Ocular symptoms
Number
Before surgery
After surgery
Recurrence
Meningioma
10
10
10
2
Hemangioma
9
7
4
1
Osteoma
3
2
0
0
Glioma n.II
3
3
3
0
Pleomorphic adenoma of the lacrimal gland
2
2
0
0
Neuroma
2
2
2
0
Total
29
26
19
3
Table 2:
Benign tumors of the orbit. Preoperative visual acuity in meningiomas, gliomas of the optic nerve and neuromas.VA=0.5-0.1. In the others VA was 1.0.