A solid-state imaging device including an imaging area formed of a plurality of pixels arrayed in a two-dimensional matrix is provided. The invention furthermore relates to a method for the preparation of a phosphorescent ceramic composite material as defined in any of the previous claims, the method comprising the following steps: preparing a mixture of a metal oxide and a phosphor; fabricating a green body from the mixture; and heat treating the green body in a reducing atmosphere. To be electrically disconnected from the common conductor of the base plate. The eyewear may include only one lens, or may include two separate lenses.