The Vision Microette is an ideal research and quality control tool for the study of topical and transdermal drug delivery formulations, as well as ophthalmics, cosmetics, skin care products, and pesticides. The Vision Microette diffusion test system automates sampling from groups of six Hanson Vertical Diffusion Cells (VDCs) for extensive unattended tests and handles surfactants, saline, and hydroalcoholic receptor solutions. Successful stories:  Design/formulation development, and release studies of timolol from timolol occusert : M. Kahtan, N.A.Numan, Ashok K. Shakya*  Formulation development and release studies of levofloxacin and ornidazole from periodontal thermosensitive formulations.