1. Vitrectomy. A pars plana approach;Machemer;Trans. Am. Acad. Ophthalmol. Otolaryngol.,1971
2. Experimental vitrectomy, instrumentation and surgical technique;Peyman;Arch. Ophthalmol.,1971
3. Slit illumination system and contact lens support ring for use with operation microscope;Peyman;Ophthalmic Surg.,1972
4. A new concept for vitreous surgery. Improvement in instrumentation and illumination;Parel;Am. J. Ophthalmol.,1974
5. A new operating microscope for extraocular and intraocular surgery;Peyman;Am. J. Ophthalmol.,1974