
New ESCRS 2026 data show corneal measurements shift meaningfully across the day, with early-morning readings potentially biased by overnight eyelid closure.

David P. Piñero, PhD, is with the Group of Optics and Visual Perception in the Department of Optics, Pharmacology and Anatomy at the University of Alicante, and is affiliated with the Department of Ophthalmology at Vithas Medimar International Hospital, both in Alicante, Spain. He is also the founder and a shareholder of Visitrain S.L., based at the Science Park of the University of Alicante, which distributes the OPTIcTRAIN software.

New ESCRS 2026 data show corneal measurements shift meaningfully across the day, with early-morning readings potentially biased by overnight eyelid closure.