The photomask is placed between the UV light source and the photosensitive fiber. Ultraviolet radiation from compact fluorescent lamps may exacerbate symptoms in photosensitive individuals. After this, the celluloid strips were coated with a photosensitive gelatin emulsion. The pretectum receives significant binocular input from photosensitive ganglion cells in the retina. The retina contains two types of photosensitive cells, the rod cells and the cone cells. The opsin found in the intrinsically photosensitive ganglion cells of the retina is called melanopsin. BCB is frequently used to create photosensitive polymers. Sometimes strobe lighting can trigger seizures in photosensitive epilepsy. Preliminary immunocytochemical analyses support the existence of photosensitive pigment also in the animal's integument. Different blueprint processes based on photosensitive ferric compounds have been used. The blueprint process is based on a photosensitive ferric compound. In humans, melanopsin is found in intrinsically photosensitive retinal ganglion cells (ipRGCs). The effects can range from disturbance to epileptic attacks of photosensitive persons. Foscan can render patients photosensitive for up to 20 days after initial illumination. An anthotype is an image created using photosensitive material from plants.