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A Study on Vision Problems in People with Parkinson s Disease and Their Impact on Daily Activities

Visual Field Defects in Parkinson s Disease: A Cross-Sectional Study on Their Clinical Patterns and Impact on Vision-Related Activities of Daily Living - NIL

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2025/08/092668
Enrollment
100
Registered
2025-08-08
Start date
Unknown
Completion date
Unknown
Last updated
2025-08-18

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

Conditions

Health Condition 1: G20- Parkinsons disease

Interventions

Intervention1: Nil: Nil Intervention2: Nil: No separate control group is included, as this is a single-arm observational study of diagnosed Parkinson s Disease patients. Control Intervention1: Nil: N

Sponsors

Dr Priti Singh
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Diagnosed Parkinson s Disease (Hoehn and Yahr Stage I IV) Age above 40 years (to exclude young-onset Parkinson s Disease) Ability to complete visual field testing and related questionnaires

Exclusion criteria

Exclusion criteria: Severe cognitive impairment (as per MMSE assessment) Advanced dementia or psychiatric illness interfering with participation Ocular conditions independently causing visual field loss (e.g., advanced glaucoma, retinal dystrophies) Recent ocular surgery within the past 3 months

Design outcomes

Primary

MeasureTime frame
Correlation between visual field defects and disease severity, cognitive function (MoCA), and vision-related quality of life (NEI VFQ-25)Timepoint: At baseline and at 9 months—

Secondary

MeasureTime frame
Identification of visual field defect subtypes using cluster analysis of perimetry dataTimepoint: At the end of data collection phase (Month 6 9)—

Countries

India

Contacts

Public ContactDr Priti Singh

All India Institute of Medical Sciences, Bhopal

priti.ophtho@aiimsbhopal.edu.in9993896479

Outcome results

None listed

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