This optical illusion puzzle challenges observation skills by hiding an odd number among similar digits. Backed by visual ...

Optical illusions with hidden images are amazing for testing your visual powers. These illusion images challenge your brain's ...

Please provide your email address to receive an email when new articles are posted on . Dyop and ETDRS results were comparable under photopic conditions. However, Dyop results were worse under mesopic ...

Visual acuity (VA) commonly refers to the clarity of vision, but technically rates an examinee's ability to recognize small details with precision. Visual acuity is dependent on optical and neural ...

July 15, 2009 — Current evidence is insufficient to determine the balance of benefits and harms of visual acuity screening for the improvement of outcomes in older adults, according to a position ...

Digital video games improved visual acuity in children with amblyopia through binocular rehabilitation over 8 weeks. Participants aged 4-12 played games like Tetris and Snake with anaglyphic glasses, ...

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 ...

Poor visual acuity, defined as difficulty discerning letters or numbers at a given distance, is associated with depression in middle-aged and older individuals, new research suggests. After multiple ...