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"Dr. YAP"
Eye Hospital

Diagnostic Support Services / Refractometry - Keratometry

Refractometry

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Refractometry - Keratometry

Auto Refracto Keratometer (ARK) is an electronic tool that processes inspection result data digitally using a computer. This tool has two inspection functions as the name suggests, namely refracto and keratometer. A refractometer is an objective method for measuring refractive errors (eye disorders that require the use of glasses). In other words, it does not fully rely on the patient in the calculation process. The information obtained from the examination using a refractometer is in the form of the power of the lens to correct the patient's refractive error. The strength of this lens can be a minus lens, a plus lens, or a cylindrical lens along with a description of the lens axis.

The keratometer is an eye examination tool that is useful for knowing the patient's corneal curvature in detail because it includes the refractive power and the axis of the corneal curvature in a certain area. This information is very important and necessary in fitting semi-hard or hard contact lenses, examining and evaluating patients before and after refractive surgery, diagnosing and evaluating patients with corneal curvature disorders, and much more.


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