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Official scientific title of the study: Clinical evaluation of the patients after cataract surgery implanted intraocular lens with prolate anterior surface or spherical surface

Official scientific title of the study: Clinical evaluation of the patients after cataract surgery implanted intraocular lens with prolate anterior surface or spherical surface - Clinical evaluation of the patients after cataract surgery implanted intraocular lens with prolate anterior surface or spherical surface

Status
Unknown
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-C000000438
Enrollment
270
Registered
2006-06-30
Start date
2006-06-01
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

spherical surface intraocular lens(MA60BM) implanted eye prolate anterior surface intra ocular lens(ZA9003) normal volunteer without exclusion criteria

Sponsors

Jichi medical university, department of ophthalmology
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Patients aged 30 to 90 years with cataract visually impaired 2) Patients expected that the postoperative visual acuity were 0.8 or better.

Exclusion criteria

Exclusion criteria: 1)Diabetic mellitus 2)Pseudoexforiation 3) operated laser iridotomy 4) ocular pathology other than cataract, cornea disease, uveitis, neurologic disease, glaucoma 5) elongated postoperative inflammation 6) drugs influenced on pupil size

Design outcomes

Primary

MeasureTime frame
preoperative and postoperative period; after one week, one month, and three month. visual acuity, contrast sensitivity, intraocular lens tilting, intraocular decentering, wave front analysis, pupil size—

Countries

Japan

Outcome results

None listed

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