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A R A V I N D E Y E C A R E S Y S T E M
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LENS
Anatomy and Physiology
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Diseases of lens
Cataract• - Congenital • - Developmental• - Senile• Immature • Mature• Hypermature• - Traumatic• - Complicated and Others
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Diseases of lens
Subluxation
Dislocation
- Anterior
- Posterior
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Age related cataract is the leading
cause of blindness in the world today
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Definition of Cataract
Cataract is defined as opacity of the
crystalline lens or its capsule, which prevents
the passage of the rays of light and causes
significant visual loss.
Normal Eye Eye with Cataract
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Types of Cataract
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Lamellar Cataract
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Senile Nuclear Sclerosis
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Nuclear Cataract
Nuclear cataract (early)
Nuclear cataract (advanced)
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Posterior Polar Cataract
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Mature Cataract
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Hypermature Morgagnian Cataract
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Total Cataract With Thickened Anterior Capsule
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Traumatic Cataract- Lens Matter in Ac
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Phacomorphic Glaucoma
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Phacolytic Glaucoma
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Symptoms of cataract
Reduced vision
Glare
Reduced contrast sensitivity
Frequent change of glasses
White opacity
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Treatment of Cataract
Medical (Temporary)
Spectacles
Increase illumination
Surgical (permanent)
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Types of Surgical Intervention
Couching
Intracapsular cataract surgery
Extra capsular cataract surgery
Small incision cataract surgery
Phacoemulsification
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Couching
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ICCE
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ECCE with IOL
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Manual Small Incision Sutureless Cataract Surgery (M
SICS)
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Phacoemulisification
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Foldable IOL
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Out-Patient Procedures Visual Acuity
Tonometry
Lacrimal patency
Administering drugs
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RefractionVisual acuity
Refraction
Autorefractometry
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Refraction
Biometry
(contd)
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Operating Room ProceduresAnaesthesia,
Massaging the eye,
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Operating Room Procedures
Patient Preparation
(contd)
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Operating Room Procedures
Instruments sterilization and maintenance
(contd)
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High volume, High quality,Cost effective cataract surgery
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Equipments
One Cataract Surgery Instrument set – $500 - $600
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Phaco Machine
Cost varies from $20,000 –
$40,000
Consumables, Maintenance
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Outcome Benchmarks
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Outcome of cataract surgery
A charge in the functional disability
Change in visual acuity by Snellen charts
Quality of life assessment
Self care
Mobility
Socializing
Mental outlook
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Visual Acuity Charts
Snellen LOGMAR
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Thank You
