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On the relation between the tear layer and the quality of visual acuity after cataract surgery

On the relation between the tear layer and the quality of visual acuity after cataract surgery - tear layer and the quality of visual acuity after cataract surgery

Status
Unknown
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000026970
Enrollment
300
Registered
2017-04-12
Start date
2017-03-01
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

cataract

Interventions

1 month after cataract operation Contrast sensitivity measurement Practical vision measurement Wave Front Analyzer Tear film layer imaging device Thermometer Schirmer test paper Tropicamide/phe

Sponsors

Toho university
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Toho University Medical Center Omori Hospital Ophthalmic Department of Ophthalmology,cataract surgery, understand the purpose of this research in patients whose corrected visual acuity is (0.8) or more at the consultation for 1 month after surgery Patient agreed with informed consent

Exclusion criteria

Exclusion criteria: Postoperative of juvenile cataract (less than 40 years old) Patients with a history of ophthalmic surgery other than cataract surgery Patients with ocular diseases other than cataract (diabetic retinopathy, retinal vein occlusion, retinal frontal membrane, glaucoma, uveitis, corneal opacity, corneal corruption astigmatism)

Design outcomes

Primary

MeasureTime frame
Tear Meniscus Volume Using the DR-1 Tear Specular Scope

Secondary

MeasureTime frame
Contrast sensitivity measurement Practical vision measurement Wave front analyzer Thermometer Schirmer test paper Tropicamide/phenylephrine

Countries

Japan

Contacts

Public ContactYUKINOBU OKAJIMA

Toho unversity omori hospital Ophthalmology

yukinobu.okajima@med.toho-u.ac.jp03-3762-4151

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026