Method, device, computer program and system for conversion of a measurement of an ophthalmic lens

Method for conversion of a measurement of a lens comprising the following steps:

• receiving an experimental lens measurement of the lens from a light measurement of the lens in a first measurement condition;
• determining from the experimental lens measurement a digital lens model representing the lens;
• determining, based on the digital lens model, a converted digital lens model representing the lens in a second measurement condition;
• determining, based on the converted digital lens model, a converted digital lens measurement representing a lens measurement of the lens in the second measurement condition;
• characterized in
• determining, based on the digital lens model, a digital lens measurement representing a lens measurement of the lens in the first measurement condition;
• determining a conversion correction for the conversion from the first measurement condition to the second measurement condition based on two of the digital lens measurement, the converted digital lens measurement and the experimental lens measurement;
• determining the measurement result for the lens in the second measurement condition based on the conversion correction and the third one of the digital lens measurement, the converted digital lens measurement and the experimental lens measurement.

Method for conversion of a measurement of a lens comprising the following steps:

• receiving an experimental lens measurement of the lens from a light measurement of the lens;
• determining from the experimental lens measurement a digital lens model representing the lens;
• determining, based on the digital lens model, a converted digital lens measurement representing a converted lens measurement of the lens;
• determining a measurement result for the lens by combining the experimental lens measurement with the converted digital lens measurement (S3)
• characterized in that
• the experimental lens measurement comprises an experimental parameter tuple comprising a first experimental parameter and a second experimental parameter, wherein the converted digital lens measurement comprises a digital parameter being different from the first experimental parameter, wherein the measurement result is based on a measurement parameter tuple comprising the digital parameter and the second experimental parameter.

Device for conversion of a measurement of a lens comprising:

• a receiving means for receiving an experimental lens measurement of the lens from a light measurement of the lens;
• a lens model estimator for determining from the experimental lens measurement a digital lens model representing the lens;
• a measurement simulator determining, based on the digital lens model, a converted digital lens measurement representing a converted lens measurement of the lens;
• a combiner for determining a measurement result for the lens by combining the experimental lens measurement with the converted digital lens measurement;
• wherein
• either the experimental lens measurement represents a light measurement of the lens in a first measurement condition, and the converted digital lens measurement represents a lens measurement of the lens in a second measurement condition,
• or the experimental lens measurement comprises an experimental parameter tuple comprising a first experimental parameter and a second experimental parameter, wherein the converted digital lens measurement comprises a digital parameter being different from the first experimental parameter.