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.
a clear gel-like fluid filling the vitreous chamber and helping to hold the retina in place against the choroid. the most anterior portion of the uvea. a muscular, vascular, and pigmented structure that functions as a diaphragm to regulate the amount of light entering the eye.