It is known that posterior corneal elevation is an early presenting sign of keratoconus, so it is imperative to evaluate posterior corneal curvature in every LASIK candidate. Topography is ...

Many sources consider the genesis of keratoconus to begin in the posterior cornea, where inherent weakness of corneal tectonics in the keratoconic eye, mechanical insult (via eye rubbing ...

Yet, why do such cases persist today? We have learned that keratoconus often (or possibly always) begins with a change in the posterior corneal curvature. Early on, the anterior corneal curvature ...

The test is designed to provide keratoconus patients with an earlier benefit from FDA-approved cross-linking treatment, which can halt disease progression and preserve vision. The AvaGen results ...