{"type":"trials","record":{"id":42252,"source_id":"clinicaltrials-gov","external_id":"NCT05437302","title":"Effectiveness of Prism Spectacles in Patients With Age Related Macular Degeneration","brief_summary":"A study is conducted to determine the effectiveness of prism spectacles in improving visual acuity with age related macular degeneration patients and to assess the improvement in quality of life in patients by using prism spectacles.","overall_status":"Completed","phases":[],"study_type":"INTERVENTIONAL","sponsor":"University of Faisalabad","enrollment":80,"countries":["Pakistan"],"start_date":"2021-10-04","completion_date":"2022-05-31","last_update_date":"2022-06-29","source_url":"https://clinicaltrials.gov/study/NCT05437302","editorial_summary":"A registered study indexed because it matched monitored longevity research terms. Registry status: Completed. 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":"50 Years","comparator":"non interventional","organization":"University of Faisalabad","interventions":["prism spectacle"],"registry_source":"ClinicalTrials.gov","outcome_measures":["Visual Acuity — Four week","Visual Functional Quality of life (VFQOL) — Four weeks"],"design_description":"RANDOMIZED · PARALLEL · SUPPORTIVE CARE · NONE","source_has_results":false},"controlled_terms":["Age-Related Macular Degeneration","prism spectacle"],"relevance_confidence":60,"source_quality_score":100,"freshness_score":50,"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:nct05437302","duplicate_of_id":null,"evidence_snapshot":{"status":"structured","version":1,"duration":"2021-10-04 to 2022-05-31","comparator":"non interventional","confidence":"structured-source","population":"ALL · 50 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":"2026-09-25T06:20:47.941Z","intervention":["prism spectacle"],"participants":80,"study_design":"RANDOMIZED · PARALLEL · SUPPORTIVE CARE · 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":["Visual Acuity — Four week","Visual Functional Quality of life (VFQOL) — Four weeks"],"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/42252","automation_disclosure":"Generated automatically from cited source metadata. No scientist, clinician, researcher, editor, or human reviewer evaluates this publication before release."}