{"type":"trials","record":{"id":41467,"source_id":"clinicaltrials-gov","external_id":"NCT03848663","title":"Visual Remapping to Aid Reading With Field Loss","brief_summary":"Reading performance in patients with Central Vision Loss and age matched controls with artificial scotomas will be measured with and without different kinds of remapping of missing text to different parts of the visual field.","overall_status":"Recruiting","phases":[],"study_type":"INTERVENTIONAL","sponsor":"University of Minnesota","enrollment":108,"countries":["United States"],"start_date":"2022-02-01","completion_date":"2026-11-01","last_update_date":"2026-07-08","source_url":"https://clinicaltrials.gov/study/NCT03848663","editorial_summary":"A registered study indexed because it matched monitored longevity research terms. Registry status: Recruiting. Registration does not establish safety or effectiveness.","first_seen_at":"2026-09-25T01:25:30.378222+00:00","last_seen_at":"2026-09-25T06:20:47.789+00:00","metadata":{"sex":"ALL","acronym":null,"age_range":"16 Years","comparator":"Normally sighted with artificial scotoma","organization":"University of Minnesota","interventions":["Traditional Remapping","Personalized Remapping"],"registry_source":"ClinicalTrials.gov","outcome_measures":["Reading Speed for Individual Words — Measured during third visit- each visit is one day only and this measure refers to…","Reading Speed for Sentences — Measured during fourth visit- each visit is one day only and this measure refers to data…","Reading Speed for Natural Text Samples — Measured during fifth visit; each visit is one day only and this measure refer…","Reading error rate for Individual Words — Measured during third visit; each visit is one day only and this measure refe…","Reading error rate for Sentences — Measured during fourth visit; each visit is one day only and this measure refers to…","Reading error rate for Natural Text Samples — Measured during fifth visit; each visit is one day only and this measure…","Eye fixation quality for words — Measured during third visit; each visit is one day only and this measure refers to dat…","Eye fixation quality for sentences — Measured during fourth visit; each visit is one day only and this measure refers t…","Eye movement quality for sentences — Measured during fourth visit","Eye fixation quality for natural text samples — Measured during fifth visit; each visit is one day only and this measur…","Eye movement quality for natural text samples — Measured during fifth visit; each visit is one day only and this measur…"],"design_description":"NON RANDOMIZED · PARALLEL · TREATMENT · NONE","source_has_results":false},"controlled_terms":["Age-related Macular Degeneration","Traditional Remapping","Personalized Remapping"],"relevance_confidence":60,"source_quality_score":100,"freshness_score":100,"publication_state":"published","match_explanation":"Source terminology contains: age-related macular degeneration.","quality_checked_at":"2026-09-25T06:20:59.355028+00:00","duplicate_cluster_key":"id:nct03848663","duplicate_of_id":null,"evidence_snapshot":{"status":"structured","version":1,"duration":"2022-02-01 to 2026-11-01","comparator":"Normally sighted with artificial scotoma","confidence":"structured-source","population":"ALL · 16 Years","provenance":{"duration":"start_date and completion_date","comparator":"registry arm fields","population":"registry eligibility fields","intervention":"registry intervention fields","participants":"enrollment","study_design":"study_type and registry design fields","evidence_stage":"phases","reported_outcome":"not available","outcomes_measured":"registry outcome-measure fields"},"generated_at":"2026-09-25T06:20:47.818Z","intervention":["Traditional Remapping","Personalized Remapping"],"participants":108,"study_design":"NON RANDOMIZED · PARALLEL · TREATMENT · NONE","subject_scope":"Human clinical study registration","evidence_stage":"Phase not reported","safety_context":"Eligibility, adverse-event details, and clinical decisions must be checked in the official registry and with qualified clinicians.","source_support":"Structured registry protocol metadata; no finding-level conclusion is generated.","main_limitation":"This is a study registration. No reusable structured result is available here, so it cannot show whether the intervention worked or was safe.","reported_outcome":null,"outcomes_measured":["Reading Speed for Individual Words — Measured during third visit- each visit is one day only and this measure refers to…","Reading Speed for Sentences — Measured during fourth visit- each visit is one day only and this measure refers to data…","Reading Speed for Natural Text Samples — Measured during fifth visit; each visit is one day only and this measure refer…","Reading error rate for Individual Words — Measured during third visit; each visit is one day only and this measure refe…","Reading error rate for Sentences — Measured during fourth visit; each visit is one day only and this measure refers to…","Reading error rate for Natural Text Samples — Measured during fifth visit; each visit is one day only and this measure…","Eye fixation quality for words — Measured during third visit; each visit is one day only and this measure refers to dat…","Eye fixation quality for sentences — Measured during fourth visit; each visit is one day only and this measure refers t…","Eye movement quality for sentences — Measured during fourth visit","Eye fixation quality for natural text samples — Measured during fifth visit; each visit is one day only and this measur…","Eye movement quality for natural text samples — Measured during fifth visit; each visit is one day only and this measur…"],"regulatory_context":"Trial registration is not regulatory approval and does not establish that an intervention is available."},"clinical_trial_topics":[{"topic_slug":"vision-aging","is_published":true,"match_reasons":["Source terminology contains: age-related macular degeneration.","Source terminology supplies longevity context: age-related.","Study type is explicitly identified as INTERVENTIONAL."],"matched_fields":["controlled terminology","controlled context","study type"],"relevance_score":60,"intelligence_topics":{"name":"Vision ageing","slug":"vision-aging"}}],"content_sources":{"name":"ClinicalTrials.gov","homepage_url":"https://clinicaltrials.gov/"}},"canonical_url":"https://www.immortal.life/trials/41467","automation_disclosure":"Generated automatically from cited source metadata. No scientist, clinician, researcher, editor, or human reviewer evaluates this publication before release."}