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Plateau iris among patients with primary angle closure and primary angle closure glaucoma in the Philippine General Hospital

PHRR210104-003222

Plateau iris among patients with primary angle closure and primary angle closure glaucoma in the Philippine General Hospital

The objective of this study is to determine the prevalence of plateau iris in Filipino eyes diagnosed with primary angle closure and primary angle closure glaucoma in the Philippine General Hospital and to compare and analyze patient profiles and anterior segment biometric parameters between subjects with and without plateau iris.

Regime Classification Priority
2017 - 2022
Start Date Duration in Months Target Completion Date Actual Completion Date
2020-02-14 18 2021-08-14 0000-00-00

Ongoing

Institution Classification Region LTO #
University of the Philippines - Philippine General Hospital Government NCR
Institution Region
University of the Philippines - Philippine General Hospital, Department of Ophthalmology and Visual Sciences NCR
Name E-Mail Institution and Institution Address
Melissa Orteza-Sorra mosorra@up.edu.ph Philippine General Hospital, Taft Ave, Ermita, Manila, 1000 Metro Manila
Name E-Mail Institution and Institution Address
Melissa Orteza-Sorra mosorra@up.edu.ph Philippine General Hospital, Taft Ave, Ermita, Manila, 1000 Metro Manila
Name Expertise Affiliation
Christine S. Bell Ophthalmologist Cebu Institute of Medicine
Ma. Margarita L. Lat-Luna Ophthalmologist University of the Philippines - Philippine General Hospital
Melissa O. Orteza-Sorra Ophthalmologist University of the Philippines - Philippine General Hospital
Nilo Vincent de Guzman Florcruz II, MD, DPBO, FPAO Ophthalmologist University of the Philippines - Philippine General Hospital
Norman M. Aquino, MD Ophthalmologist University of the Philippines - Philippine General Hospital

The objective of this study is to determine the prevalence of plateau iris in Filipino eyes diagnosed with primary angle closure and primary angle closure glaucoma in the Philippine General Hospital and to compare and analyze patient profiles and anterior segment biometric parameters between subjects with and without plateau iris.

Plateau iris is defined in a quadrant if all the following are fulfilled:
1. The ciliary process is anteriorly directed, supporting the peripheral iris so that it is parallel to the trabecular meshwork
2. The iris root has a steep rise from its point of insertion followed by a downward angulation from the corneoscleral wall
3. Presence of a central flat iris plane
4. An absent ciliary sulcus
5. Irido-angle contact (above the level of the scleral spur) in the same quadrant

An eye is defined to have plateau iris if at least two quadrants fulfilled all these criteria. Additionally, iris insertion will also be qualitatively classified into basal, middle, and apical categories to further elucidate the relationship of iris insertion and development of angle closure.

Unspecified

Recruiting

  • Philippines

Non-clinical Studies

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