Intrastromal Corneal Ring for High Astigmatism on Postkeratoplasty
Launched by INSTITUTO DE OLHOS DE GOIANIA · Nov 23, 2009
Trial Information
Current as of July 21, 2025
Completed
Keywords
ClinConnect Summary
Eighteen eyes of 18 patients, 8 men and 10 women, with high levels (\> 5 diopters \[D\]) of postkeratoplasty astigmatism were studied in a nonrandomized, retrospective, observational case series. Mean age at the time of ICRS implantation was 38 years, range 22 to 49 years. PK was performed to treat keratoconus in 15 patients, corneal scar after trauma in 2 patients, and Fuchs endothelial dystrophy in 1 patient. All patients were spectacle and contact lens intolerant. There was no active corneal disease or problem apart from high astigmatism.
Minimum time of ICRS implantation was 2 years af...
Gender
ALL
Eligibility criteria
- Inclusion Criteria:
- • \> 5 diopters of postkeratoplasty astigmatism
- • Patients 21 to 50 years old
- • Conventional treatments have failed
- Exclusion Criteria:
- • Diabetes
- • Autoimmune diseases
About Instituto De Olhos De Goiania
Instituto de Olhos de Goiânia is a leading ophthalmic research and clinical care institution dedicated to advancing eye health through innovative research and comprehensive patient services. With a focus on clinical trials, the institute collaborates with healthcare professionals and researchers to evaluate new treatments and technologies in ophthalmology. By prioritizing patient safety and ethical standards, Instituto de Olhos de Goiânia aims to contribute significantly to the field of eye care, enhancing the quality of life for individuals with vision-related conditions.
Contacts
Jennifer Cobb
Immunology at National Institute of Allergy and Infectious Diseases (NIAID)
Locations
Goiânia, Go, Brazil
Patients applied
Trial Officials
Belquiz A Nassaralla
Study Chair
Instituto de Olhos de Goiânia
Timeline
First submit
Trial launched
Trial updated
Estimated completion
Not reported
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