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Inventor: Masaki; Toshifumi
Address: Tochigi, JP
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7553282 |
Non-contact tonometer |
June 30, 2009 |
| A non-contact tonometer changes a reference signal used for determining reliability of a signal indicating deformation of a cornea based on the reflectance of the cornea of an eye to be examined. Thus, the non-contact tonometer can perform stable measurement irrespective of the reflectan |
| 7478909 |
Opthalmologic apparatus |
January 20, 2009 |
| In an ophthalmologic apparatus, the coordinates of three illuminated spots on a cornea-reflected image calculated from a front eye part image picked up by a two-dimension image pickup element and a pupil diameter are calculated, and the position of the centroid of the pupil is calculated |
| 6733129 |
Ophthalmologic apparatus and auto-alignment method |
May 11, 2004 |
| An aligning method for an ophthalmologic apparatus including a measurement optical system for measuring the eyes of an object to be examined and an illumination system for illuminating the eyes with extrinsic eye light is disclosed. When a reflected cornea image can be detected by irradi |
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