1. A method for automatically screening for visual dysfunctions in pre-literate or school-age test subjects comprising: (a) initiating a selected test procedure, incorporating an interactive video game readily comprehensible by pre-literate and school-age test subjects, with said test subject by establishing an exclusive dialog between said test subject and a PC system; (b) collecting test results in said PC system and creating a test record incorporating test results; (c) printing said test results for presentation to said test subject; (d) transmitting said test results to an off-site repository for storage with test results of other test subjects; (e) generating an epidemiological analysis of said stored test results together with the test results of other test subjects in accordance with a selected analysis protocol chosen by a communicating investigator; and (f) printing a report representing said analysis.