Which of the following common eye pathologies is known by its clouded eye lens that is similar to trying to look through a fogged-up window?

Light is focused on the retina by the __________

a) pupil b) ganglion cells c) lens d) iris

The essential feature of a panic disorder is ______

a. well-defined phobic reactions to specific stimuli b. occurrences of repeated, unexpected panic attacks c. constant worry without a known cause d. behavior dominated by rituals performed in order to avoid anxiety