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A Prospective Randomized Clinical Trial on Larger-diameter Deep Anterior Lamellar Keratoplasty for Keratoconus

A Prospective Randomized Clinical Trial on Larger-diameter Deep Anterior Lamellar Keratoplasty for Keratoconus

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR-TRC-13003122
Enrollment
Unknown
Registered
2013-03-12
Start date
2005-09-01
Completion date
Unknown
Last updated
2017-04-18

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

Conditions

keratoconus

Interventions

Larger-diameter Deep Anterior Lamellar Keratoplast:Larger-diameter Deep Anterior Lamellar Keratoplast
Standard-diameter Deep Anterior Lamellar Keratopla:Standard-diameter Deep Anterior Lamellar Keratoplast

Sponsors

Zhongshan ophthalmic center, Sun Yat-sen University, Guangzhou, China
Lead Sponsor

Eligibility

Sex/Gender
All
Age
10 Years to 33 Years

Inclusion criteria

Inclusion criteria: 1. Patients with clinical diagnosis of keratoconus; 2. Patients who were intolerant to rigid gas permeable contact lenses, or unsuccessful contact lens fit and with poor spectacle-corrected visual acuity (lower than 4.5); 3. Corneal power >=50D.

Exclusion criteria

Exclusion criteria: 1. had acute keratoconus before or corneal edema; 2. Full-thickness corneal scar; 3. high IOP(intraocular pressure); 4. Allergic keratoconjunctivitis; 5. had accepted intraocular surgery.

Design outcomes

Primary

MeasureTime frame
postoperative uncorrected visual acuity;postoperative best spectacle-corrected visual acui;corneal topography;refractive sphere;manifest cylinde;—

Countries

China

Contacts

Public ContactTing Huang
thuang@vip.163.com+86 13682205425

Outcome results

None listed

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