1. Henderson JW and Farrow GM : Tumors of nerve sheath origin. In: Orbital Tumors. 2nd Edn. New York, Thieme-Stratton, 1980, pp 261–279.
2. Jakobiec FA and Jones IS : Neurogenic tumors. In: Jones IS and Jakobiec FA (eds): Diseases of the Orbit. New York, Harper & Row, 1979, pp 371–389.
3. Rootman J and Robertson WD : Neurogenic tumors. In: Rootman J: Diseases of the Orbit. A multidisciplinary approach. Philadelphia, J. B. Lippin-cott, 1988, pp 281–334.
4. Capps DH, Brodsky MC, Rice CD, Mrak RE, Glasier CM, Brown HH : Orbital intramuscular schwannoma. Am J Ophthalmol 1990, 110: 535–9.
5. Gurland JE, Tenner M, Hornblass A, Wolintz AH : Orbital neurofibromatosis. Arch Ophthalmol 1976, 94: 1723–5.