Taking 5,000 IU of vitamin D per day may improve insulin sensitivity and beta-cell function for those with prediabetes or type 2 diabetes, according to findings published in the European Journal of ...

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 ...

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 ...

Although visual acuity is the most frequently used primary outcome measure in clinical trials of treatments for choroidal neovascularisation (CNV) due to age-related macular degeneration (AMD), ...

Exogenous attention is a rapid, involuntary mechanism that automatically reallocates processing resources toward salient stimuli. It enhances visual sensitivity in the vicinity of the salient stimulus ...

Circumcision, the surgical removal of the foreskin tissue that covers the head (glans) of the penis, elicits strong emotions. Whenever I’ve discussed the robust literature showing that it causes men ...