Hi, I use a new Keystone machine. You no longer have to use a plunger to change to intermediate distance, it is all done from the keypad so no fiddly lens changes halfway through the test. I ordered the screener through Kays Medical last year. Siān ~~~~~~~~~~~~~~~ Please remove this footer before replying. OCC-HEALTH ARCHIVES: http://www.jiscmail.ac.uk/lists/occ-health.html CONFERENCES AND STUDY DAYS: http://www.jiscmail.ac.uk/cgi-bin/filearea.cgi?LMGT1=OCC-HEALTH OCCUPATIONAL HEALTH JOBS http://OHJobs.drmaze.net OCCUPATIONAL HEALTH NURSING EDUCATION http://www.aohne.org.uk