Predicted to be a structural constituent of eye lens. Predicted to be involved in lens development in camera-type eye and visual perception. Is expressed in lens. Human ortholog(s) of this gene implicated in cataract; cataract 2 multiple types; cataract 4 multiple types; and cataract 7. Orthologous to human CRYGA (crystallin gamma A); CRYGC (crystallin gamma C); and CRYGD (crystallin gamma D).