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Con Moshegov FRANZCO, FRACS Con Moshegov FRANZCO, FRACS Ophthalmologist Advances in Cataract Surgery
 
Cataract is an opacification of the lens
 
 
 
 
Acanthamoeba infection
 
The cataract comes out in one whole piece
 
Limitations of ECCE ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The cataract is emulsified then sucked out
Phacoemulsification
Phacoemulsification
Phacoemulsification
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Aqualase ,[object Object],[object Object],[object Object],[object Object]
 
Aqualase ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Intraocular lenses (IOLs) 6mm
Small incision surgery ,[object Object]
 
Folding and Insertion of a lens
Advances in IOL technology
Acrysof Natural
Contrast Sensitivity is a better test of functional vision than Visual Acuity!
Sinewave contrast sensitivity is the most widely accepted test of contrast sensitivity
Contrast Sensitivity Decreases with Age
Simulated Image Contrast Enhancement  by Aspheric Correction   “ Aspheric IOLs emulate the young crystalline lens, whose negative spherical aberration tends to compensate positive spherical aberration of the cornea.”
Aspheric IOLs
Night driving problems related to aberrations
Night Driving Simulator ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],City Driving Scene Rural Driving Scene ,[object Object]
Night Driving Simulation ,[object Object],[object Object]
Perfect Vision ,[object Object]
Perfect Vision
Short-sightedness
Long-Sightedness
Astigmatism
Refractive errors ,[object Object],[object Object],[object Object]
Pre op Biometry Ultrasound IOL Master: coherence interferometry
Cornea too steep
Secondary LASIK
Reading without glasses ,[object Object],[object Object],[object Object]
Accomodating IOLs
Principle of a Refractive Multifocal IOL
Principle of a Diffractive Multifocal IOL ,[object Object],[object Object],[object Object]
ReSTOR pseudoaccomodating IOL
Alcon   ReSTOR IOL
Alcon   ReSTOR IOL
New Intraocular lenses ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Presbyopia
The procedure in practice ,[object Object],[object Object],[object Object],[object Object],[object Object]
The procedure in practice ,[object Object],[object Object],[object Object],[object Object],[object Object]
Myth ,[object Object]
Myth ,[object Object]
Myth ,[object Object]
Conclusion ,[object Object],[object Object],[object Object]

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Advances in cataract surgery

Notes de l'éditeur

  1. As we get older, we lose contrast sensitivity, first at the higher spatial frequencies, then for all the spatial frequencies. Our patients need regular checkups that include contrast sensitivity testing to monitor and assess the changes in their vision.
  2. MESSAGE: We used the NDS system designed by Dr. Ginsburg. This system was validated against detection and identification distances from published Dept. of Transportation Data. Ginsburg A, Kelly M; Functional vision testing: night driving simulator studies (1995) ASCRS ASOA Symposium of Cataract, IOL and Refractive Surgery, San Diego, California, April 1-5, 1995.