Visual Disorders in Parkinson's Disease

Visual Disorders in Parkinson's Disease - Vision in PD

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

NL-OMON

Registry ID

NL-OMON42851

Enrollment

Registered

2016-11-01

Start date

2017-04-20

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

Parkinsons Parkinson's disease

Interventions

None listed

Eligibility

Age

18 Years to 99 Years

Inclusion criteria

Inclusion criteria: Patients that were diagnosed with PD by a neurologist at age >30 years at time of diagnosis will be included.

Exclusion criteria

Exclusion criteria: - Previous eye surgery other than phacoemulsification for cataract - blindness in 1 eye. - Medication that influences normal visual function other than PD medication13 (parasympathicolytic function, phenothiazines, sulphonamides, tetracyclines, isotretinoïn). - Systemic diseases associated with eye problems14 (sjögren*s disease, marfan, myotonic dystrophy, M. Bechterew, M. Wegener). - History of lesions near the optic chiasm or occipital cortex (e.g. tumor, infarct, bleed); migraine.

Design outcomes

Primary

Measure	Time frame
Endpoints include both ophthalmological outcomes and clinical outcomes.	—

Secondary

Measure	Time frame
n.a.	—

Countries

Netherlands

Outcome results