SAN FRANCISCO, California — A vision-testing system that factors real-world contrast and lighting conditions into the measurement of acuity could help ophthalmologists understand why patients with ...

Please provide your email address to receive an email when new articles are posted on . Perceptual learning significantly improved spectacle-corrected distance visual acuity. Patients assigned to ...

The development of a new tool for testing the eyesight of children under three could mean more children receive treatment for vision difficulties earlier, leading to positive effects on learning and ...