Effect of colored filter lenses on contrast sensitivity in low vision patients.

Not Applicable

• Conditions: ow vision patients; low vision , colored filter lenses, contrast sensitivity

• Registration Number: TCTR20190507003
• Lead Sponsor: Ratchadapiseksomphot Fund

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2019-05-07
• Study Completion: 2020-04-01
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Pending (Not yet recruiting)
• Sex: All
• Target Recruitment: 30

Inclusion Criteria

Visual acuity:Best corrected visual acuity better than 20/400

Exclusion Criteria

Illiterate
Mental retardation

Study & Design

• Study Type: Observational
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
change in contrast sensitivity At that time Generalized estimating equations (GEE)

Secondary Outcome Measures

Name	Time	Method
subjective improvement At that time Fisher exact