Ray tracing optimization: a new method for intraocular lens power calculation in regular and irregular corneas Article Swipe
Pablo Pérez‐Merino
,
Jaime Aramberri
,
Andrés Vásquez Quintero
,
J. Rozema
·
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.21203/rs.3.rs-2325082/v1
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.21203/rs.3.rs-2325082/v1
To develop a novel algorithm based on ray tracing, simulated visual performance and through-focus optimization for an accurate intraocular lens (IOL) power calculation. Custom-developed algorithms for ray tracing optimization (RTO) were used to combine the natural corneal higher-order aberrations (HOAs) with multiple sphero-cylindrical corrections in 210 higher order statistical eye models for developing keratoconus. The magnitude of defocus and astigmatism producing the maximum Visual Strehl was considered as the optimal sphero-cylindrical target for IOL power calculation. Corneal astigmatism and the RMS HOAs ranged from − 0.64 ± 0.35D and 0.10 ± 0.04 µm (0-months) to -3.15 ± 1.38D and 0.82 ± 0.47 µm (120-months). Defocus and astigmatism target was close to neutral for eyes with low amount of HOAs (0 and 12-months), where 91.66% of eyes agreed within ± 0.50D in IOL power calculation (RTO vs. SRK/T). However, corneas with higher amounts of HOAs presented greater visual improvement with an optimized target. In these eyes (24- to 120-months), only 18.05% of eyes agreed within ± 0.50D (RTO vs. SRK/T). The power difference exceeded 3D in 42.2% while the cylinder required adjustments larger than 3D in 18.4% of the cases. Certain amounts of lower and HOAs may interact favourably to improve visual performance, shifting therefore the refractive target for IOL power calculation.
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Metadata
- Type
- preprint
- Language
- en
- Landing Page
- https://doi.org/10.21203/rs.3.rs-2325082/v1
- https://www.researchsquare.com/article/rs-2325082/latest.pdf
- OA Status
- green
- References
- 38
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4310759490
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4310759490Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.21203/rs.3.rs-2325082/v1Digital Object Identifier
- Title
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Ray tracing optimization: a new method for intraocular lens power calculation in regular and irregular corneasWork title
- Type
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preprintOpenAlex work type
- Language
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enPrimary language
- Publication year
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2022Year of publication
- Publication date
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2022-12-06Full publication date if available
- Authors
-
Pablo Pérez‐Merino, Jaime Aramberri, Andrés Vásquez Quintero, J. RozemaList of authors in order
- Landing page
-
https://doi.org/10.21203/rs.3.rs-2325082/v1Publisher landing page
- PDF URL
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https://www.researchsquare.com/article/rs-2325082/latest.pdfDirect link to full text PDF
- Open access
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YesWhether a free full text is available
- OA status
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greenOpen access status per OpenAlex
- OA URL
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https://www.researchsquare.com/article/rs-2325082/latest.pdfDirect OA link when available
- Concepts
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Aberrations of the eye, Astigmatism, Ray tracing (physics), Mathematics, Intraocular lens, Lens (geology), Ophthalmology, Optics, Computer science, Visual acuity, Physics, MedicineTop concepts (fields/topics) attached by OpenAlex
- Cited by
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0Total citation count in OpenAlex
- References (count)
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38Number of works referenced by this work
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10Other works algorithmically related by OpenAlex
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| primary_location.license_id | https://openalex.org/licenses/cc-by |
| primary_location.is_accepted | True |
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| publication_date | 2022-12-06 |
| publication_year | 2022 |
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| abstract_inverted_index.3D | 174, 184 |
| abstract_inverted_index.In | 153 |
| abstract_inverted_index.To | 1 |
| abstract_inverted_index.an | 17, 150 |
| abstract_inverted_index.as | 68 |
| abstract_inverted_index.in | 45, 131, 175, 185 |
| abstract_inverted_index.of | 57, 118, 125, 143, 161, 187, 192 |
| abstract_inverted_index.on | 7 |
| abstract_inverted_index.to | 33, 95, 111, 157, 199 |
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| abstract_inverted_index.210 | 46 |
| abstract_inverted_index.IOL | 74, 132, 209 |
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| abstract_inverted_index.The | 55, 170 |
| abstract_inverted_index.and | 13, 59, 79, 89, 99, 106, 121, 194 |
| abstract_inverted_index.eye | 50 |
| abstract_inverted_index.for | 16, 26, 52, 73, 113, 208 |
| abstract_inverted_index.low | 116 |
| abstract_inverted_index.may | 196 |
| abstract_inverted_index.ray | 8, 27 |
| abstract_inverted_index.the | 35, 62, 69, 80, 178, 188, 205 |
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| abstract_inverted_index.µm | 93, 103 |
| abstract_inverted_index.− | 85 |
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| abstract_inverted_index.(RTO | 135, 167 |
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| abstract_inverted_index.0.10 | 90 |
| abstract_inverted_index.0.47 | 102 |
| abstract_inverted_index.0.64 | 86 |
| abstract_inverted_index.0.82 | 100 |
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| abstract_inverted_index.eyes | 114, 126, 155, 162 |
| abstract_inverted_index.from | 84 |
| abstract_inverted_index.lens | 20 |
| abstract_inverted_index.only | 159 |
| abstract_inverted_index.than | 183 |
| abstract_inverted_index.used | 32 |
| abstract_inverted_index.were | 31 |
| abstract_inverted_index.with | 41, 115, 140, 149 |
| abstract_inverted_index.(IOL) | 21 |
| abstract_inverted_index.(RTO) | 30 |
| abstract_inverted_index.-3.15 | 96 |
| abstract_inverted_index.0.35D | 88 |
| abstract_inverted_index.0.50D | 130, 166 |
| abstract_inverted_index.1.38D | 98 |
| abstract_inverted_index.18.4% | 186 |
| abstract_inverted_index.42.2% | 176 |
| abstract_inverted_index.based | 6 |
| abstract_inverted_index.close | 110 |
| abstract_inverted_index.lower | 193 |
| abstract_inverted_index.novel | 4 |
| abstract_inverted_index.order | 48 |
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| abstract_inverted_index.while | 177 |
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| abstract_inverted_index.91.66% | 124 |
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| abstract_inverted_index.Certain | 190 |
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| abstract_inverted_index.Defocus | 105 |
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| abstract_inverted_index.astigmatism | 60, 78, 107 |
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| abstract_inverted_index.improvement | 148 |
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| abstract_inverted_index.statistical | 49 |
| abstract_inverted_index.120-months), | 158 |
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| abstract_inverted_index.Custom-developed | 24 |
| abstract_inverted_index.sphero-cylindrical | 43, 71 |
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