Crystalvue Medical Corporation

Kun Cheng Hsieh

Chun Nan Lin

A guiding fixation method applied to an eye examination device includes a first light source and a second light source. The guiding fixation method includes disposing a third light source between the first light source and the second light source, when a distance between the eye examination device and an eye changes, the third light source emitting light to guide the eye to gaze at the third light source, and when the distance between the eye examination device and the eye stops changing, switching to the first light source and/or the second light source to emit light to guide the eye to gaze at the first light source and/or the second light source.

Guiding fixation method applied to eye examination device

An optotype calibration method is disclosed. The optotype calibration method includes steps of: (a) when a first optotype and a second optotype located outside an observable area, moving the observable area from an original position until the first optotype or the second optotype appears in the observable area; (b) adjusting a focus mechanism to make the first optotype and the second optotype close to each other; (c) moving the observable area back to the original position; and (d) repeating the steps (a)˜(c) until the first optotype and the second optotype align with each other.

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Taipei, Taiwan

Kun Cheng Hsieh