Renaissance Humanism: Humanism is the term generally applied to the predominant social philosophy and intellectual and literary currents of the period from 1400 to 1650.
Central serous retinopathy. Central serous retinopathy (CSR), also known as central serous chorioretinopathy (CSC or CSCR), is an eye disease which causes visual impairment, often temporary, usually in one eye. When the disorder is active it is characterized by leakage of fluid under the retina that has a propensity to accumulate under the central macula.
Filling the inside of your is a gel-like fluid called the vitreous. The vitreous is attached to the nerve layer which lines the back of your eye, called the retina. Flashes are a symptom of your retina being irritated or stimulated by something.