5673097 |
Portable scanning laser ophthalmoscope |
Sep. 30, 1997 |
| 5650839 |
Retinoscope assembly with scale |
Jul. 22, 1997 |
| 5646709 |
Portable hand-held pupillometer with dynamic electronic image centering aid and method of use thereof |
Jul. 8, 1997 |
| 5638150 |
Hand-held slit lamp apparatus and associated methods |
Jun. 10, 1997 |
| 5629747 |
Hand-held ophthalmological apparatus having a retractable forehead contact member |
May. 13, 1997 |
| 5599276 |
Diopter value viewing means for a video ophthalmoscope |
Feb. 4, 1997 |
| 5585873 |
Automated hand-held keratometer |
Dec. 17, 1996 |
| 5528323 |
Ophthalmic apparatus including hand-held measuring device and wireless data transmission |
Jun. 18, 1996 |
| 5500698 |
Optical instruments such as retinoscopes which may incorporate multiple lens assemblies and methods of calibrating such instruments |
Mar. 19, 1996 |
| 5459535 |
Compact telescoping retinoscope |
Oct. 17, 1995 |
| 5202710 |
Fixation card attachment for retinoscope |
Apr. 13, 1993 |
| 5052795 |
Measuring ophthalmoscope and ophthalmoscopic procedure |
Oct. 1, 1991 |
| 4998818 |
Ophthalmoscope with linear polarizer |
Mar. 12, 1991 |
| 4856892 |
Ophthalmoscope |
Aug. 15, 1989 |
| 4643546 |
Ophthalmoscope with automatic lens shifting mechanism |
Feb. 17, 1987 |
| 4577943 |
Method and apparatus for self-examination of the ocular globe |
Mar. 25, 1986 |
| 4538889 |
Manual ophthalmoscope |
Sep. 3, 1985 |
| 4514062 |
Instrument for indirect ophthalmoscopy and electrical energy producing means therefor |
Apr. 30, 1985 |
| 4272165 |
Optical system for illuminating the ground of the eye |
Jun. 9, 1981 |
| 4166677 |
Illumination system for indirect ophthalmoscope |
Sep. 4, 1979 |
| 3936161 |
Ophthalmoscope illumination arrangement |
Feb. 3, 1976 |
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