Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
OPHTHALMIC DEVICE
Document Type and Number:
Japanese Patent JPH08150118
Kind Code:
A
Abstract:

PURPOSE: To realize space saving by uniting monitors in a body by providing an ophthalmic device with means which display an inspected eye image that has been photographed and measure the inspected eye and obtain time series data and conduct analysis on the basis of a chaos theory and make out in image its outcome and change the display image over to this made-out image.

CONSTITUTION: An eye refractive force change signal obtained by means of an optometer portion 31 and an image signal by means of the TV camera of a photographing portion 32 are respectively digitalized by means of A/D converters 33, 34 and inputted into a control portion 35. The control portion 35 controls the actions of an index presentation portion 30, the optometer portion 31 and the photographing portion 32, and is made up of an operation system 35b to obtain eye refractive force and pupil area measuring data; a measuring data memory system 35c; a chaos analysis system 35d; and an image making-out system 35e. An image changeover/composition circuit 36 conducts by means of an operation portion 37 the changeover of the display image of a TV monitor 25 into an image by means of an image signal from the TV camera and an image by means of an image signal obtained at the image making-out system 35e and the composition of letters.


Inventors:
KATOU KOUKI
KAWAI NORIKAZU
Application Number:
JP1994000323579
Publication Date:
June 11, 1996
Filing Date:
November 30, 1994
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NIDEK KK
International Classes:
A61B3/10; (IPC1-7): A61B3/10



 
Previous Patent: ENDOSCOPE SYSTEM

Next Patent: IMAGE PROCESSOR FOR OPHTHALMOLOGY