Keratoconus: Early Signs and How Scleral Lenses Help You See Again corneal cross-linking · corneal topography · keratoconus · scleral lenses · specialty contact lenses · Oct 14, 2026 Keratoconus slowly thins the cornea into a cone shape, causing streaky, ghosted vision that glasses often can't fix. Learn the early signs, why we map every patient's cornea, and why scleral lenses help so many people see clearly again.