An introduction to cataracts

The lens is a transparent biconvex structure, surrounded by an outer capsule, sitting within the eye held by the ciliary body (Figure 1). Contraction of the ciliary muscles changes the shape of the...

Managing conflict at work: why managers fail

Researchers have made a number of attempts to identify and classify the causes of workplace conflict, but because there are so many, no one has come up with a definitive list as yet. Wall and...