OBJECTIVES Know the general layers of the eye. Describe the structure of Cornea and its reason of transparent. Describe the structure of retina and the function of pigment cell, rod cell and cone cell. Know the definition of ora serrata. macula lutea, fovea centralis and optic disc Know the general structure of ear Describe six sensory regions of the membranous labyrinth and heir function3 OBJECTIVES • Know the general layers of the eye. • Describe the structure of Cornea and its reason of transparent. • Describe the structure of Retina and the function of pigment cell, rod cell and cone cell. • Know the definition of Ora serrata, Macula lutea, Fovea centralis and Optic disc. • Know the general structure of ear. • Describe six sensory regions of the membranous labyrinth and their function