Theta 1 and Theta 2 Orionis are two multiple-star systems within the Orion Nebula (M42). Theta1 includes several stars; the four brightest comprise the Trapezium star cluster at the heart of M42. To ...

O’Donnell outlined key warning signs drivers should be aware of, alongside essential advice on eye test frequency and a clear ...

Rockville, MD — A computer-based method for evaluating the eye’s ability to distinguish object details and shape in patients with age-related macular degeneration (AMD) could provide a more accurate ...

Please provide your email address to receive an email when new articles are posted on . The Hadassah Self-Visual Acuity Screener demonstrated high reliability, accuracy and alignment with standard ...