(19)

(11)

EP 0 643 566 A1

(12)

(43) Date of publication: 22.03.1995 Bulletin 1995/12 (21) Application number: 93915196.0 (22) Date of filing: 02.06.1993

(51) International Patent Classification (IPC):  A61B 3/ 10( . ) G01B 11/ 255( . ) A61B 3/ 107( . ) (86) International application number: PCT/US1993/005293 (87) International publication number: WO 1993/024049 (09.12.1993 Gazette 1993/29)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 02.06.1992 US 19920891961 (71) Applicant: EYESYS LABORATORIES, INC. Houston, TX 77055 (US)	(72) Inventors: D'SOUZA, Henry, M. Houston, TX 77070 (US) SARVER, Edwin, J. Pearland, TX 77485 (US) (74) Representative: Perkins, Sarah  Stevens, Hewlett & Perkins 1 Serjeants' Inn Fleet Street London EC4Y 1LL London EC4Y 1LL (GB)