146 



SKIN OF LOWER LID 

 LOWER TARSUS 

 Palpebral fascia and 

 aat. lamina of muscle- 

 fascia 



Orbicularis palpe- 



brarum 



Intension of sheath of 

 inferior root us to 

 lower eyelid 



FORNIX CONJUNCTIV/C 



Inferior oblique mu3ol3, 

 cut across 



PERIORBITA 



Posterior lamina of 

 muscle-fascia 



SUPRAVAGINAL SPACE CONTINUOUS 



WITH TENON'S SPACE 

 SPACE OCCUPIED BY ORBITAL FAT, PRO- 

 CESSES OF FASCIA SEPARATING THE 

 LOBULES AND ENCLOSING BLOOD- 

 VESSELS 



Inferior rectus 



PR A CTICAL ANA TO MY. 

 \ 



SKIN OF UPPER LID 

 UPPER TARSUS 

 CORNEA 



Orbicularis palpe- 



brarum 



UPPER RIM OF ORBIT, WITH 

 Splitting of periorbita 

 Upper or anterior insertion 



of levator palpebrae 

 Superior palpebral muscle of 

 FORNIX CONJUNCTIV/E [Miiller 



Connection between levator 

 palpebrae and sup. reetus, 

 and fibres to conjunctiva 



PROCESS FROM PERIORBITA TO 

 CAPSULE OF LACHRYMAL GLAND 



Superior rectus 



Levator palpebrae 

 superioris 



Posterior lamina of muscle- 

 fascia lined by prolongation of 

 Tenon's capsule 



OPTIC NERVE 



FIG. 102. VERTICAL SECTION THROUGH THE EYEBALL AND ORBIT IN THE DIRECTION OF THE 



ORBITAL Axis, WITH CLOSED EYELIDS. 



(Semi-diagrammatic. After Schwalbe, modified to show fasciae.) 

 Periorbita green ; muscle-fascia red; Tenon's capsule yellviv. 



Snpraorbital artery 



LACHRYMAL GLAND 



Superior rectus, cut 



EYEBALL 



External rectus 

 Lachrymal artery 



Superior rectus, out 

 Inferior ophthalmic vein 

 Superior ophthalmic vein 



OPTIC NKR VI-: 

 Common ophthalmic vein 



Commencement o/ superior 

 ophthalmic vein 



Reflected tendon of superior 



oblique 

 Ophthalmic artery 



Anterior ethmoidal artery 



Posterior ethmoidal artery 

 Ciliary arteries 



Levator palpebrae, cut 

 Ligament of Zinn 

 iiilmic artery 



OPTIC COMMISSURE 



Internal carotid artery 



FIG. 103. TIIK OPHTHALMIC ARTKKV AND VEIN. 



