Light scattering from a diffractive-refractive intraocular lens: a goniometer-based approach for individual zone assessment
We proposed and tested a method to measure light scattering from the diffractive lens profile in an echelle element featuring 9 zones. Measurements were performed using a goniometer-based setup up to 7.5°. The proportion of scattered light was calculated to derive the loss of light. Material scatter...
Gespeichert in:
| Hauptverfasser: | , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
November 30, 2022
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| In: |
Biomedical optics express
Year: 2022, Jahrgang: 13, Heft: 12, Pages: 6724-6732 |
| ISSN: | 2156-7085 |
| DOI: | 10.1364/BOE.474778 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1364/BOE.474778 Verlag, lizenzpflichtig, Volltext: https://opg.optica.org/boe/abstract.cfm?uri=boe-13-12-6724 
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| Verfasserangaben: | Grzegorz Łabuz, Thomas J.T.P. van den Berg, Gerd U. Auffarth, and Ramin Khoramnia |
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| 520 | |a We proposed and tested a method to measure light scattering from the diffractive lens profile in an echelle element featuring 9 zones. Measurements were performed using a goniometer-based setup up to 7.5°. The proportion of scattered light was calculated to derive the loss of light. Material scattering was minimal (∼1 deg2/sr); however, each echelle zone acted as a scattering source. A nearly gradual straylight increase was found with the zone number showing peak intensity between 3° and 3.75°. An estimated 6.2% ± 0.1% was lost due to scattering, which ought to be considered when reporting an IOL’s light loss. | ||
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