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Eyeball observing contact lens provided with illuminating means

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent

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Eyeball observing device having an ultrasonic detector

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent

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Eyeglass prescription method

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Reexamination Certificate

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Eyeglass-frame-mounted eye-movement-monitoring apparatus

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent

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Eyeglass/contact lens power determining system, and its method

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Reexamination Certificate

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Eyeglass/contact lens power determining system, and its method

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Reexamination Certificate

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Eyesight improving device

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Reexamination Certificate

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Eyesight improving device

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Reexamination Certificate

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