BusinessAugust 15, 2026

orthokeratology

OR-tho-kerr-uh-TOL-uh-jee

Definition

A non-surgical eye treatment that involves the use of specialized, rigid gas-permeable contact lenses worn overnight to temporarily reshape the cornea to correct refractive errors like myopia.

Etymology

Derived from the Greek words 'orthos' (correct or straight), 'keras' (horn or cornea), and 'logos' (study of). It entered medical terminology to describe the method of correcting vision by reshaping the corneal surface.

In the news

The article mentions orthokeratology as a niche specialty service that helps optometrists provide high-value medical care, insulating their practices from the price-based competition of online contact lens retailers.

How to Navigate the Ever-Changing Economics of Contact Lens Practice

Read the full article ↗

Review of Optometry

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