Hamilton Thorne Ltd. is engaged in the development, manufacture and sale of precision laser devices and advanced image analysis systems for living cell applications in the fertility, stem cell and developmental biology research markets. The Company offers Clinical lasers, Research lasers and Clinical Sperm Analysis Products. Its Clinical lasers include LYKOS laser and ZILOS-tk laser for applications, such as laser-assisted hatching and embryo biopsy for pre-implantation genetic diagnosis (PGD). Its Research lasers include XYRCOS laser, XYClone laser and Stiletto laser for applications, such as transgenic animal production, stem cell applications and somatic cell nuclear transfer. Its Clinical Sperm Analysis Products include IVOS II Clinical, CEROS II Clinical and Dimensions II Strict Morphology for applications, such as fertility testing, reproductive toxicology, and biological research. It also provides ZANDAIR air purification systems for in-vitro fertilization and pathology.