4. Optics: measuring and testing
  5. Refraction testing

Takefumi Hayashi

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Apparatus and method for observing an eye, as well as...

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

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Ocular refractive-power measuring device

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

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Ophthalmologic apparatus

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

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Ophthalmologic apparatus and ophthalmologic chart

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Subjective type
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Ophthalmologic apparatus and ophthalmologic chart

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

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Profile ID: LFUS-PAI-P-1861112

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