1. Vision

2. Bony Orbit

3. Bony Orbit Orbital Walls: Provides protection to the globe
A pyramid in shape with apex at foramen
Roof - frontal bone, lesser wing of sphenoid
Medial - maxilla, lacrimal, ethmoid, body of sphenoid
Floor - maxillary, palatine, zygoma
Lateral - zygoma, greater wing of sphenoid
                                                                                                                                                                                                                                                                                                                                                    

4. Bony Orbit

5. Globe (human eye)

6. Surface Anatomy of the Eye
                                                                 
Eyebrows divert sweat from the eyes and contribute to facial expressions
Eyelids (palpebrae) blink to protect the eye from foreign objects and lubricate their surface
Eyelashes detect and prevent foreign objects

7. Conjunctiva
A mucous membrane lining the inside of the eyelids and the anterior surface of the eyes
Conjunctivitis (“pinkeye”): inflammation of the conjunctival sac

8. Lacrimal apparatus

9. Lacrimal apparatus

10. Extrinsic Eye Muscles
Lateral, medial, superior, and inferior rectus muscles (recall, rectus = straight); superior and inferior oblique muscles

14. Home work