What question did this study set out to answer?

The study aims to establish new standards for measuring the dimensions of soft contact lenses, which are different from hard lenses.

March 21, 2026

In‐Office Measurements of Soft Contact Lenses

Puntos clave

The study aims to establish new standards for measuring the dimensions of soft contact lenses, which are different from hard lenses.
Reviewed previous measurement methods for soft contact lenses.
Developed two new techniques for measuring lens thickness and diameter.
Assessed the reliability and instrument errors of the new methods.
New techniques demonstrated improved accuracy in measuring soft contact lenses.
Instrument errors were evaluated, showing greater reliability compared to previous methods.

Resumen

ABSTRACT The dimensions of soft contact lenses cannot be measured by methods used for hard lenses, so new techniques have had to be devised. This paper introduces standards and tolerances for the measurement of soft contact lenses. Previous methods of measuring these lenses are reviewed, and 2 new methods are described for measuring thickness and diameter. Instrument errors and the reliability of these methods are assessed.

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