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Early clear lens extraction and implantation of different intraocular lenses in patients with primary angle-closure glaucoma---an non-randomized controlled study

Early clear lens extraction and implantation of different intraocular lenses in patients with primary angle-closure glaucoma---an non-randomized controlled study

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2300075822
Enrollment
Unknown
Registered
2023-09-15
Start date
2023-09-01
Completion date
Unknown
Last updated
2023-09-18

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

Conditions

primary angle-closure glaucoma

Interventions

Experimental group:Clear lens extraction +IOL implantation+separation of anterior chamber angle were performed, and functional intraocular lens was implanted during the operation.
control group:Clear lens extraction +IOL implantation+separation of anterior chamber angle were performed, and monofocal intraocular lens was implanted during the operation.

Sponsors

Tongji hospital affiliated to Huazhong University of Science and Technology
Lead Sponsor

Eligibility

Sex/Gender
All
Age
45 Years to 70 Years

Inclusion criteria

Inclusion criteria: (1) There is an iris trabecular contact (ITC) of = 180, and there is no peripheral anterior synechia (PAS) and elevated intraocular pressure; (2) No optic nerve damage; (3) There is no obvious contraindication for operation and the whole body is in good condition; (4) Age: 45-70 years old.

Exclusion criteria

Exclusion criteria: (1) According to the diagnosis system of angle-closure glaucoma in China, patients with acute angle-closure glaucoma were diagnosed as grand attack stage, chronic progressive stage and absolute stage; (2) Secondary glaucoma caused by other ophthalmic diseases or trauma; (3) Patients with cataract; (4) Other eye history, eye injury history and eye surgery history; (5) those who cannot cooperate with the inspectors; (6) One of the above situations will be excluded.

Design outcomes

Primary

MeasureTime frame
Defocus curve;Vision questionnaire;

Secondary

MeasureTime frame
sight;intraocular pressure;Optical tomography of anterior segment;

Countries

China

Contacts

Public ContactJunming Wang

Tongji hospital affiliated to Huazhong University of Science and Technology

eyedrwjm@163.com+86 138 8616 9836

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026