1
.
| Supraorbital nerve, artery, and vein |
2
.
| Remnant of origin of corrugator supercilli muscle |
3
.
| Orbital septum (detached from aponeurosis of levator palpebrae muscle) |
4
.
| Supratrochlear nerve |
5
.
| Upper pointer: Position of trochlea Lower pointer: Infratrochlear nerve |
6
.
| Nasofrontal vein emerging from orbit |
7
.
| Area of origin of upper part of orbicularis oculi muscle |
8
.
| Middle palpebral artery |
9
.
| Superior canaliculus |
10
.
| Medial palpebral ligament |
11
.
| Nasal bone |
12
.
| Fibers of orbicularis oculi muscle (cut across near origin) |
13
.
| Nasomaxillary suture |
14
.
| Frontal process of maxilla |
15
.
| Small artery along periosteum |
16
.
| Zygomaticomaxillary suture |
17
.
| Supraorbital margin of orbit |
18
.
| Fascia of levator palpebrae superioris muscle |
19
.
| Aponeurosis of Ievator palpebrae superioris muscle |
20
.
| Zygomatic process frontal bone |
21
.
| Superior tarsalis muscle (muscle of Müller) |
22
.
| Superior tarsus and tarsal (Meibomian) glands |
23
.
| Lateral palpebral artery |
24
.
| Inferior tarsus |
25
.
| Orbital branch (aberrant) from external maxillary artery |
26
.
| Orbital septum |
27
.
| Zygomatico-facial branch of zygomatic nerve |
28
.
| Zygomatic bone |