Ophthalmic apparatus for inspecting a refractive power of an eye

Details Ophthalmic apparatus for inspecting a refractive power of an eye Ophthalmic apparatus for inspecting a refractive power of an eye

1996-04-22

1998-03-24

Mai, Huy

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Subjective type

351239, A61B 302

Patent

active

057318638

ABSTRACT:
An ophthalmic apparatus providing a subjective refractive power measuring device for respectively placing optical elements in inspection windows and inspecting refractive powers of eyes to be examined, on a subjective basis, an object indicating device for presenting an object to each eye to be examined, an optometry program designing device for designing an optometry program for activating each of the subjective refractive power measuring device and the object indicating device, and a program executing device for executing the optometry program. The optometry program designing device includes a display device having a screen for inputting the optometry program, an object input device for inputting an object to be presented to a person to be examined, through the input screen, an automatic input device for automatically inputting at least either of an item to be measured by the subjective refractive power measuring device and an auxiliary lens used therefor, based on the input object, and a modifying device for modifying the item set by the automatic input device through the use of the input screen.

REFERENCES:
patent: 5416540 (1995-05-01), Hayashi
patent: 5444504 (1995-08-01), Kobayashi et al.
patent: 5490098 (1996-02-01), Kardon

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