1
Yoshimi Kohayakawa: Eye examining apparatus. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, January 9, 1996: US05483305 (17 worldwide citation)

An eye examining apparatus has a plurality of visual target projecting systems provided for left and right eyes. A visual target for an eye to be examined is adapted to be projected onto the eye to be examined by one of the plurality of visual target projecting systems, the visual target unit for th ...


2
Yoshimi Kohayakawa: Eye examining apparatus. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, October 30, 2001: US06309068 (15 worldwide citation)

This specification discloses an eye examining apparatus having a projection optical system for projecting a light beam onto an eye to be examined, an eye examining optical system for receiving the light of the projection optical system reflected by the eye to be examined and examining the eye to be ...


3
Masao Nohda: Eye examining apparatus. Nippon Kogaku, Shapiro and Shapiro, February 14, 1984: US04431278 (15 worldwide citation)

Improvements in an eye examining apparatus of the type having eye fixation mark means, eye refractive power measuring means and control means for moving an image of the fixation mark depending upon the output signal from said measuring means are disclosed. Said control means comprises means for dete ...


4
Yoshimi Kohayakawa: Eye examining apparatus scanning the eye with a light beam. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, May 26, 1998: US05757463 (14 worldwide citation)

An eye examining apparatus has a light source generating a beam of light to be applied to an eye to be examined, and a photoelectric sensor for receiving the light from the eye to be examined. The examination of the eye to be examined is executed by the light reception of the photoelectric sensor. T ...


5
Kazuo Morohashi, Nobuyuki Miyake, Tsunemi Gonda: Self-conscious type eye examining apparatus. Nikon Corporation, Shapiro and Shapiro, January 17, 1989: US04798457 (11 worldwide citation)

A self-conscious type eye examining apparatus is provided with a Stokes' cross cylinder in a view field window, a spherical lens group having a plurality of spherical lenses selectively disposed in the optical path of the cross cylinder, a first electric rotating device coupled to the cross cylinder ...


6
Kenji Yamada: Apparatus for eye examination. Nippon Kogaku, Shapiro and Shapiro, July 14, 1987: US04679921 (11 worldwide citation)

An eye-examining apparatus comprises a first positive lens unit, a negative lens unit, a second positive lens unit, a third positive lens unit and a target mark arranged in the named order from the side of the examined eye. The third positive lens unit is mounted movably along the optical axis. Betw ...


7
Nobuyuki Miyake: Hand-held type eye examining apparatus, auxiliary apparatus on which the hand-held type eye examining apparatus is mounted, and opthalmologic apparatus having the hand-held type eye examining apparatus and the auxiliary apparatus. Nikon Corporation, Shapiro and Shapiro, June 30, 1998: US05772298 (10 worldwide citation)

An ophthalmologic apparatus comprises an eye examining apparatus of the hand-held type, an auxiliary apparatus on which the eye examining apparatus is removably mounted, a discrimination circuit for discriminating whether the eye examining apparatus and the auxiliary apparatus are connected together ...


8
Suzuki Nobuo: Eye examining apparatus. Nidek, April 3, 1996: GB2293659-A (9 worldwide citation)

In an ophthalmic examination system a measuring device is aligned with the eye to be tested in a two stage process comprising manual and automatic alignment steps. In a first step the measuring device is moved using a first moving means controlled by the operator eg using a joystick until a pattern ...


9
Yoshimi Kohayakawa: Eye examining apparatus including an eye refraction measuring system and eye fundus examining system. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, May 30, 1995: US05420650 (8 worldwide citation)

The present invention relates to an eye examining apparatus used in ophthalmic clinics. In an eye refractometer provided with a light beam separating member for separating an eye fundus illuminating light beam and an imaging light beam through an objective lens in a position conjugate with the pupil ...


10
Yoshimi Kohayakawa: Eye examining apparatus having a driver for driving an eye examining system. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, May 11, 1999: US05903336 (5 worldwide citation)

An eye examining apparatus includes an eye examining system provided with an image pickup device for picking up the image of an eye to be examined and for examining the eye to be examined, a driver for driving the eye examining system, an input device for permitting an operator to effect an input op ...