1. Gross External
   1. Conjunctiva
      1. Bulbar
      2. Palpebral
      3. Fornix
   2. Palpebrae
      1. Superior
      2. Inferior
      3. Palpebral Fissure
      4. Lacrimal Caruncula
      5. Plica Semilunaris
   3. Lacrimal Apparatus
      1. Lacrimal Glad
         1. Tear Film
            1. Acqueous Layer
            2. Immunology
            3. Complement System
            4. lysozymes
            5. lacritin
            6. lactoferrin
            7. Lipid Layer
            8. Mucous Layer
            9. Image Resolution
      2. Lacrimal Lake
      3. Lacrimal Puncta
      4. Nasolacrimal Canal
2. Ocular Globe
   1. Ocular Layers (Tunics)
      1. (Outer) Fibrous Tunic
         1. Cornea
            1. Lamina
            2. Epithelium
            3. Cell Layer
            4. Stratified Squamous
            5. Transitional
            6. Squamous
            7. Simple Columnar
            8. Irregular
            9. Bowman's Membrane (Anterior Limiting Lamina)
            10. Basement Membrane
            11. Acellular
            12. Collagen Fibers
            13. Scarring
            14. Corneal Stroma (Substantia propria)
            15. Collagen
            16. Keratocytes
            17. Relatively Dehydrated
            18. 75% H20 by Weight
            19. Bulky (>90% corneal mass)
            20. Descemet's Membrane (Posterior Limiting Lamina)
            21. Basement Membrane
            22. Elastin Fibers
            23. Collagen Fibers
            24. Acellular
            25. Endothelium
            26. Na++/K+ ATPase Pump
            27. Non-Regenerative
            28. 5,000 - 200 cells/mm2
            29. Optically Transparent
         2. Sclera
            1. Acellular
            2. Collagen Fibers
            3. Elastin Fibers
            4. Optically Opaque
            5. Physiological Function
            6. Prevent Rupture
            7. Provide Shape
            8. Reflect Light
      2. (Middle) Vascular Tunic
         1. Choroid
            1. Vasculature
            2. Melanocytes
      3. (Inner) Nervous Tunic
         1. Retina
            1. Photoreceptors
            2. Rods
            3. Fovea Centralis
            4. Cones
            5. Red
            6. Green
            7. Blue
   2. Chambers
      1. Anterior
         1. Iris
            1. Pupil
            2. Dilators
            3. Sphincters
            4. Melanocytes
            5. Trabecular Meshwork
            6. Canal of Schlemm
         2. Ciliary Bodies
            1. Accommodation
            2. Aqueous Humor Production
         3. Acqueous Humor
            1. Corneal Metabolism
      2. Posterior
         1. Vitreous Body
         2. Crystalline Lens
3. Extraocular Muscles
   1. Rectus
      1. Superior
         1. Elevation
         2. Intortion
         3. Adduction
      2. Inferior
         1. Depression
         2. Extortion
         3. Adduction
      3. Medial
         1. Abduction
      4. Lateral
         1. Adduction
   2. Obliques
      1. Superior
         1. Intorion
         2. Depression
         3. Abduction
      2. Inferior
         1. Extortion
         2. Elevation
         3. Abduction