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Lens
Cornea
Iris
OpticNerve
Retina
The ‘Normal’ Eye
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Light is refracted (or bent) by the cornea and lens Image focuses
on the retina
A clear image is seen
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SCATTERING OF LIGHT
Cataract causes Scattering of light
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Mature Cataract no light enters the eye
Person in not able to see any thing
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Central Cataract no light enters the eye
Here also the person is not able to see anything
Though the cataract is not mature
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Latest technique to remove the cataratatous lens through a small
key hole opening called
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INCISION
2.2 mm small self sealing OPENING
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INCISION
anterior layer of the lens is removed CAPSULOREXHISIS
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CAPSULOREXHISIS
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PHACO PROBE INSERTED
A phaco probe is inserted which uses ultrasound to cut the lens into small pieces
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LENS CUT
A phaco probe is inserted which uses ultrasound to cut the lens into small pieces
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LENS CUT
phaco probe is inserted which uses ultrasound to cut the lens into small pieces
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LENS REMOVED
phaco probe removes the cut pieces of the lens
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LENS REMOVED
phaco probe removes the cut pieces of the lens
PRADNYA NETHRALAYA
LENS REMOVED
phaco probe removes the cut pieces of the lens
PRADNYA NETHRALAYA
LENS REMOVED
phaco probe removes the cut pieces of the lens
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LENS REMOVED
All pieces are removed
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FOLDABLE INTRAOCULAR LENS
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13 mm
6 mm
FOLDABLE INTRAOCULAR LENS
Introocular lens is 13 x 6 mm
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FOLDABLE INTRAOCULAR LENS
OPENING IS ONLY 2.2 mm
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LENS FOLDED
3 mm
Intraocular lens is folded
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This intraocular lens is injected through the 2.2 mm opening
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FOLDED LENS UNFOLDSThe lens unfolds like a flower inside the eye
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ADVANTAGES OF PHACOEMULSIFICATION
The surgery is• Stitch less• Bloodless• Painless• Controlled • No injection • No eyepad
It helps Patient’s• Early rehabilitation • Less post operative
discomfort• Less induced astigmatism• Minimum post operative
restriction• More satisfied
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Extra Capsular Cataract Extraction
Old or Conventional Surgery
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12 mm opening made in the eye
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CAPSULOREXHISIS
anterior layer of the lens is removed
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CAPSULOREXHISIS
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Manually lens removed
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Rigid lens inserted
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Sutures Placed