Study on efficacy of pinhole contact lens to correct presbyopia

Not Applicable

• Conditions: myopia, myopic astigmatism and presbyopia

• Registration Number: JPRN-UMIN000029290
• Lead Sponsor: Keio University School of Medicine Department of Ophthalmology

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2017-09-27
• Study Completion: 2018-06-21
• Last Update Posted: 17 October 2023

Recruitment & Eligibility

• Status: Complete: follow-up complete
• Sex: All
• Target Recruitment: 40

Inclusion Criteria

Not provided

Exclusion Criteria

1) multifocal CLs users 2)toric CLs users 3) usershard CLs users 4) Subjects who cannot wear a contact lens 5) Corneal endothelial cell density < 2000/ mm2 6) Corneal diameter < 10 mm 7) Subjects who have ocular diseases affecting visual function except for refractive error and presbyopia 8) A pregnant woman, a woman nursing or woman with the plan of the pregnancy 9) The patient (AIDS, autoimmune disease) with the immune disease or diabetic 10) The person who cannot follow the instructions of the ophthalmologist 11) Extremely nervous persons 12) Person who are not able to undergo examinations 13) In addition, the person who are judged unsuitable to use pinhole contact lens by ophthalmologists

Study & Design

• Study Type: Interventional
• Study Design: Not specified