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 ...

Please provide your email address to receive an email when new articles are posted on . Objective measures of contrast sensitivity and visual distortion can be used to assess the impact of macular ...

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 ...

Contrast-induced nephropathy is rare. It results from exposure to contrast dyes during certain imaging tests and cardiology procedures. People living with diabetes or advanced kidney disease may be at ...