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Sculpting Implants in situ: Light-Adjustable Intraocular Lens
Published on Jun 28, 20073857 Views
Ko se naše očesne leče z leti starajo, se pogosto razvije očesna mrena. Vsako leto se opravi preko 14 milijonov operacij, kjer se očesna mrena odstrani in se vsadijo umetne leče. S trenutno uveljavlje
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Chapter list
Sculpting Implants in situ: Light-Adjustable Intraocular Lens00:00
Motivation03:48
Clinical Need06:19
Design Principles for New Polymers06:45
Light-induced changes in shape and refractive index10:24
Simple Characterization of Lenses13:36
Example of Power Change15:21
Adjustments occur Overnight16:11
Biocompatibility of Material & Irradiation: in vivo evaluation in rabbit 17:06
Adjustments in vivo are Precise and Predictable17:33
Precise Myopic, Hyperopic & Astigmatic Adjustments18:53
Clinical Implementation19:42
Digital Mirror Device Projects Any Desired Intensity Profile20:29
It works in rabbits, but does it work in people?21:17
Results in Clinical Trials22:33
Arbitrary Wavefront Correction23:14
Restoring Distance & Near Vision24:07
Strategies for “Built-in Bifocals”25:45
Irradiate to Add Multiple Zones26:58
Irradiate to Add a Diffractive Lens28:06
USAF Target Images28:17
Irradiation Patterns29:20
Predicting Shape Change: Is this a previously solved problem?30:14
Some Interesting Features31:23
Diffusion and Deformation in Polymeric Gels33:09
Important Processes35:18
Important Processes: Relevant Parameters36:55
Inter-Relationships among the Processes38:52
Conclusions & Future Directions42:50