Even Charles Darwin was puzzled by the evolution of the vertebrate eye. New research suggests that it traces back to a cyclopean invertebrate with a single eye atop the head.

Higher-order aberrations were corrected by around 75% in eyes with keratoconus fitted with Zenlens Chroma HOA, according to data presented at the Global Specialty Lens Symposium.“Patients with ...

If you’re new to progressive jackpot games, our guide goes all-out on what you need to know about these high-payout slots. We’ll break down what they are, how they work, and the best progressive ...