Ignite Creation Date:
2025-12-25 @ 2:34 AM
Ignite Modification Date:
2026-03-02 @ 6:24 PM
Study NCT ID:
NCT02362334
Status:
UNKNOWN
Last Update Posted:
2015-02-18
First Post:
2015-02-09
Is NOT Gene Therapy:
True
Has Adverse Events:
False
Brief Title:
IOL Power Calculation Using Dual Schiempflug Analyzer
Sponsor:
Organization:
Raw JSON
{'hasResults': False, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24'}, 'conditionBrowseModule': {'meshes': [{'id': 'D002386', 'term': 'Cataract'}], 'ancestors': [{'id': 'D007905', 'term': 'Lens Diseases'}, {'id': 'D005128', 'term': 'Eye Diseases'}]}}, 'protocolSection': {'designModule': {'studyType': 'OBSERVATIONAL', 'designInfo': {'timePerspective': 'PROSPECTIVE'}, 'enrollmentInfo': {'type': 'ESTIMATED', 'count': 140}, 'patientRegistry': False}, 'statusModule': {'overallStatus': 'UNKNOWN', 'lastKnownStatus': 'RECRUITING', 'startDateStruct': {'date': '2014-10'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2014-10', 'completionDateStruct': {'date': '2015-02', 'type': 'ESTIMATED'}, 'lastUpdateSubmitDate': '2015-02-15', 'studyFirstSubmitDate': '2015-02-09', 'studyFirstSubmitQcDate': '2015-02-11', 'lastUpdatePostDateStruct': {'date': '2015-02-18', 'type': 'ESTIMATED'}, 'studyFirstPostDateStruct': {'date': '2015-02-12', 'type': 'ESTIMATED'}, 'primaryCompletionDateStruct': {'date': '2015-02', 'type': 'ESTIMATED'}}, 'outcomesModule': {'primaryOutcomes': [{'measure': 'Ocular parameters', 'timeFrame': 'Single point', 'description': 'Parameters measured using two devices were compared at a single point'}, {'measure': 'Calculated IOL powers', 'timeFrame': 'Single point', 'description': 'Calculated IOL powers using two devices were compared at a single point'}]}, 'oversightModule': {'oversightHasDmc': False}, 'conditionsModule': {'keywords': ['dual Sheimpflug analyzer', 'intraocular lens power', 'optical low-coherence reflectometry'], 'conditions': ['Cataract']}, 'descriptionModule': {'briefSummary': 'This study evaluates the various ocular parameters which are necessary for ocular biometry and the calculated IOL powers using both dual Schiempflug analyzer and optical low-coherence refelctometry.', 'detailedDescription': 'The measured keratometry, axial length, anterior chamber depth, lens thickness, white-to-white corneal diameter, and calculated IOL powers using various formulas including Hoffer Q, Holladay I, SRK II and SRK T measured by dual Schiempflug analyzer and optical low-coherence refelctometry will be compared.'}, 'eligibilityModule': {'sex': 'ALL', 'stdAges': ['ADULT', 'OLDER_ADULT'], 'minimumAge': '20 Years', 'samplingMethod': 'NON_PROBABILITY_SAMPLE', 'studyPopulation': '140 eyes of patients who scheduled for cataract surgery', 'healthyVolunteers': False, 'eligibilityCriteria': 'Inclusion Criteria:\n\n* axial length between 21.0 and 27.0 mm\n* older than 20 years old\n\nExclusion Criteria:\n\n* other ophthalmic diseases such as severe dry eye, glaucoma, and age-related macular degeneration\n* previous ophthalmic surgery including cataract surgery, and refractive surgery\n* very dense media which cannot be measured by the optical biometries\n* severe zonulysis'}, 'identificationModule': {'nctId': 'NCT02362334', 'briefTitle': 'IOL Power Calculation Using Dual Schiempflug Analyzer', 'organization': {'class': 'OTHER', 'fullName': 'Chuncheon Sacred Heart Hospital'}, 'officialTitle': 'Precision of Optical Biometry and Intraocular Lens Power Calculation Using Dual Schiempflug Analyzer', 'orgStudyIdInfo': {'id': 'ChuncheonSHH'}}, 'contactsLocationsModule': {'locations': [{'zip': '200-798', 'city': 'Chuncheon', 'status': 'RECRUITING', 'country': 'South Korea', 'contacts': [{'name': 'Kyung Eun Han, MD', 'role': 'CONTACT', 'email': 'hkeoph@gmail.com', 'phone': '82-10-3084-6646'}], 'facility': 'Chuncheon Sacred Heart Hospital', 'geoPoint': {'lat': 37.87472, 'lon': 127.73417}}], 'centralContacts': [{'name': 'Kyung Eun Han, MD', 'role': 'CONTACT', 'email': 'hkeoph@gmail.com', 'phone': '82-10-3084-6646'}], 'overallOfficials': [{'name': 'Kyung Eun Han, MD', 'role': 'STUDY_CHAIR', 'affiliation': 'Clinical associate professor'}]}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'Chuncheon Sacred Heart Hospital', 'class': 'OTHER'}, 'responsibleParty': {'type': 'SPONSOR'}}}}