Diagnostic set of the ChromaGen haploscopic contact lens...
Diagnostic set of the ChromaGen haploscopic contact lens sys
Diagnostic set of the ChromaGen haploscopic contact lens system for improving defective colour vision, consisting plastic briefcase containing of 28 vials, 7 large coloured lenses, computer disk, 'ChromaGen Clinical Procedures' booklet by DA Harris, and 4 vials in plastic net tubing, used by The Corneal Laser Centre, 1997.