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