Light on glaucoma: adaptation time and the influence of changing light intensity on contrast sensitivity.

Light on glaucoma: adaptation time and the influence of changing light intensity on contrast sensitivity. - Light on glaucoma

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

NL-OMON

Registry ID

NL-OMON42446

Enrollment

Registered

2015-09-01

Start date

2015-09-18

Completion date

Unknown

Last updated

2024-04-23

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

Conditions

glaucoma POAG

Interventions

None listed

Eligibility

Age

18 Years to 99 Years

Inclusion criteria

Inclusion criteria: Glaucoma patients aged 40-70 years who visit the ophthalmology outpatient department of the UMCG, provide written informed consent form and meet the inclusion- exclusion criteria. ;Healthy subjects will consist of people who have signed in, without ophthalmic abnormalities and provide written informed consent.

Exclusion criteria

Exclusion criteria: Glaucoma patients: - Visual acuity below 1.0 (below 50 years of age) or below 0.8 (above 50 years). - Visual field defects not caused by glaucoma;Healthy subjects: - Visual acuity below 1.0 (below 50 years of age) or below 0.8 (above 50 years). - Visual field defects which are not understood.

Design outcomes

Primary

Measure	Time frame
Measurement of (1) the light- and dark adapation and (2) the contrast sensitivity in changing background light conditions.	—

Countries

Netherlands

Outcome results