QUASAR Technique of Chopping
as devised by Dr. Dipan Desai
Desai Eye Institute & Laser CentreAhmedabad, India
Stop & Chop Hold & Chop
Current world favouritesCombination
QUASAR Technique of Chopping
QUASAR
QU A S A R
Quick & Safe & Reliable
Stop & Chop Hold & Chop ( Paul Koch ) ( Nagahara )• More Phaco time• More fluid exchange• Routine 30 degree tip• Full diameter nucleus
cracked• More chance of PC rupture• Safe upto grade IV nucl. cats. • Provides chopping space• May require special chopper
for harder cataracts• Safer & easier to chop
• Less phaco time• Less fluid exchange• Special 0 degree tip• Full diameter & thickness
of nucleus cracked• Same• Safe upto grade III to IV• No chopping space• Sharp chopper required
• More technique
Occlusion withHigh Vacuum
Occlusion withHigh Vacuum
Bury Tipin Nucleus
Final LateralForces Appliedfor Seperation
Final LateralForces Appliedfor Seperation
900 RotationAnti Clockwise
Quasar Phako isQuick, Safe& Reliable
- Good for allGrades of Cataract
Quasar2
Quasar II for removal of
Superior Nuclear Half
QUASAR Direct Phaco Chop
Modified and Devised
by
Dr. Dipan Desai
(SCULPTING STAGE)
Phaco I Settings•FR – 14
•Vacuum – 30
•Power – 30-50
•Bottle Ht. – 22 inches
Start sculpting at the superior capsulerrhexis margin and go deep into the nucleus downwards and forwards
After embedding the tip into nucleus use
Phaco II settings FR (22-30)
Vacuum (100-400)
Power in pulse or burst mode
QUASAR
PHACO CHOP IS
NOW SARAL
Thank You