Dr. RAHUL BHIMRAO BAILE

, Dr. MAHESH UPARKAR

Abstract

ASTIGMATISM CORRECTION HAS BECOME MOST IMPORTANT COMPONENT OF CATARACT SURGERY ,

CAREFULLY MARKING TO IDENTIFY STEP AXIS IS NEEDED FOR PROPER IOL ALIGNMENT AND ACHIVING DESIRED OUT COME .

EVERY 1 DEGREE THAT TORIC IOL IS OFF AXIS ITS EFFECT FOR REDUCING ASTIGMATISM IS DECREASED BY 3.3% ,

THAT’S WHY TO AVAOID CYCLOROTATION IN SUPINE POSITION , PLACEMENT OF PRE OPERATIVE REFERENCE MARKING SHOULD BE MADE WITH PATIENT IN SITTING POSITION .

TO PREVENT PATIENTS HEAD TILT DURING PRE OP REFERENCE MARKING WE HAVE DESIGNED AND DEVELOPED AN INSTRUMENT WHICH CAN BE PUT ON PATIENS FORHEAD LIKE A SPECTACLE FRAME ,

IT HAS A BUBBLE ROD MOUNTED ON IT 

IT HAS THREE POINT FIXATION , TWO ON PATIENTS EAR AND ONE ON NOSE 

THIS HELP IN PREVENTING PATIENTS HEAD TILT DURING PRE OPERATIVE CORNEAL REFERENCE MARKING