robert g. martin, md donald r. sanders, md, phd following implantation of 4 foldable lens designs...
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Robert G. Martin, MD Robert G. Martin, MD Donald R. Sanders, MD, PhD Donald R. Sanders, MD, PhD
Following Implantation of 4 Foldable Lens Designs
Following Implantation of 4 Foldable Lens Designs
Higher Order Aberration
Higher Order Aberration
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Study ObjectiveStudy Objective
Objective Of The Study Was To Determine If Implantation Of Different Foldable Lens Designs Resulted In Different Amounts Of Higher Order Aberrations
Objective Of The Study Was To Determine If Implantation Of Different Foldable Lens Designs Resulted In Different Amounts Of Higher Order Aberrations
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Study DesignStudy Design
Patients Had Tracey VFA Performed On Eyes To Undergo Cataract Extraction
Patients Were Randomly Assigned To Receive 1 Of 4 Foldable Lens Designs
Tracey VFA Was Repeated At 1 Week Postoperatively
Patients Had Tracey VFA Performed On Eyes To Undergo Cataract Extraction
Patients Were Randomly Assigned To Receive 1 Of 4 Foldable Lens Designs
Tracey VFA Was Repeated At 1 Week Postoperatively
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Pupil SizePupil Size
All pre and postoperative measurements of higher order aberrations were done with a 4.5mm pupil size
All pre and postoperative measurements of higher order aberrations were done with a 4.5mm pupil size
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Foldable Lens DesignsFoldable Lens Designs
STAAR Collamer
STAAR Plate Haptic Silicone
ALCON SA-60
AMO Sensar
STAAR Collamer
STAAR Plate Haptic Silicone
ALCON SA-60
AMO Sensar
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Preoperative Total Higher Order (HO) Aberrations
Preoperative Total Higher Order (HO) Aberrations
No Significant Difference Between IOLs
0.330.31 0.32
0.29
0
0.1
0.2
0.3
0.4
RM
S V
alu
e
StaarCollamer
Staar Plate Alcon SA60 AMO Sensar
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One-Week PostoperativeTotal Higher Order (HO) Aberrations
One-Week PostoperativeTotal Higher Order (HO) Aberrations
Collamer significantly better than STAAR plate and Alcon SA-60 (p< 0.005)Collamer significantly better than STAAR plate and Alcon SA-60 (p< 0.005)
0.6
0.93
1.281.13
0
0.2
0.4
0.6
0.8
1
1.2
1.4
RM
S V
alu
e
StaarCollamer
Staar Plate Alcon SA60 AMO Sensar
N = 21 N = 24 N = 19 N = 16
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Collamer IOLCollamer IOL
Collamer Had Significantly Less HO Aberrations Than STAAR Plate And SA-60 (P 0.005).
Difference With Sensar Was Not Significant.
Collamer Had Significantly Less HO Aberrations Than STAAR Plate And SA-60 (P 0.005).
Difference With Sensar Was Not Significant.
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NoteNote
Sample size may be too small, especially with the Sensar group, and results could change with a larger sample. However, we have strong clinical indications that less higher order aberrations are induced with the Collamer lens as compared to plate lenses and AMO lenses.
Sample size may be too small, especially with the Sensar group, and results could change with a larger sample. However, we have strong clinical indications that less higher order aberrations are induced with the Collamer lens as compared to plate lenses and AMO lenses.
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Pre-op – Average H.O. AberrationsPre-op – Average H.O. Aberrations
STAAR Collamer
Alcon SA-60
STAAR Plate
AMO Sensar
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Postop – Average H.O. AberrationsPostop – Average H.O. Aberrations
STAAR Collamer
Alcon SA-60
STAAR Plate
AMO Sensar
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SummarySummary
Three Other Foldable Lenses Tested Had Between 55% and 117% More Higher Order Aberrations at 1 Week Postoperatively than the STAAR Collamer IOL
Three Other Foldable Lenses Tested Had Between 55% and 117% More Higher Order Aberrations at 1 Week Postoperatively than the STAAR Collamer IOL
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This Is A Study Of Optical AberrationsThis Is A Study Of Optical Aberrations
Is it clinically significant? Is this especially significant in
patients with large pupils? Do we need a bigger implant? Do we need a different shaped
lens? Do we need a different edge? Do we need a different material?
Is it clinically significant? Is this especially significant in
patients with large pupils? Do we need a bigger implant? Do we need a different shaped
lens? Do we need a different edge? Do we need a different material?Robert G. Martin, MD Robert G. Martin, MD Donald R. Sanders, MD, PhD Donald R. Sanders, MD, PhD