Posterior Pole Asymmetry Analysis (PPAA) for Early Glaucoma

Dr T V Patel Eye Institute

Status: Completed

Conditions: Glaucoma

Study type: Observational

Funder types: Other

Identifiers

NCT02141594

OCT PPAA in early glaucoma

Details and patient eligibility

About

Spectrailis optical coherence tomography has come with a new posterior pole asymmetry analysis for glaucoma diagnosis. The aim of the investigators study was to assess its applicability in diagnosing early glaucoma patients.

Enrollment: 156 patients

Sex: All

Ages: 49 to 80 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• Age more than 18 years
• Best corrected visual acuity 20/40 or better
• Refractive error within ±5D sphere and ±3D cylinder
• Willingness to participate in the study

Exclusion criteria

• Media opacities preventing imaging
• Intraocular surgery within the last 6 months
• Any retinal or neurological disease other than glaucoma that could confound the results of visual field examination and OCT.

Trial design

156 participants in 2 patient groups

Early glaucoma

Description:

The study group consisted of consecutive unilateral glaucoma patients, categorized as early stage by Hodapp-Anderson-Parrish classification.

Normal subjects

Description:

Normal control subjects had a normal ocular examination, Intraocular pressure (IOP) \<22 mmHg, no past history of high IOP, no family history of glaucoma, normal optic disc morphology and visual field in both eyes. One eye of control subject was randomly selected.