1. Pine K, Sloan B, Jacobs R. Clinical ocular prosthetics. New York: Springer; 2015.
2. Enucleation and psychic trauma;Lubkin;Adv Ophthalmic Plast Reconstr Surg,1990
3. Miller SJ. Parson's Diseases of the Eye. 18th Ed. Edinburgh: Churchill Livingstone; 1994. p. 174-5.
4. Hogan MJ, Zimmerman LE. Ophthalmic Pathology, Atlas and Textbook. 2nd ed. London: W.B. Saunder's and Company; 1962. p. 130-5.
5. Lerman S. Basic Ophthalmology. 2nd ed. New York: McGraw Hill Book Company; 1966. p. 135.