Skip to content

Retinal blood vessel changes in eyes of Glaucoma patients with and without Diabetes

Peripapillary OCTA changes in glaucomatous eyes in patients with and without diabetes-A case control study

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2020/12/029846
Enrollment
64
Registered
2020-12-16
Start date
Unknown
Completion date
Unknown
Last updated
2021-11-24

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

Conditions

Health Condition 1: H401- Open-angle glaucoma Health Condition 2: E11- Type 2 diabetes mellitus Health Condition 3: H579- Unspecified disorder of eye and adnexa

Interventions

Intervention1: Glaucoma and no diabetes: Newly diagnosed and review patients of POAG and NTG without any history of systemic illness and no clinically detectable fundus pathology other than glaucoma.

Sponsors

Aravind Eye Hospital Pondicherry
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: • Best corrected visual acuity of 6/12 or better, with spherical refractive error between â?? 3 diopter to + 3 diopter and a cylindrical correction within 3 diopter • Normal anterior chamber depth and open angles • No history of intraocular surgery, except cataract surgery after the 1 st post- operative month • Willing to give written informed consent The participants will be included into one of these four groups: CASES (Patients with Glaucoma) Group 1 â?? Glaucoma and no diabetes Newly diagnosed and review patients of POAG and NTG without any history of systemic illness and no clinically detectable fundus pathology other than glaucoma. Group 2 â?? Glaucoma and Diabetes Newly diagnosed and the patients presenting for review visits with POAG or NTG, with type 2 diabetes mellitus of any duration, without any other systemic illness and having no clinically visible diabetic retinopathy changes. CONTROLS (Patients without glaucoma) Group 3 â?? Controls without diabetes 1. Individuals with no history or evidence of any retinal and eye pathology. 2. Individuals with no optic disc damage clinically and no history of any systemic or neurological diseases capable of causing visual field loss or optic disc deterioration. 3. IOP 4. Open Angles Group 4 â?? Controls with Diabetes 1. New or review patients with history of type 2 diabetes mellitus of any duration having no clinically visible diabetic retinopathy changes. 2. IOP 3. Open Angles

Exclusion criteria

Exclusion criteria: Patients with any media opacity including corneal opacity, cataract greater than nuclear cataract of grade NO3 and NC3, Cortical cataract of grade C3 and Posterior subcapsular cataract of grade P3 as per Lens Opacification Classification System III 8 • Any retinal or macular pathology. • Systemic illness other than type 2 diabetes mellitus

Design outcomes

Primary

MeasureTime frame
1.Peripapillary vessel density and capillary perfusion index 2.Area of Foveal avascular zone measured in mm 2Timepoint: At Baseline (Day 0)

Secondary

MeasureTime frame
Relation between diabetes induced retinal microvascular changes and severity of glaucomaTimepoint: At Baseline (Day 0)

Countries

India

Contacts

Public ContactDr MG Pavan Kumar

Aravind Eye Hospital Pondicherry

pavankumar@aravind.org9902542537

Outcome results

None listed

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