Equipped with colour image collecting system: able to conduct digital reducibility of the caught picture 3 kinds of monitor modes: ocular, monitor and LCD, which can display images directly All round visible lecturing functions Case memory function: long time memory of case pictures , which can better deal with any possible disputes raised by patients. Picture analytical treatment function: providing assistance to research of anterior eye section. Picture comparison function: can compare the effect of therapy, analyze focus of disease, measure, compute and increase images. Equipped with colour jet printer: printout of images.