1. Advanced Glaucoma Intervention Study (AGIS), Manual of Operations. Chapter 7. Examination Procedures; Section 7.4. IOP. Available from National Technical Information Service (#PB93-220192).
2. Becker-Shaffer's Diagnosis and Therapy of the Glaucomas;Hoskins,1989
3. Use of digital compression following glaucoma surgery;Wieland;Ophthalmic Surg Lasers,1988
4. Iris incarceration associated with digital ocular massage;Segrest;Ophthalmic Surg Lasers,1981
5. Ruptured filtering bleb after ocular massage;Miller;Arch Ophthalmol,1966