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 ...

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 ...

Disappointed by your monitor’s image quality? You might be able to improve it through monitor calibration. Learning to calibrate your monitor will make the most of its potential, and while you can ...