Since the cornea is cone-shaped in keratoconus, some traditional RGP lenses are unstable on the eye. Think of the apex of the cone as the center of a teeter-totter.

An astigmatism is a common refractive error of the eye, where one or sometimes more of the eye's surfaces aren't perfectly ...

A landmark cone-shaped monument where glassware was made over 140 years is to be restored. Red House Glass Cone, which was completed in 1794 at Wordsley in the West Midlands, will be repointed ...

If you’ve ever gone to the optometrist and been told that your eyes aren’t perfectly round, you’re not alone. According to a report published in Science Direct, approximately 40% of people worldwide ...

In the late 1920s, Peruvian archeologist Julio Tello found hundreds of cone-shaped skulls in the Paracas region of Peru. Their unique shape has prompted speculation over time, including various ...