{"doi":"10.1364/boe.551625","title":"Development of next generation low-cost OCT towards improved point-of-care retinal imaging","abstract":"Low-cost optical coherence tomography (OCT) has shown promise in increasing access to noninvasive retinal imaging at the point of care, especially in low-resource environments. A next-generation low-cost OCT system is presented which improves performance over previous versions by employing balanced detection, improved spectrometer falloff, and an increased A-line rate of 40 kHz. An algorithm is presented for image display that uses a histogram matching procedure to improve contrast-to-noise ratio (CNR). Imaging performance is benchmarked with CNR analysis of retinal OCT images, demonstrating a CNR of 2.01 ± 0.39 (p < 0.0001) for macula images collected during a clinical trial, a significant improvement over previous low-cost OCT systems.","journal":"Biomedical Optics Express","year":2025,"id":516920,"datarank":0.0,"base_score":0.0,"endowment":0.0,"self_citation_contribution":0.0,"citation_network_contribution":0.0,"self_endowment_contribution":0.0,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":8,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.9596,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2025-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":505335,"name":"Ge Song","orcid":"0000-0002-1070-0751","position":1,"is_corresponding":false},{"id":1377038,"name":"Wan Wang","orcid":"0000-0002-9847-2887","position":2,"is_corresponding":false},{"id":1297692,"name":"Erin C. O’Kane","orcid":null,"position":3,"is_corresponding":false},{"id":1377037,"name":"Kechao Lu","orcid":"0000-0003-4875-6379","position":4,"is_corresponding":false},{"id":646045,"name":"Evan T. Jelly","orcid":"0000-0003-4678-9716","position":5,"is_corresponding":false},{"id":409025,"name":"David A. Miller","orcid":"0000-0002-1630-1233","position":6,"is_corresponding":false},{"id":505338,"name":"Adam Wax","orcid":"0000-0002-1827-5112","position":7,"is_corresponding":false},{"id":530622,"name":"Hillel Price","orcid":"0000-0002-5299-9421","position":0,"is_corresponding":true}],"reference_count":24,"raw_metadata":null,"created_at":"2026-07-19T02:48:54.768083Z","pmid":"39958865","pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}