Researchers also found correlations between contrast sensitivity function and age, HbA1c, and type 1 diabetes (T1D) duration under different lighting conditions. Individuals with type 1 diabetes (T1D) ...

Researchers previously believed contrast sensitivity function -- the minimum level of black and white that a person needs to detect a pattern -- was mainly dictated by the optics of the eye and ...

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 ...