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.
Serous means thin and watery-like serum. Central serous retinopathy is characterized by an accumulation of transparent fluid at the posterior pole of the fundus (base), causing a circumscribed area of retinal detachment at the posterior pole.entral serous retinopathy is due to a leakage, of unknown origin, through the pigment epithelium.