Sonogage Corneo-Gage Plus pachymeters, a professional. Corneal thickness measurement device. Glaucoma screening, LASIK evaluations, and general eye health assessments. Accurately measures corneal thickness? Portable and easy to use? Built-in printer and keypad interface? Condition: Used, tested, and in good working order. Eye clinics, optometrists, and research labs. Message me with any questions!