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 ...

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 ...

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 ...