Impaired vision and blindness are common. About 3.4 million people in the US are blind or visually impaired. Vision is usually measured by visual acuity charts, and normal vision is expressed as 20/20 ...

An iPad^® application has been developed that can help physicians screen for Parkinson's Disease, report researchers. Patients with Parkinson's disease (PD) often have difficulties with ...

A total of 26 healthy volunteers, with a mean age of 32 years, were examined with and without one drop of 1% tropicamide being administered 30 min previously. On each occasion, acuity and pupil ...

We were unable to process your request. Please try again later. If you continue to have this issue please contact [email protected]. Multifocal and single vision lenses performed similarly ...

Monocular contrast sensitivity and microperimetry are useful indicators of visual function and its impact on activities of daily living in those with AMD. Patients with AMD do not rely on binocular ...

Up to 19% of prevalent dementia cases may be attributable to impaired vision, a cross-sectional analysis suggested. Contrast sensitivity impairment showed the strongest relationship, followed by near ...

A study carried out by the University of Granada indicates that smoking cannabis significantly alters key visual functions, such as visual acuity, contrast sensitivity, three-dimensional vision ...

Participants who ate a dark chocolate bar experienced improved contrast sensitivity and visual acuity 2 hours after eating the candy compared with participants who ate a milk chocolate bar, according ...

Glaucoma patients show slower visual response times, indicating impaired visual signal processing rather than motor or attention deficits. The study involved glaucoma patients and healthy controls, ...

Visual acuity improved slightly more after consumption of dark vs milk chocolate. HealthDay News — Compared with milk chocolate, consumption of dark chocolate is associated with higher contrast ...