Pterygium
Conditions
Interventions
Two groups:A standard surgical technique versus Ologen device
(to be continued):Ologen device has a rectangular shape with 95% porous space. The pore size ranges from 10 to 300 µm. It comes in dry form consisting of over 90% lyophilized atelo-collagen and less t
(to be continued):After implantation, the device dissolves slowly and is completely degraded within 90-180 days. The ologen is sterilized using gamma radiation.
Sponsors
Department of Ophthalmology and Visual Sciences, the Chinese University of Hon Kong
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1) Age 18 years or over; 2) Subject who diagnosed with pterygium requiring excision; 3) Subject able and willing to cooperate with investigation plan; 4) Subject able and willing to complete postoperative follow-up requirements; 5) Subject willing to sign informed consent form.
Exclusion criteria
Exclusion criteria: 1) Known allergic reaction to collagen; 2) Co-existing ocular infection or inflammation; 3) Pregnant or breast-feeding women.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Pterygium recurrence rate at the end of 12 months postoperatively; | — |
Secondary
| Measure | Time frame |
|---|---|
| Complications associated with the surgery;Best-corrected visual acuity at the end of 12 months; | — |
Countries
China
Contacts
Public ContactDr. Jhanji, Vishal
The Chinese University of Hong Kong
Outcome results
None listed