| 1
.
| Upper pointer: Superior rectus muscle (retracted superiorly) Lower pointer: Weblike fold of fascia between superior and lateral rectus muscles |
| 2
.
| Lacrimal nerve |
| 3
.
| Lateral rectus muscle (retracted laterally) |
| 4
.
| Upper pointer: Sheath of optic nerve Lower pointer: Optic nerve |
| 5
.
| Subarachnoid space (spatium intervaginalium) |
| 6
.
| Inferior oblique muscle |
| 7
.
| Bulbar fascia |
| 8
.
| Temporalis muscle |
| 9
.
| Inferior rectus muscle (retracted inferiorly) |
| 10
.
| Maxillary sinus |
| 11
.
| Levator palpebrae superioris muscle (retracted superiorly) |
| 12
.
| Anterior cranial fossa |
| 13
.
| Frontal sinus |
| 14
.
| Upper pointer: Superior oblique muscle Lower pointer: Infratrochlear nerve |
| 15
.
| Cribriform plate ethmoid bone |
| 16
.
| Medial rectus muscle |
| 17
.
| Nasal septum (cut through) |
| 18
.
| Medial check ligament |
| 19
.
| Ethmoidal cell (fossa for lacrimal sac lies anterior to this air cell) |
| 20
.
| Common nasal meatus |
| 21
.
| Middle nasal concha |
| 22
.
| Middle nasal meatus |
| 23
.
| Inferior nasal concha |
| 24
.
| Opening of nasolacrimal duct into Inferior nasal meatus |
