A printable home vision test accurately measured visual acuity in ophthalmology outpatients and displayed high test-retest repeatability in a diagnostic study. “We are excited to be developing a ...

Study results, published in JAMA Ophthalmology, showed the Home Acuity Test can be used to measure visual acuity by telephone for a wide range of outpatients with diverse conditions under the care of ...

WHEN testing visual acuity with Snellen's current type, we use black letters printed upon a white ground, and the transition from black to white is as abrupt as can be. If the patient's eyes are ...

Our formula for calculation of optotype size is also based on the arcminutes subtended by each letter, where we have calculated the ideal optotype size for a standard letter and combined this with ...

Please provide your email address to receive an email when new articles are posted on . Mobile apps can successfully mimic paper-based visual function tests, results showed. Such apps may expand ...

Data showed women with baseline objective visual impairment were more likely to develop dementia after an average follow-up of 3.8 years. The study began in 2000 and is the first prospective analysis ...

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 ...

Two recent clinical reports of retinal gene therapy with adeno-associated virus (AAV) vectors in patients with Leber’s congenital amaurosis showed initial gains in visual function that subsequently ...

There's more than a few studies in neuroscience and child development that warn against the overuse of screens, video games and other visual stimuli. Pediatricians warn that too much screen time is ...

Research published today may lead to changes in how amblyopia is treated, particularly in adults. The research shows that eye dominance and visual acuity are controlled by different areas of the brain ...

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 ...