Not applicableUnknownNCT02722291What this trial is testingFunctional and Physiological Changes Induced by Pinhole Glasses in PresbyopiaWho this might be right forPinhole Chung-Ang University Hospital 40
Not applicableActive Not RecruitingNCT07162207What this trial is testingBi-layer Collagen Membrane Versus Subepithelial Connective Tissue Graft in the Treatment of Localized Gingival RecessionWho this might be right forGingival Recession, Localized Ain Shams University 18
Not applicableStudy completedNCT04513041What this trial is testingPinhole Versus Tunnel for Soft Tissue RecessionWho this might be right forGingival Recession Mohanad Al-Sabbagh 21
Not applicableNot Yet RecruitingNCT07559188What this trial is testingProof-of-Concept for a Novel Optical Aperture Contact Lens in Presbyopia and KeratoconusWho this might be right forKeratoconusPresbyopiaScleral Contact Lenses+1 more Azalea Vision 16
Not applicableStudy completedNCT07763223What this trial is testingSub-junctional Pinhole TechniqueWho this might be right forPeriodontal Intrabony DefectsStage III Grade B Periodontitis Al-Azhar University 10
Not applicableStudy completedNCT03557346What this trial is testingObjective Verification of Physiologic Changes During Accommodation Under Binocular, Monocular, and Pinhole ConditionsWho this might be right forAccommodation Chung-Ang University Hospital 64
Not applicableLooking for participantsNCT06670768What this trial is testingMyocardial Perfusion Quantification With SPECT Using Multi-Pinhole Collimator Compared to Photon-Counting Coronary CTAWho this might be right forCoronary Artery DiseaseCoronary Computed Tomography AngiographySPECT+6 more Semmelweis University 50
Not applicableStudy completedNCT02612584What this trial is testingClinical Efficacy of the Pinhole Soft Contact Lenses for Correcting PresbyopiaWho this might be right forPresbyopia Yonsei University 30
Not applicableEnded earlyNCT05513027What this trial is testingAugmented Whole-body Scanning Via Magnifying PET/CT (AWSM-PET/CT) Techniques Abilities to Improve Upon the Diagnostic Accuracy of the Standard-of-care (SOC) PET/CT for Malignant Lesion DetectionWho this might be right forCancer Washington University School of Medicine 11
Not applicableStudy completedNCT04356391What this trial is testingPinhole Surgical Technique Compared to Connective Tissue Graft in Treatment of Gingival RecessionWho this might be right forPeriodontal Diseases State University of New York at Buffalo 43
Testing effectiveness (Phase 2)UnknownNCT04202198What this trial is testingPinhole Surgical Technique for Root Coverage Using PRFWho this might be right forRecession, Gingival Krishnadevaraya College of Dental Sciences & Hospital 20
Not applicableUnknownNCT02111356What this trial is testingDetermine Functions of Pinhole Glasses on the EyesWho this might be right forVision, Ocular Chung-Ang University Hospital 30
Not applicableStudy completedNCT02854345What this trial is testingPreliminary Study Concerning the Validity of Parathyroid Exploration on a CZT CameraWho this might be right forPrimary Hyperparathyroidism Centre Hospitalier Universitaire de Besancon 45
Not applicableUnknownNCT05516017What this trial is testingThe Effect of Pinhole Glasses on Vestibular Electrical StimulationWho this might be right forVertigo, Peripheral Istanbul University 100
Post-approval studies (Phase 4)UnknownNCT02632968What this trial is testingPinhole Surgical Technique With And Without Use Of Buttons For Treatment Of Multiple Gingival Recessions: RCTWho this might be right forGingival Recession Krishnadevaraya College of Dental Sciences & Hospital 80
Not applicableUnknownNCT02572544What this trial is testingComparison of Objective and Subjective Changes Induced by Multiple Pinhole Glasses and Single Pinhole GlassesWho this might be right forFunctional Vision Changes Chung-Ang University Hospital 30