A SLIT MIRROR, USED IN A RETINA SCANNING SYSTEM TO GIVE A 200 DEGREE IMAGE OF THE PATIENTS RETINA IN ORDER TO DETECT AND ANALYSE OCULAR PATHOLOGY THE MIRROR AMPLIFIES THE SCAN ANGLE GENERATED BY THE FAST SCAN MODULE (NOT PART OF THIS BTI) AND FOCUSES IT ONTO ANOTHER MIRROR, BEFORE RETURNING IT BACK TO THE FAST SCAN MODULE.

CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING:- GENERAL INTERPRETIVE RULES (GIR)S: GIR 1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING 9002 LENSES, PRISMS, MIRRORS AND OTHER OPTICAL ELEMENTS, OF ANY MATERIAL, MOUNTED, BEING PARTS OF OR FITTINGS FOR INSTRUMENTS OR APPARATUS, OTHER THAN SUCH ELEMENTS OF GLASS NOT OPTICALLY WORKED. GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL 900290 OBJECTIVE LENSES ALSO CLASSIFIED IN ACCORDANCE WITH: NOTE 2(a) TO CHAPTER 90, HSEN 'S NOTE (5) TO HEADING 9002 REFERS