NCT03823092

Brief Summary

A study to assess the utility of human polarization pattern perception for the detection, diagnosis and monitoring of eye disease

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
300

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Nov 2017

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

November 9, 2017

Completed
1.2 years until next milestone

First Submitted

Initial submission to the registry

January 28, 2019

Completed
2 days until next milestone

First Posted

Study publicly available on registry

January 30, 2019

Completed
2 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2019

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2019

Completed
Last Updated

January 30, 2019

Status Verified

January 1, 2019

Enrollment Period

1.4 years

First QC Date

January 28, 2019

Last Update Submit

January 28, 2019

Conditions

Keywords

macular functionpolarization perceptionHaidinger's brushvision testingcataractage related macular degenerationpseudophakiamacular diseaseretinal disease

Outcome Measures

Primary Outcomes (1)

  • polarization sensitivity

    determine and compare polarization sensitivity between groups

    18 month

Study Arms (6)

Normal

phakic participants with no evidence of eye disorders

Diagnostic Test: polarization sensitivity

Cataract

participants with cataract

Diagnostic Test: polarization sensitivity

AMD

participants with age related macular degeneration

Diagnostic Test: polarization sensitivity

Pseudophakic

particpiants who have had cataract surgery with intraocular lens implant

Diagnostic Test: polarization sensitivity

other macula

participants with macular ddisorders other than AMD

Diagnostic Test: polarization sensitivity

DR

participants with diabetic retinopathy

Diagnostic Test: polarization sensitivity

Interventions

test of polarization vision as described in Study Description

AMDCataractDRNormalPseudophakicother macula

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Patients and staff of the Eye Department of South Warwickshire NHS Trust

You may qualify if:

  • \- willing and able to provide informed consent

You may not qualify if:

  • unwilling or unable to provide informed consent
  • individuals wishing to exit the study

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

South Warwickshire NHS Foundation Trust

Warwick, Warwickshire, CV37 0PZ, United Kingdom

RECRUITING

Related Publications (2)

  • Misson GP, Timmerman BH, Bryanston-Cross PJ. Human perception of visual stimuli modulated by direction of linear polarization. Vision Res. 2015 Oct;115(Pt A):48-57. doi: 10.1016/j.visres.2015.08.004. Epub 2015 Aug 28.

  • Misson GP, Anderson SJ. The spectral, spatial and contrast sensitivity of human polarization pattern perception. Sci Rep. 2017 Nov 29;7(1):16571. doi: 10.1038/s41598-017-16873-6.

MeSH Terms

Conditions

CataractMacular DegenerationPseudophakiaDiabetic RetinopathyRetinal Diseases

Condition Hierarchy (Ancestors)

Lens DiseasesEye DiseasesRetinal DegenerationSigns and SymptomsPathological Conditions, Signs and SymptomsDiabetic AngiopathiesVascular DiseasesCardiovascular DiseasesDiabetes ComplicationsDiabetes MellitusEndocrine System Diseases

Central Study Contacts

Gary P Misson, PhD FRCOphth

CONTACT

Study Design

Study Type
observational
Observational Model
CASE CONTROL
Time Perspective
CROSS SECTIONAL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Consultant ophthalmologist

Study Record Dates

First Submitted

January 28, 2019

First Posted

January 30, 2019

Study Start

November 9, 2017

Primary Completion

April 1, 2019

Study Completion

July 1, 2019

Last Updated

January 30, 2019

Record last verified: 2019-01

Data Sharing

IPD Sharing
Will not share

Locations