| 1
.
| Infratrochlear nerve |
| 2
.
| Muscle fibers which joined frontalis muscle |
| 3
.
| Periosteum covering nasal bone |
| 4
.
| Area of origin of superior part of orbicularis oculi muscle |
| 5
.
| Area of origin of inferior part of orbicularis oculi muscle |
| 6
.
| Lacrimal part orbicularis oculi muscle |
| 7
.
| Medial palpebral ligament |
| 8
.
| Angular head of levator labii superioris muscle (cut across) |
| 9
.
| Frontal nerve |
| 10
.
| Corrugator supercilii muscle |
| 11
.
| Supratrochlear nerve |
| 12
.
| Orbital septum (note its downward extension deep to the orbicularis muscle toward an attachment on the posterior lacrimal crest) |
| 13
.
| Aponeurosis of levator palpebrae superioris muscle (upper pointer, cutaneous insertion; lower pointer, tarsal insertion) |
| 14
.
| Superior tarsus |
| 15
.
| Middle palpebral artery |
| 16
.
| Superior palpebral nerves |
| 17
.
| Lacrimal duct |
| 18
.
| Lacrimal lake |
| 19
.
| Medial ocular angle |
