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Lens Cornea Iris Optic Nerve Retina The ‘Normal’ Eye The ‘Normal’ Eye

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The ‘Normal’ Eye. Iris. Retina. Cornea. Optic Nerve. Lens. Light is refracted (or bent) by the cornea and lens. Image focuses on the retina. A clear image is seen. SCATTERING OF LIGHT. Cataract causes Scattering of light. Mature Cataract no light enters the eye. - PowerPoint PPT Presentation

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Page 1: The ‘Normal’ Eye

Lens

Cornea

Iris

OpticNerve

Retina

The ‘Normal’ EyeThe ‘Normal’ Eye

Page 2: The ‘Normal’ Eye

Light is refracted (or bent) by the cornea and lens Image focuses

on the retina

A clear image is seen

Page 3: The ‘Normal’ Eye

SCATTERING OF LIGHTSCATTERING OF LIGHT

Cataract causes Scattering of light

Page 4: The ‘Normal’ Eye

Mature Cataract no light enters the eye

Page 5: The ‘Normal’ Eye

Central Cataract no light enters the eye

Page 6: The ‘Normal’ Eye
Page 7: The ‘Normal’ Eye

INSCISIONINSCISION

2.8 mm OPENING

Page 8: The ‘Normal’ Eye

INSCISIONINSCISION

2.8 mm OPENING

Page 9: The ‘Normal’ Eye

CAPSULOREXHISISCAPSULOREXHISIS

Page 10: The ‘Normal’ Eye

PHACO PROBE INSERTEDPHACO PROBE INSERTED

Page 11: The ‘Normal’ Eye

LENS CUTLENS CUT

Page 12: The ‘Normal’ Eye

LENS CUTLENS CUT

Page 13: The ‘Normal’ Eye

LENS REMOVEDLENS REMOVED

Page 14: The ‘Normal’ Eye

LENS REMOVEDLENS REMOVED

Page 15: The ‘Normal’ Eye

LENS REMOVEDLENS REMOVED

Page 16: The ‘Normal’ Eye

LENS REMOVEDLENS REMOVED

Page 17: The ‘Normal’ Eye

LENS REMOVEDLENS REMOVED

Page 18: The ‘Normal’ Eye

INTRAOCULAR LENSINTRAOCULAR LENS

Page 19: The ‘Normal’ Eye

13 mm

6 mm

INTRAOCULAR LENSINTRAOCULAR LENS

Page 20: The ‘Normal’ Eye

2.8 mm OPENING

Page 21: The ‘Normal’ Eye

LENS FOLDEDLENS FOLDED

3 mm

Page 22: The ‘Normal’ Eye
Page 23: The ‘Normal’ Eye

FOLDED LENS UNFOLDSFOLDED LENS UNFOLDS

Page 24: The ‘Normal’ Eye

Extra Capsular Cataract ExtractionExtra Capsular Cataract Extraction

Old or Conventional Surgery

Page 25: The ‘Normal’ Eye

12 mm opening made in the eye

Page 26: The ‘Normal’ Eye

CAPSULOREXHISISCAPSULOREXHISIS

Page 27: The ‘Normal’ Eye

CAPSULOREXHISISCAPSULOREXHISIS

Page 28: The ‘Normal’ Eye

Manually lens removedManually lens removed

Page 29: The ‘Normal’ Eye

Rigid lens insertedRigid lens inserted

Page 30: The ‘Normal’ Eye
Page 31: The ‘Normal’ Eye
Page 32: The ‘Normal’ Eye

Sutures Placed Sutures Placed


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