Full ocular biometry through dual-depth whole-eye optical coherence tomography
| Autor: | Hyung Jin Kim, Min Gyu Hyeon, Minji Kim, Youngwoon Choi, Beop Min Kim |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
Visual acuity
genetic structures Computer science medicine.medical_treatment Measure (physics) Iterative reconstruction 01 natural sciences Article 010309 optics 03 medical and health sciences 0302 clinical medicine Optical coherence tomography Refractive surgery 0103 physical sciences medicine Computer vision Physics Retina medicine.diagnostic_test Orthogonal polarization spectral imaging business.industry Eye movement Image segmentation Atomic and Molecular Physics and Optics eye diseases Optical axis Three dimensional imaging medicine.anatomical_structure 030221 ophthalmology & optometry Human eye sense organs Artificial intelligence medicine.symptom Biological imaging business Biotechnology Biomedical engineering |
| Zdroj: | Conference on Lasers and Electro-Optics. |
| DOI: | 10.1364/cleo_at.2018.jtu2a.94 |
| Popis: | We propose a new method of determining the optical axis (OA), pupillary axis (PA), and visual axis (VA) of the human eye by using dual-depth whole-eye optical coherence tomography (OCT). These axes, as well as the angles "α" between the OA and VA and "κ" between PA and VA, are important in many ophthalmologic applications, especially in refractive surgery. Whole-eye images are reconstructed based on simultaneously acquired images of the anterior segment and retina. The light from a light source is split into two orthogonal polarization components for imaging the anterior segment and retina, respectively. The OA and PA are identified based on their geometric definitions by using the anterior segment image only, while the VA is detected through accurate correlation between the two images. The feasibility of our approach was tested using a model eye and human subjects. |
| Databáze: | OpenAIRE |
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