Retinal detachment occurs when the light-sensing layer inside your eye, the retina, detaches from the underlying pigmented tissue layer that provides it oxygen and nutrients. Retinal detachment can happen spontaneously with no obvious or underlying cause.
Thus, vertical analysis is nothing but the comparative analysis of an economic statement, in which all baseline items on an economic statement are shown as a fraction of a further item.
A meta-analysis is a statistical analysis that combines the results of multiple scientific studies. The basic tenet behind meta-analyses is that there is a common truth behind all conceptually similar scientific studies, but which has been measured with a certain error within individual studies.