Distometer

Dynamic Labs Verified independent store

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A change in vertex distance of eyeglasses compared to that of the trial lenses results in a change in the effective power of the eyeglasses. This becomes especially important when the eyeglass prescription is greater than a plus/minus four or five diopter correction. Measures distance from the patient’s cornea to the lens of glasses or trial lenses in a trial frame Circular conversion calculator is included Durable metal construction Comes in a case Show more